CY8C5868LTI-LP038 >
CY8C5868LTI-LP038
Infineon Technologies
IC MCU 32BIT 256KB FLASH 68QFN
4400 Pcs New Original In Stock
ARM® Cortex®-M3 PSOC® 5 CY8C58LP Microcontroller IC 32-Bit Single-Core 67MHz 256KB (256K x 8) FLASH 68-QFN (8x8)
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CY8C5868LTI-LP038 Infineon Technologies
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CY8C5868LTI-LP038

Product Overview

6331253

DiGi Electronics Part Number

CY8C5868LTI-LP038-DG
CY8C5868LTI-LP038

Description

IC MCU 32BIT 256KB FLASH 68QFN

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4400 Pcs New Original In Stock
ARM® Cortex®-M3 PSOC® 5 CY8C58LP Microcontroller IC 32-Bit Single-Core 67MHz 256KB (256K x 8) FLASH 68-QFN (8x8)
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Minimum 1

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CY8C5868LTI-LP038 Technical Specifications

Category Embedded, Microcontrollers

Manufacturer Infineon Technologies

Packaging Tray

Series PSOC® 5 CY8C58LP

Product Status Active

DiGi-Electronics Programmable Not Verified

Core Processor ARM® Cortex®-M3

Core Size 32-Bit Single-Core

Speed 67MHz

Connectivity I2C, LINbus, SPI, UART/USART, USB

Peripherals CapSense, DMA, LCD, POR, PWM, WDT

Number of I/O 38

Program Memory Size 256KB (256K x 8)

Program Memory Type FLASH

EEPROM Size 2K x 8

RAM Size 64K x 8

Voltage - Supply (Vcc/Vdd) 1.71V ~ 5.5V

Data Converters A/D 1x20b, 2x12b; D/A 4x8b

Oscillator Type Internal

Operating Temperature -40°C ~ 85°C (TA)

Mounting Type Surface Mount

Package / Case 68-VFQFN Exposed Pad

Supplier Device Package 68-QFN (8x8)

Base Product Number CY8C5868

Datasheet & Documents

HTML Datasheet

CY8C5868LTI-LP038-DG

Environmental & Export Classification

RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN 3A991A2
HTSUS 8542.31.0001

Additional Information

Other Names
CYPCYPCY8C5868LTI-LP038
CY8C5868LTILP038
2156-CY8C5868LTI-LP038
428-3231
428-3231-DG
-CY8C5868LTI-LP038
SP005656017
448-CY8C5868LTI-LP038
2015-CY8C5868LTI-LP038
Standard Package
260

CY8C5868LTI-LP038: Versatile Programmable Microcontroller for Advanced Embedded Systems

Product overview: CY8C5868LTI-LP038 PSoC 5LP microcontroller

Engineered with the ARM Cortex-M3 core, the CY8C5868LTI-LP038 stands out as a versatile programmable system-on-chip (PSoC), forming the backbone of the PSoC 5LP CY8C58LP family by Infineon Technologies. The architecture incorporates a blend of digital and analog programmable blocks, enabling intricate application logic to be offloaded from the main CPU and reconfigured dynamically. This approach enables a single device to execute the roles of multiple discrete components, significantly reducing PCB real estate and total bill of materials.

The device's mixed-signal capabilities are enabled by a comprehensive array of analog peripherals—programmable opamps, comparators, ADCs, and DACs—integrated with flexible digital logic blocks such as PLD-based UDBs (Universal Digital Blocks). Engineers can tailor communication interfaces, analog front-ends, and signal processing pipelines without modifying hardware, supporting seamless iteration from prototype to production. The ARM Cortex-M3 core delivers ample computational throughput for complex control algorithms and sophisticated protocol stacks, while deterministic interrupt handling ensures predictable system timing, even in safety-critical applications.

Key technical differentiators include on-chip reconfigurable routing, which minimizes latency between analog and digital domains, and the built-in DMA controllers that enable high-bandwidth data movement with minimal CPU intervention. These features streamline sensor fusion, real-time control, and motor management—common in industrial automation and medical instrumentation. On the power management front, advanced sleep modes and peripheral clock gating strategies allow aggressive energy optimization without compromising task responsiveness, a practical advantage for battery-powered and always-on designs.

From real-world application, leveraging the CY8C5868LTI-LP038 shortens development cycles drastically. The device enables rapid hardware iteration via the PSoC Creator IDE, where schematic capture and peripheral mapping are resolved at design time. Debugging complex mixed-signal signal paths becomes more tractable, as engineers can reassign or modify functionality in-system without PCB respins—essential for fast-paced development or evolving requirements. This flexibility is complemented by robust documentation and widespread community support, reducing learning curves for teams transitioning from standard microcontroller architectures.

One of the more nuanced strengths of the device lies in its ability to consolidate analog signal conditioning, sensor interfaces, and supervisory logic within a unified silicon footprint. This approach not only drives miniaturization but also fortifies system reliability by eliminating inter-chip communication bottlenecks and reducing susceptibility to EMI. In practice, the CY8C5868LTI-LP038 excels in applications where customization, analog precision, and rapid productization are core requirements—enabling embedded platforms that can adapt, scale, and differentiate in competitive market segments.

Key architectural features of CY8C5868LTI-LP038

The CY8C5868LTI-LP038 achieves high integration by embedding a 32-bit ARM Cortex-M3 processor, clocked at up to 67 MHz, and forming the computational backbone for a wide range of control and signal-processing applications. The architecture incorporates a dedicated DMA controller, which enables parallel data transfer operations, substantially reducing processor load and latency for high-throughput peripherals. The inclusion of a digital filter block (DFB) enhances on-chip signal conditioning and enables real-time digital processing, a notable advantage when implementing low-latency control loops or digital communication protocols.

A distinctive characteristic of this device is its routing matrix for I/O signal management. The highly configurable routing fabric supports dynamic connection of internal analog and digital blocks to any device pin, facilitating rapid prototyping and late-stage pin reassignment without PCB redesign. This flexibility allows for the implementation of custom peripheral functions tailored to evolving hardware needs. For example, reallocating an analog input from one pin to another, or layering multiple communication interfaces for test purposes, streamlines both initial design and iterative modification phases—an essential feature in production test environments and field re-configurable systems.

Memory organization in the CY8C5868LTI-LP038 directly addresses the dual imperatives of performance and reliability. The presence of 256 KB onboard flash, with support for in-system programming and cache acceleration, accommodates complex firmware structures while ensuring consistent execution speeds. The flash subsystem is integrated with hardware security primitives, such as selective sector locking and readout protection, suitable for safeguarding proprietary code and sensitive configuration data during over-the-air updates or third-party maintenance. The 64 KB SRAM enables seamless context switching for multitasking firmware, while the 2 KB EEPROM offers robust nonvolatile storage, well-suited to parameter retention and system logging across power cycles.

The inclusion of error correction code (ECC) mechanisms in key memory blocks reflects an emphasis on operational integrity, especially critical in mission profiles with significant electromagnetic interference or in safety-focused applications. Selective ECC deployment balances performance overhead with system risk tolerance. In practice, these features support reliable deployment in industrial automation, metrology, and medical instrumentation, where predictable behavior under stress and resilience to single-event upsets are decisive.

Practical design experience with the CY8C5868LTI-LP038 demonstrates advantages in time-to-market due to the on-chip configurability. The device’s configurable blocks minimize the need for external analog or digital glue logic, simplifying board layout and reducing BOM costs. Debugging is likewise accelerated by the granular control over resource mapping—debug signals or test buses can be dynamically assigned without hardware changes, facilitating in-circuit troubleshooting. It is evident that the device’s architecture anticipates and resolves typical integration and debug bottlenecks, notably in systems requiring both analog precision and digital flexibility.

An insightful consideration lies in the device’s potential for lifecycle extension. Its routing matrix and memory security primitives render the platform adaptable to hardware revisions and evolving threat models without costly hardware redesigns—an increasingly valuable feature in complex product ecosystems. The CY8C5868LTI-LP038 thus exemplifies a microcontroller family architecture capable of addressing both immediate engineering requirements and long-term system maintainability.

Analog subsystem capabilities of CY8C5868LTI-LP038

The analog subsystem of the CY8C5868LTI-LP038 stands out for its versatility and architectural integration in systems demanding sophisticated sensor interfacing and real-time mixed-signal data processing. Its backbone is a precision 20-bit delta-sigma ADC, featuring intrinsic linearity with integral nonlinearity under ±2 LSB and differential nonlinearity better than ±1 LSB, yielding a SINAD exceeding 84 dB in 16-bit mode. Offset errors below 100 μV amplify its suitability for applications requiring low-drift, high-resolution measurements, such as strain gauge interfacing or precision thermocouple front-ends. The fast settling and robust noise immunity ensure reliable operation even with low-level sensor signals superimposed on noisy backplanes.

Complementing the delta-sigma converter, the pair of 12-bit SAR ADCs reach up to 1 Msps sampling rates with SNR values above 70 dB, accommodating rapid multi-channel acquisition where high throughput and moderate accuracy are necessary, as in motor control feedback loops or multiplexed environmental monitoring. This mixed ADC topology permits flexible tradeoffs between resolution, speed, and power. Practical deployments benefit from simultaneous measurement of slow-changing precision signals via the delta-sigma path, while allocating the SAR converters for fast event capture or auxiliary channels without design compromises.

Output-side flexibility is realized through four 8-bit DACs, operating at rates up to 8 Msps, capable of both voltage and current outputs. Their integration with PWM and delta-sigma digital paths simplifies waveform generation, bias control, or analog actuator driving. For instance, the DACs enable seamless synthesis of test signals for self-diagnostics, or real-time analog control loops in mixed-signal motor inverters. The digital and analog domains interact tightly, minimizing latency and external component dependency.

The subsystem's four comparators and four versatile opamps serve as highly configurable analog building blocks. The opamps support modes ranging from programmable gain amplifiers to active filters, transimpedance amplifiers for photodiodes, mixers, or buffer stages. The comparators—capable of fast response and user-defined hysteresis—support zero-crossing detection, overcurrent protection circuits, or window comparators for level detection in safety-critical designs. The seamless, low-leakage on-chip analog routing fabric allows dynamic reconfiguration of analog paths, supporting application-specific signal chains without board-level rework.

CapSense® technology deeply integrates capacitive sensing capabilities, extending the device’s utility into HMI domains. This feature supports the creation of robust capacitive touch or proximity interfaces, benefiting from well-characterized signal conditioning and on-chip compensation algorithms. Integration eliminates the need for discrete touch controllers, shrinking both BOM and design cycle.

Central to the subsystem is a tightly specified 1.024V ±0.1% voltage reference, ensuring consistent performance across variable supply or temperature conditions. The stability and accuracy of this reference directly translate to improved absolute measurement certainty and calibration simplicity. Designs leveraging high-precision sensors or requiring long-term drift minimization—such as battery-powered IoT endpoints or industrial dataloggers—benefit from these class-leading reference characteristics.

From direct experience with high-channel-count sensor aggregation, the device’s analog routing and programmability notably reduce PCB complexity and design iteration. Analog crosspoint switches and flexible pin mapping enable high reuse and late-stage circuit update potential. Ultimately, the CY8C5868LTI-LP038’s analog subsystem consolidates essential measurement, signal conditioning, and control analog resources, yielding a dense, scalable platform for engineers facing rapidly evolving analog front-end requirements in industrial, IoT, or instrumentation applications. The balance of analog performance, flexibility, and integration not only accelerates prototyping but also streamlines transition to cost-efficient, robust volume manufacturing.

Digital subsystem and peripherals in CY8C5868LTI-LP038

The digital subsystem architecture within the CY8C5868LTI-LP038 is anchored by an array of 24 Universal Digital Blocks (UDBs). These programmable modules are engineered for high flexibility, forming the backbone for implementing diverse digital interfaces, protocols, and custom logic. UDBs employ a configurable datapath and programmable interconnects, supporting hardware-level instantiation of functions such as UART, SPI, I²C, timer/counter/PWM, PRS, and CRC generation. The granular bit-width configurability—ranging from 8 to 32 bits—enables time-critical operations and deterministic control loops, particularly in embedded motor control, industrial automation, and real-time sensor management systems.

Each UDB orchestrates control, timing, or communication subtasks with minimal CPU intervention, a result of tight hardware integration. In practice, this approach streamlines protocol bridging, custom bus implementations, or event-driven signal processing by offloading low-level logic steps from firmware into precisely mapped hardware circuits. Additionally, advanced timing engines constructed from cascaded timers and counters underpin pulse-width modulation schemes, multi-channel capture/compare, and synchronized multi-phase outputs, essential for precision actuation and instrumentation.

System connectivity is ensured via native support for multiple serial communication standards—namely I²C, SPI, UART/USART, LIN, and I²S. These interfaces are natively bonded to the digital fabric, enabling deterministic, low-latency data exchange with external devices, memory, or synchronous peripherals. On-chip USB 2.0 Full-Speed integration, coupled with dedicated USBIO pins, simplifies direct connection to PCs or other hosts, whether for device programming, firmware upgrades, or high-bandwidth data streaming. Industrial field bus applications benefit from integrated CAN 2.0b with robust buffering (16 receive, 8 transmit), supporting demanding multi-node topologies, message prioritization, and fail-safe communications with external actuators and controllers.

Signal processing is augmented by the Digital Filter Block (DFB), tailored for fixed-point FIR and IIR filtering up to 64 taps. The DFB operates in parallel with the CPU, harnessing hardware execution to realize real-time digital filtering pipelines, noise reduction, or sensor fusion calculations. In a typical sensor front-end scenario, the DFB quickly filters ADC streams before onward transmission, isolating the microcontroller core from computational bottlenecks and reducing application-level latency.

Driving these subsystems is a 24-channel DMA controller, which orchestrates autonomous, high-throughput data moves between memory, UDBs, digital interfaces, or the DFB without intervention from firmware. This mechanism is pivotal in applications requiring continuous data acquisition, such as multi-channel sensor aggregation or protocol bridging, ensuring deterministic timing of data streams while maximizing CPU cycle availability for higher-level control logic.

Effective system design with the CY8C5868LTI-LP038 leverages these hardware accelerators cohesively—combining programmable UDB pathways, DMA triggers, DFB processing, and multi-protocol interfacing. In field deployments, smooth interfacing between mixed-signal domains is achieved by tailoring UDB configurations to bridge custom sensor busses with standard communication links, such as simultaneously orchestrating sensor sampling with synchronized I²C transmission. This holistic approach shortens iteration cycles, increases determinism in real-time tasks, and insulates application code from low-level protocol maintenance.

The underlying architecture anticipates applications where customization, rapid reconfiguration, and hardware-managed concurrency are priorities. Centralizing digital logic generation in reprogrammable UDBs, supported by robust data movement and signal processing capacity, reduces overall design complexity, decreases response latency, and elevates system reliability, particularly within the constraints of cost-sensitive, high-performance embedded platforms.

Versatile I/O, power management, and operating modes of CY8C5868LTI-LP038

The CY8C5868LTI-LP038 exemplifies an advanced, multi-domain microcontroller engineered for demanding, mixed-signal embedded systems. At the heart of its hardware architecture lies a configurable I/O subsystem, supporting up to 62 general-purpose pins. Each I/O can be independently assigned to analog input/output, digital logic, LCD segment drive, or CapSense interfaces, facilitating dense integration without board-level multiplexers or glue logic. The analog configuration grants designers control over input thresholds and output drive levels, optimizing noise immunity and power consumption profiles for sensors, mixed-voltage communication, or signal conditioning.

A distinctive asset is the presence of eight specialized SIO (Special Function I/O) pins. These SIOs feature programmable drive strengths, individually selectable output voltages, high-impedance input modes, and built-in overvoltage/hot-swap resilience. This hardware abstraction layer streamlines interfacing with peripherals powered from disparate rails, supporting on-the-fly bus sharing or live insertion scenarios, crucial in automotive body controllers or instrumentation clusters where robustness against transient voltage events is essential. The flexibility to reassign I/O during runtime or via firmware initialization further supports rapid platform bring-up and late-stage hardware modifications.

Power management functions in the CY8C5868LTI-LP038 are multi-layered, handling input voltages from 1.71 V up to 5.5 V and intelligently partitioning supply across as many as six isolated domains. This architecture enables fine-grained control over subsystem wake-up, dynamic voltage scaling, and peripheral power gating without sacrificing state integrity in critical blocks. Active mode delivers the full performance envelope for compute and real-time control tasks, whereas Sleep (2 μA typical) and Hibernate (300 nA) modes preserve functional state—such as RAM and calendar time—via ultra-low-leakage SRAM banks and a dedicated real-time clock. Utilizing the optional 32.768 kHz crystal allows precision timing with minimal energy overhead, suitable for deep-sleep applications such as energy metering endpoints or portable data loggers.

Integrating a boost regulator circuit, the device extends functional reliability under minimum input voltages down to 0.5 V, a notable feature when battery voltage sags during discharge or cold start. This onboard conversion supports continued functionality of essential domains and auxiliary loads, notably sustained LCD display operation or sensor polling after primary voltage thresholds are crossed. Eliminating discrete voltage boost stages simplifies PCB layouts and streamlines power integrity validation, particularly in size-constrained portable instruments.

In real-world system design, leveraging the programmable I/O and SIO architecture streamlines both prototyping and mass production. For instance, configuring SIOs with hot-swap tolerance expedites board debug—allowing live insertion and removal of test points without risk of digital latch-up or logic corruption. During field operation, deploying sleep and hibernate power modes enables years-long runtimes on coin cell sources, positioning the CY8C5868LTI-LP038 as an optimal choice for IoT sensor nodes or medical wearables where maintenance cycles must be minimized.

The device’s architectural philosophy prioritizes adaptability and resilience, embedding configurability at both the I/O and power domain levels. This approach not only accommodates evolving application stacks but also futureproofs platforms against changing voltage environments, unexpected board revisions, and mixed-signal performance requirements, distinguishing this microcontroller in complex embedded environments.

Programming, debugging, and development support for CY8C5868LTI-LP038

Programming and debugging for the CY8C5868LTI-LP038 leverage robust, multi-layered support interfaces critical to embedded systems workflows. The MCU integrates JTAG (4-wire), SWD (2-wire), SWV, and TracePort (5-wire), which collectively maximize compatibility across both legacy and modern development infrastructures. The technical arrangement of these interfaces directly benefits iterative design and test cycles. JTAG and SWD ensure seamless connections with popular hardware debuggers, while SWV and TracePort expand real-time visibility, providing data streaming and live event monitoring essential during timing analysis and logic verification.

Deep inside the CY8C5868LTI-LP038’s debug architecture, ARM-standard modules—such as Flash Patch and Breakpoint (FPB), Data Watchpoint and Trace (DWT), Embedded Trace Macrocell (ETM), and Instrumentation Trace Macrocell (ITM)—permit granular examination of application behavior. FPB simplifies dynamic code patching and breakpoint insertion, vital during late-stage development when modifying flashed firmware. DWT advances run-time debugging by capturing variable access and performance indicators, allowing rapid root cause identification for race conditions or resource bottlenecks. ETM enables lossless instruction trace for post-mortem analysis, beneficial in cases where non-intrusive observation of program flow is required and timing constraints preclude traditional logging. ITM brings formatted trace messaging for diagnostic annotation, supporting efficient real-time troubleshooting when system interactivity is high.

Development workflow is accelerated by the PSoC Creator IDE, which tightly integrates hardware and firmware co-design principles. Within the IDE, schematic-based drag-and-drop configuration of over 100 on-chip IP blocks provides a visual context for digital and analog circuit construction, aligning hardware abstraction with embedded code logic. Real-time configuration tools and automated code generation minimize integration errors and promote rapid functional iteration. Compiler support extends to both GCC and Keil/ARM MDK chains, granting flexibility for varying project requirements or legacy code maintenance. The IDE’s device selection tool expedites migration between PSoC family members, a frequent necessity during design scaling or feature expansion. Documentation, tightly woven into the toolchain, reduces onboarding friction and curtails ambiguity when extending system features.

Practical application exposes several key patterns: Debugging deeply embedded firmware benefits from combining breakpoint-centric sessions (via FPB) with high-frequency trace logging (via ETM), uniting instruction-level insight with context-driven anomaly analysis. In tightly-coupled analog/digital design scenarios, schematic capture in PSoC Creator shortens iteration loops, as hardware adjustments cascade directly to corresponding software elements without manual synchronization overhead. Cross-toolchain compatibility proves invaluable when porting production code to new compiler environments or integrating specialty libraries, with few friction points observed in practice.

A core insight from extended field deployment is the tangible impact of unified debug and development ecosystems. The layered architecture, blending hardware trace facilities with advanced software integration, effectively compresses time-to-fix for complex system bugs and enhances overall design agility. These synergistic mechanisms position the CY8C5868LTI-LP038 as a high-leverage solution for rapid prototyping and resilient production deployment, driven by the consistency and depth of its engineering tool support.

Packaging and environmental compliance of CY8C5868LTI-LP038

CY8C5868LTI-LP038 leverages a robust 68-pin QFN package architecture, measuring 8×8 mm with an integrated exposed pad. This configuration addresses multiple layers of electronic design requirements, prioritizing both space optimization and effective thermal dissipation. The exposed pad not only enhances heat extraction efficiency but also reduces overall package inductance, facilitating stable operation in environments where electromagnetic compatibility (EMC) performance is critical. Such dimensions and thermal enhancements provide a tangible advantage in densely populated boards, especially where real estate savings and power density directly affect system-level reliability.

Material selection and assembly processes are tightly coupled with internationally recognized environmental directives. The device aligns with RoHS3 norms, strictly limiting hazardous substance content, and achieves full REACH compliance, affirming its suitability for regions with stringent chemical registration and restriction requirements. The QFN package’s construction ensures compatibility with lead-free soldering techniques, minimizing process requalification efforts—an aspect often overlooked during rapid product iteration cycles. Moisture Sensitivity Level (MSL) 3, defined at 168 hours, strikes a practical balance for medium-throughput SMT assembly: it allows reasonable storage and handling times while mitigating the risk of popcorning during reflow, streamlining logistics for contract manufacturing scenarios.

Robustness extends beyond materials and compliance. The specified -40°C to +85°C operating range substantiates its deployment in harsh industrial and medical environments. Experience demonstrates that QFN’s symmetrical footprint minimizes package warpage, supporting consistent solder joint integrity even under cyclic thermal stress. Board-level reliability, in turn, directly enhances product lifecycle predictability—a critical metric when designing medical instrumentation or remote sensing modules where in-field access is limited.

Implementation strategies for the CY8C5868LTI-LP038 often exploit its compact form factor to enable dense multi-layer PCB layouts with aggressive component placement. The central exposed pad is typically connected to extensive ground pours, maximizing heat spreading and further lowering system noise floors. In accelerated production runs, the package’s pick-and-place characteristics and coplanarity minimize placement errors, reducing operator intervention and boosting first-pass yields.

Beyond regulatory alignment, the interplay of mechanical packaging and electrical performance underscores a broader engineering philosophy: component selection should anticipate both immediate integration requirements and long-term environmental stewardship. In the context of evolving compliance regimes, the ability of the CY8C5868LTI-LP038 to maintain its unaffected REACH status, even as directives tighten, illustrates a forward-compatible supply chain mentality—essential for global product releases and sustained market access.

Potential equivalent/replacement models for CY8C5868LTI-LP038

Selecting functionally viable and supply-resilient replacements for the CY8C5868LTI-LP038 demands a systematic review of devices within Infineon's PSoC 5LP CY8C58LP portfolio. The microcontroller family offers a modular range of options tailored to varying embedded system demands, leveraging flexible mixed-signal architectures and programmable analog and digital resources.

At the architectural level, device selection hinges on matching core processing capabilities, peripheral mix, and system-level integration features. The CY8C5888AXI-LP096, notable for its expanded I/O count and TQFP form factor, offers a robust migration path when pin availability drives the design. Its larger footprint supports applications requiring dense external connectivity or multi-signal interfacing, such as industrial control nodes or data acquisition modules. In contrast, the CY8C5848LTI-LP079 presents a leaner configuration with altered flash, SRAM, and peripheral allocations, aimed at designs where board space and power constraints are prioritized, without forfeiting access to PSoC-favored touch, analog, or digital integration.

To ensure functional equivalence, comparative analysis must extend beyond headline parameters. Critical focus areas include ADC/DAC performance characteristics—resolution, sample rates, and channel granularity directly influence signal fidelity and throughput in sensor interface or control applications. Programmable logic blocks and universal digital blocks require cross-examination if the target design leverages custom protocols or timing-sensitive operations. Furthermore, assessing UART, SPI, I2C, USB, and CAN interface presence and resource conflicts is essential for maintaining interoperability within existing communication architectures.

Package style and thermal characteristics often introduce unanticipated migration friction. Observed in practice, even subtle shifts in pinout or thermal profile can cascade into signal integrity adjustments, PCB layer rework, or enclosure redesign. Early-stage schematic simulation and mechanical fit verification help preempt re-spin cycles and field deployment risks. Additionally, review of errata, availability of pre-certified software libraries, and in-circuit debug toolchain compatibility curtail unexpected project overheads during device substitution.

It is advisable to seek not only pin compatibility but also functional headroom for anticipated future revisions. This forward-leaning approach positions a system for longer lifecycle viability, balancing cost optimization against engineering flexibility. Unique application constraints occasionally surface only under in-system test conditions; thus, pilot deployment with a subset of the alternative silicon helps reveal nuanced behavioral differences, particularly around analog signal chain noise, startup timing, or brownout immunity.

In aggregate, migrating from the CY8C5868LTI-LP038 to adjacent models within the PSoC 5LP CY8C58LP family benefits from a holistic, criteria-driven evaluation. Simultaneous consideration of feature deltas, physical and electrical compatibility, production toolchain support, and system-level impact fosters smoother transitions with reduced design-in risk and more robust sourcing options.

Conclusion

Selecting the CY8C5868LTI-LP038 introduces a scalable, mixed-signal platform that directly addresses the complexity inherent in modern embedded system design. At its core, this device integrates programmable analog and digital peripherals on a single chip, minimizing discrete component count and simplifying PCB layouts. Such a high level of integration reduces signal integrity risks and streamlines both hardware BOM and design validation processes. The flexible I/O architecture, supporting numerous protocols and dynamic pin configurations, facilitates swift adaptation to evolving interface requirements without extensive board redesigns.

Delving deeper into the architecture, the on-chip analog blocks—such as programmable amplifiers, ADCs, DACs, and comparators—enable precise, real-time signal processing with tight coupling to digital logic resources. This approach supports the realization of sophisticated functions like sensor fusion, real-time motor control loops, or power monitoring directly within the device; these applications benefit from reduced latency and deterministic behavior, outcomes often difficult to achieve with discrete implementations. The efficient CPU core, paired with abundant program/data memory, underpins demanding tasks such as DSP algorithms, protocol stacks, or responsive UI controls, while maintaining low power operation through granular clock gating and power domain management. The internal interconnects promote seamless routing between functional blocks, which, in practice, substantially lowers firmware complexity when orchestrating mixed-signal operations.

Software toolchain maturity and broad ecosystem coverage further accelerate prototyping and time-to-production, with development environments supporting auto-generated peripheral drivers and graphical configuration wizards. From initial system bring-up to iterative firmware optimization, extensive documentation and example libraries consistently mitigate integration risks and nurture design confidence. In scenarios involving regulatory compliance or mass customization, in-system programmability and test support markedly improve product lifetime flexibility and manufacturing yields.

Experience confirms that deploying the CY8C5868LTI-LP038 yields measurable advantages in project deliverable lead time and cost profile, particularly when targeting products that must evolve rapidly to address shifting market specifications or multifunction integration. Notably, leveraging the device’s configurable analog and digital fabric enables the implementation of custom signal interface logic or hardware state machines, side-stepping delays associated with external ASIC development or board revisions.

From a systems engineering perspective, the CY8C5868LTI-LP038 is more than just a highly integrated MCU; it is a practical convergence point for analog, digital, and firmware intersect—offering a risk-mitigated path to scalable, high-performance, and application-adaptive embedded solutions. This convergence is indispensable for contemporary electronic products whose value is increasingly defined by features, adaptability, and accelerated development cycles.

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Catalog

1. Product overview: CY8C5868LTI-LP038 PSoC 5LP microcontroller2. Key architectural features of CY8C5868LTI-LP0383. Analog subsystem capabilities of CY8C5868LTI-LP0384. Digital subsystem and peripherals in CY8C5868LTI-LP0385. Versatile I/O, power management, and operating modes of CY8C5868LTI-LP0386. Programming, debugging, and development support for CY8C5868LTI-LP0387. Packaging and environmental compliance of CY8C5868LTI-LP0388. Potential equivalent/replacement models for CY8C5868LTI-LP0389. Conclusion

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Frequently Asked Questions (FAQ)

What are the main features of the Infineon CY8C5868LTI-LP038 microcontroller?

The CY8C5868LTI-LP038 is a 32-bit ARM Cortex-M3 microcontroller with 256KB flash memory, multiple connectivity options like I2C, SPI, UART, USB, and various peripherals such as CapSense, LCD, and PWM, making it suitable for complex embedded applications.

Is the CY8C5868LTI-LP038 compatible with common embedded development tools?

Yes, this microcontroller is widely supported by standard development environments that support ARM Cortex-M3 processors, enabling efficient programming and debugging for embedded projects.

What are the typical applications for the CY8C5868LTI-LP038 microcontroller?

It is ideal for applications requiring high performance with extensive connectivity, such as IoT devices, consumer electronics, industrial automation, and sensor interfaces due to its versatile peripherals and high-speed capabilities.

What are the power supply requirements and operating temperature range for this microcontroller?

The microcontroller operates with a supply voltage between 1.71V and 5.5V and can function in a temperature range from -40°C to 85°C, suitable for various industrial and consumer environments.

Does the CY8C5868LTI-LP038 come with technical support and warranty services?

As a new, original component in stock, it typically comes with manufacturer warranties and support. For detailed after-sales assistance, please contact your supplier or authorized distributor.

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