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CY8C5567LTI-079 - 67MHz Cortex-M3 PSoC 5 | Infineon
CY8C5567LTI-079

CY8C5567LTI-079 - 67MHz Cortex-M3 PSoC 5 | Infineon

The Infineon Technologies CY8C5567LTI-079 is a 32-bit ARM Cortex-M3 PSoC 5 CY8C55 programmable system-on-chip microcontroller operating at 67 MHz, with 128 KB of flash memory and a 68-QFN surface-mount package measuring 8 mm by 8 mm. The device combines a microcontroller core, programmable digital and analog resources, and embedded memory within one mixed-signal system-on-chip. A PSoC, or programmable system-on-chip, is an MCU architecture that integrates a processor with configurable digital blocks, analog blocks, and peripherals. It belongs to the microcontroller and embedded semiconductor hierarchy, while extending a conventional microcontroller with programmable mixed-signal functionality. This integration allows product designs to adapt digital control logic and analog signal paths without relying on a large collection of discrete components. The CY8C5567LTI-079 provides a 67 MHz Cortex-M3 core, 128 KB flash organized as 128K by 8 bits, and 32-bit architecture. The listed operating-voltage options are 2.5 V, 3.3 V, and 5 V. Its 68-QFN package supports compact surface-mount assembly, while the PSoC 5 family provides programmable resources suited to embedded control, signal acquisition, and mixed-signal interface tasks. The 128 KB on-chip flash provides nonvolatile program storage for firmware, configuration data, and lookup tables. The 67 MHz processing rate supports responsive control loops and event-driven embedded software. The programmable architecture distinguishes this device from a fixed-function microcontroller by allowing suitable digital logic, analog functions, and interface behavior to be configured for the target application. Typical uses include industrial control panels, sensor acquisition systems, communications equipment, consumer interfaces, and compact embedded products. A design can place sensing, control, and communication functions around the same PSoC device, reducing board area and the number of separately managed functional blocks. Firmware and peripheral configuration should still be validated against the exact device variant and its operating limits. When laying out a board, treat the 68-QFN package as a dense surface-mount footprint and follow the manufacturer land-pattern and pin-assignment tables. Confirm supply-voltage compatibility, decoupling requirements, programming connections, exposed-pad treatment, and the intended temperature grade before release to production. The device's compact package does not eliminate the need for careful high-speed return paths and thermal planning. This page consolidates the core PSoC 5 specifications, sourcing guidance, pin-availability considerations, and practical design notes into one engineering reference. It also distinguishes verified drop-in candidates from broader functional equivalents so that PCB and firmware decisions are based on package and device-level compatibility rather than name similarity alone.

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CY8C5568AXI-060 - 67MHz Cortex-M3 PSoC 5 | Infineon
CY8C5568AXI-060

CY8C5568AXI-060 - 67MHz Cortex-M3 PSoC 5 | Infineon

The Infineon CY8C5568AXI-060 is a 32-bit ARM Cortex-M3 PSoC 5 microcontroller rated for operation up to 67 MHz, with 256 KB of embedded flash memory and a 100-lead TQFP package measuring 14 x 14 mm. The device combines a conventional microcontroller core with programmable digital blocks, analog resources, and dedicated peripherals, making it suitable for compact embedded-control systems that need more configurability than a fixed-function MCU. A programmable system-on-chip, or PSoC, is a microcontroller platform that integrates processing, memory, programmable logic, analog conversion, and specialized peripherals into one device. The PSoC architecture places these resources into a broader embedded semiconductor hierarchy: PSoC 5, ARM Cortex-M3, 32-bit microcontroller, embedded controller, and system-on-chip. This integration allows designers to adapt signal acquisition, control logic, and communication behavior without moving to a larger discrete component count. Key features include a 67 MHz maximum Cortex-M3 operating frequency, 32-bit processing capability, and 256 KB of flash memory for firmware. The listing also identifies 64 KB of SRAM. Flexible operating-voltage support covering 1.8 V, 3.3 V, and 5 V operation expands compatibility with industrial, consumer, and embedded equipment. A 100-lead TQFP package provides a conventional surface-mount format with accessible leads for inspection, rework, and prototype assembly. The Cortex-M3 core includes dedicated debugging and trace resources, including Flash Patch and Breakpoint, Data Watchpoint and Trace, and Instrumentation Trace Macrocell functions. These features support breakpoint-based debugging and serial data tracing during firmware development. The programmable architecture can consolidate functions such as digital control, analog signal conditioning, and communications into one microcontroller-based design. Typical applications include industrial control modules, sensor acquisition systems, building automation equipment, consumer interfaces, and compact embedded products. The PSoC 5 platform is particularly useful when a design requires both deterministic microcontroller control and configurable analog or digital peripheral functions. The 256 KB flash capacity also provides room for application firmware, boot code, configuration data, and update handling. When laying out a board, follow the manufacturer pin-description table for every signal, including programming, reset, clock, ground, power, and peripheral assignments. Keep sensitive analog and communication routes away from switching nodes and high-current return paths, and provide the decoupling network specified by the device datasheet. This product reference combines the core device identity, package information, embedded-memory details, search-intent guidance, and practical implementation considerations in one engineering-focused reference. It also distinguishes verified device facts from parameters that must be confirmed in the manufacturer datasheet before PCB release.

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CY8C5568LTI-114 - 67MHz 256KB Flash PSoC 5 MCU | Infineon
CY8C5568LTI-114

CY8C5568LTI-114 - 67MHz 256KB Flash PSoC 5 MCU | Infineon

Infineon Technologies CY8C5568LTI-114 is a 32-bit ARM Cortex-M3 programmable system-on-chip microcontroller operating up to 67 MHz. It integrates 256KB of flash memory, programmable peripheral resources, and mixed-signal system functions in a 68-pin QFN package measuring 8 mm by 8 mm. The device is designed for embedded systems that require deterministic control, flexible analog and digital peripherals, and a compact package footprint. A programmable system-on-chip, or PSoC, combines a microcontroller core with programmable analog and digital blocks on one integrated circuit. This device belongs to the PSoC 5 family and provides ARM Cortex-M3 processing with 256KB of embedded flash. The architecture allows engineers to configure peripheral functions for sensing, control, communications, and signal conditioning while reducing the number of discrete components required in a design. The CY8C5568LTI-114 supports operation from DC to 67 MHz and is specified as a single-core 32-bit microcontroller. Its 68-QFN package includes an exposed pad according to the product description, providing a thermal and electrical connection from the device to the PCB. The package is intended for surface-mount assembly and uses an 8 mm by 8 mm land pattern. The integrated programmable architecture is useful where analog sensing, digital control, and communication functions must share one microcontroller platform. The PSoC 5 architecture is designed for embedded control systems that need both deterministic digital processing and configurable peripheral behavior. A 256KB flash memory capacity supports application firmware, configuration data, and control routines in a single package. The ARM Cortex-M3 core provides a familiar 32-bit instruction set, while the PSoC programmable blocks can consolidate functions such as timers, serial interfaces, analog conversions, and digital signal processing. Exact peripheral assignments depend on the device configuration and firmware. Typical applications include industrial sensing and factory automation, building control systems, medical monitoring equipment, consumer energy-management products, communications equipment, and compact embedded control modules. In each case, the device can combine application firmware with configurable peripheral resources rather than relying on a large collection of dedicated support chips. The 67 MHz operating capability provides useful performance margin for control loops, protocol handling, and supervisory logic. When designing a PCB around the CY8C5568LTI-114, follow the manufacturer package drawing and land-pattern guidance, including the exposed-pad connection and thermal via arrangement. Keep sensitive analog routes away from high-current switching paths, provide the required bypass capacitors close to the power pins, and confirm the selected voltage conditions against the complete device datasheet. The exposed pad should be connected according to the recommended land pattern rather than treated as an optional mechanical feature. This product page combines the manufacturer part identity, package information, technical specifications, application guidance, and comparison considerations into a practical design reference. Review the exact pin assignment, electrical limits, programming procedure, and exposed-pad requirements in the manufacturer documentation before finalizing a production design.

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CY8C5688AXI-LP099 - PSoC 5LP 80MHz Cortex-M3 MCU 256KB Flash | Infineon
CY8C5688AXI-LP099

CY8C5688AXI-LP099 - PSoC 5LP 80MHz Cortex-M3 MCU 256KB Flash | Infineon

The Infineon CY8C5688AXI-LP099 is a PSoC (Programmable System-on-Chip) 5LP family microcontroller built around a 32-bit ARM Cortex-M3 core running at 80 MHz, integrating 256 KB of Flash and 64 KB of SRAM in a 100-pin TQFP (14x14 mm) package. It features a configurable analog and digital fabric, two 12-bit SAR ADCs, four 8-bit DACs, and CapSense touch-sensing hardware, all on a 1.71 V to 5.5 V supply with industrial -40C to +85C operation. A PSoC 5LP device is a mixed-signal programmable SoC that combines a Cortex-M3 CPU, programmable universal digital blocks (UDBs), programmable analog blocks (SC/CT blocks), and fixed-function peripherals on a single die. Within the broader hierarchy it belongs to microcontrollers (MCU) -> 32-bit MCU -> ARM Cortex-M MCU -> programmable SoC -> embedded processing. The architecture lets designers replace discrete op-amps, comparators, ADCs, DACs and timing glue logic with on-chip configurable blocks, shortening BOM count and PCB area. Key features of the CY8C5688AXI-LP099 include 24 UDBs for custom digital logic, four op-amps with PGA modes, four DACs, two SAR ADCs at up to 1 Msps, four TCPWM blocks, USB full-speed, CAN, I2C, SPI, UART, and an integrated CapSense touch engine. The wide 1.71 V to 5.5 V supply simplifies direct connection to a single Li-ion cell, 3.3 V logic rails, or 5 V industrial buses without external level shifters. The Cortex-M3 core with single-cycle multiply and a DMA controller delivers deterministic interrupt response and sustained DSP throughput at 80 MHz, while the UDB array accelerates state machines, custom peripherals and glue logic in hardware, off-loading the CPU. The on-chip regulator and low-power modes (Sleep, Deep Sleep, Hibernate) enable battery-friendly designs. Typical applications include industrial HMI panels with CapSense, motor control front-ends, USB/CAN sensor hubs, programmable sensor conditioning, medical portable instruments, and home appliances. Designers choose the CY8C5688AXI-LP099 when they want analog configurability that a stock Cortex-M MCU does not provide. When designing, populate the unused analog block pins to defined states to avoid leakage, and provide a 1 uF + 100 nF decoupling pair adjacent to each VDD/VBAT pin to keep the internal regulator stable. Place the 32.768 kHz watch crystal as close as practical to the XTAL pins and route its traces over a continuous ground pour to limit radiated emissions. This page synthesizes distributor pricing, drop-in 100-pin TQFP alternatives from the same PSoC 5LP family, and practical bring-up notes not collected in a single manufacturer datasheet, supporting faster sourcing and design-in decisions for industrial and consumer embedded projects.

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CY8C5868AXI-LP035 - PSoC 5LP ARM Cortex-M3 MCU 256KB Flash | Infineon
CY8C5868AXI-LP035

CY8C5868AXI-LP035 - PSoC 5LP ARM Cortex-M3 MCU 256KB Flash | Infineon

The Infineon CY8C5868AXI-LP035 is a PSoC 5LP programmable system-on-chip microcontroller built around an ARM Cortex-M3 core running at 67 MHz, integrating 256 KB of Flash, 64 KB of SRAM, and configurable analog and digital peripherals in a 100-pin TQFP (14x14 mm) package. It belongs to the CY8C58LP family of high-performance, low-power PSoC devices operating from 1.71 V to 5.5 V across the -40 °C to +85 °C industrial temperature range. A PSoC (Programmable System-on-Chip) is a mixed-signal MCU that combines an ARM core with Universal Digital Blocks (UDBs), programmable analog blocks such as op-amps, ADCs, DACs, and CapSense touch controllers, plus standard communication interfaces (USB, CAN, I2C, SPI, UART). PSoC 5LP sits within the broader hierarchy: ARM Cortex-M microcontroller -> PSoC family -> programmable SoC -> embedded MCU -> semiconductor. This integration lets one PSoC replace multiple discrete analog ICs, timers, and glue logic on a board. Key differentiating features of the CY8C5868AXI-LP035 include 256 KB Flash and 64 KB SRAM (versus 64-128 KB on lower-tier PSoC 5LP devices), three SAR ADCs (12-bit, 1 Msps) supporting up to 32 analog inputs via input mux, four 8-bit DACs, four op-amps, four analog comparator blocks, four current DACs, and CapSense touch sensing with hardware autotune. The device offers 24 UDBs (versus 16-20 on smaller PSoC 5LP parts), enabling implementation of custom peripherals, timers, and state machines. Communication interfaces include Full-Speed USB 2.0, I2C, SPI, CAN, and four 16-bit timer/counter/PWM blocks. Architecturally, the CY8C5868AXI-LP035 uses a Harvard-bus Cortex-M3 with a hardware multiply-accumulate unit, a 32-channel DMA controller, and an interrupt controller with up to 32 NVIC sources. Programmable routing fabric (analog and digital) connects UDBs, analog blocks, and I/O pins with full crossbar flexibility, making the device a true mixed-signal platform. The part is supplied by Infineon (formerly Cypress Semiconductor) under the PSoC 5LP family, with the -LP035 suffix indicating 256 KB Flash, 64 KB SRAM, three ADC modules, and the industrial temperature grade. Typical applications include industrial motor control, USB peripherals, HMI with CapSense touch buttons and sliders, programmable logic replacements, sensor conditioning front-ends, and low-power IoT edge nodes. Three SAR ADCs make it well suited to multi-sensor data acquisition. USB Full-Speed makes it ideal for HID peripherals and CDC bridges. Hardware CapSense simplifies touch-HMI designs without external touch ICs. Designers should note the wide 1.71-5.5 V supply range simplifies designs powered directly from a single-cell Li-ion or 3.3 V/5 V rails without an additional LDO. The exposed thermal pad of the TQFP-100 must be soldered to a copper pour for thermal dissipation, and decoupling capacitors of 0.1 µF + 1 µF + 10 µF should be placed within 3 mm of each power pin. Programming is via SWD or JTAG using PSoC Creator 4.x or ModusToolbox IDE. This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design considerations not found in the manufacturer datasheet alone.

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CY8C5868LTI-LP039 - PSoC 5LP 67MHz Cortex-M3 MCU 256KB | Infineon
CY8C5868LTI-LP039

CY8C5868LTI-LP039 - PSoC 5LP 67MHz Cortex-M3 MCU 256KB | Infineon

The Infineon CY8C5868LTI-LP039 is a PSoC 5LP programmable system-on-chip integrating a 32-bit ARM Cortex-M3 core running up to 67 MHz with 256 KB of Flash and 68 programmable GPIO, housed in a 68-pin QFN (8x8 mm) package. It combines configurable analog and digital peripherals, 3 SAR ADCs, CapSense touch sensing, USB Full-Speed, CAN 2.0, and an integrated digital filter block (DFB) on a single die, delivering an industry-leading wide 1.71 V to 5.5 V operating voltage range. A microcontroller (MCU) is an integrated circuit that combines a CPU core, memory (Flash/SRAM), and programmable peripherals on a single chip. PSoC (Programmable System-on-Chip) extends this concept by adding universal analog and digital blocks routable to any pin, blurring the line between MCU and FPGA-like analog/digital configurability. In the broader taxonomy, the CY8C5868LTI-LP039 is an ARM Cortex-M3 based MCU -> 32-bit microcontroller -> system-on-chip -> programmable mixed-signal IC -> semiconductor, sitting between a fixed-function MCU and an FPGA/CPLD. Key features include 32-bit ARM Cortex-M3 core with single-cycle multiply and hardware divide, 67 MHz operation, 256 KB Flash with ECC, 64 KB SRAM, three SAR ADCs at up to 1 Msps with 12-bit resolution, four 8-bit DACs, four op-amps with programmable gain, CapSense hardware accelerator, USB 2.0 Full-Speed device, two CAN 2.0 controllers, I2C/SPI/UART, and an integrated DFB for DSP functions. The 68-QFN package has a thermal pad enabling theta_JA around 25 C/W with proper PCB layout. The PSoC 5LP architecture uses a Harvard bus with a separate DMA controller to offload CPU cycles, while the universal analog/digital blocks are interconnected through a programmable fabric. This means a single chip can implement functions that would otherwise require multiple ICs (op-amps, ADC, timer, digital filter). Typical applications include CapSense touch interfaces, industrial control with CAN bus, USB peripherals, motor control, BLDC commutation, and low-power portable instruments. The wide 1.71 V-5.5 V supply also supports direct operation from a single Li-ion cell or 3.3 V system rail. When designing with this device, plan the analog routing early in PSoC Creator: the universal analog blocks share resources and cannot all operate simultaneously. Ensure the exposed pad of the QFN is soldered to a sufficient copper pour (>=1 sq inch) for thermal dissipation above 0.5 W. This page synthesizes distributor pricing, drop-in alternatives within the same 68-QFN package, and practical design notes not found in the manufacturer datasheet alone.

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CY8C5888AXI-LP096 - 80MHz Cortex-M3 PSoC 5LP MCU | Infineon
CY8C5888AXI-LP096

CY8C5888AXI-LP096 - 80MHz Cortex-M3 PSoC 5LP MCU | Infineon

The Infineon CY8C5888AXI-LP096 is a PSoC™ 5LP programmable system-on-chip microcontroller built around a 32-bit ARM Cortex-M3 core running at 80 MHz, with 256 KB flash and 64 KB SRAM, housed in a 100-pin TQFP (14x14 mm) package. It integrates configurable analog blocks, programmable digital logic, and a high-performance MCU on a single die, supported by a 1.71–5.5 V supply range. A PSoC (Programmable System-on-Chip) is a microcontroller category that combines a CPU core, programmable analog front-ends (op-amps, DACs, ADCs, comparators), programmable digital blocks (UDBs), and routable interconnect fabric on one chip. The PSoC 5LP family specifically pairs an industry-standard ARM Cortex-M3 core with the proprietary UDB/UFB fabric, allowing designers to implement custom peripherals in silicon rather than in external components, reducing BOM cost and board area. Key features include 1 Delta-Sigma 20-bit ADC, 2 SAR 12-bit ADCs, multiple DACs, comparators, op-amps, and 24 UDBs for digital logic synthesis. The CY8C5888AXI-LP096 also provides USB Full-Speed, CAN, I2C, SPI, UART, and GPIO. Its CapSense touch sensing capability enables capacitive touch buttons, sliders, and proximity sensors without external ICs. The architecture runs up to 80 MHz, delivers up to 100 DMIPS, and supports industrial temperature range (-40°C to +85°C for "I" suffix). The Cortex-M3 core is paired with a DMA controller and a digital filter processor (DFB) for signal conditioning offloaded from the CPU. The wide 1.71–5.5 V supply allows direct operation from batteries, 3.3 V regulators, or 5 V rails. Typical applications include industrial control, HMI with touch, motor control, USB peripherals, sensor conditioning, and low-power IoT endpoints. The combination of an integrated Delta-Sigma ADC and programmable analog makes it well suited to bridge sensors and wired communication. When designing with this part, plan GPIO and analog pin allocations against the package pinout early because the 100-TQFP has a fixed ball-out. Use PSoC Creator or ModusToolbox for schematic-level configuration of the UDBs and analog blocks; firmware brings up the rest. This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design notes drawn from the manufacturer datasheet and reference designs.

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CY8C5888LTI-LP097 - 80MHz ARM Cortex-M3 PSoC 5LP MCU | Infineon
CY8C5888LTI-LP097

CY8C5888LTI-LP097 - 80MHz ARM Cortex-M3 PSoC 5LP MCU | Infineon

The Infineon CY8C5888LTI-LP097 is a PSoC 5LP microcontroller integrating an 80 MHz ARM Cortex-M3 core with 256 KB Flash and 64 KB SRAM in a 68-QFN (8x8) package. It is part of the CY8C58LP family and combines programmable analog blocks, programmable digital blocks, and a 32-bit MCU on a single die. A PSoC (Programmable System-on-Chip) is a mixed-signal MCU family that pairs a CPU core with a configurable fabric of analog and digital peripherals, allowing routing of on-chip op-amps, ADCs, DACs, PWMs, filters, and logic functions to user-assigned pins. PSoC 5LP is the 32-bit ARM Cortex-M3 generation of the family, succeeding the M8C-based PSoC 1 series and targeted at high-precision analog and HMI designs. Key features include dual 12-bit SAR ADCs, a 20-bit Delta-Sigma ADC, 1.71-5.5 V wide operating voltage, 62 programmable GPIO, on-chip CapSense touch sensing hardware, and full-speed USB 2.0. The 68-QFN (8x8) package provides an exposed thermal pad and supports industrial temperature grade operation. The PSoC 5LP architecture uses a Harvard-bus Cortex-M3 paired with a unified analog routing fabric (AMUXBUS, ABUS, SARBUS) and a Universal Digital Block (UDB) array, enabling flexible signal-chain implementation in firmware-reconfigurable hardware. The 80 MHz core delivers 100 MIPS performance with single-cycle multiplier and hardware divide. Typical applications include industrial HMI with touch, motor control drives, precision sensor signal conditioning, USB peripherals, and test & measurement instruments. The on-chip 20-bit Delta-Sigma ADC makes it well-suited for weigh scales and strain-gauge bridges. When designing with CY8C5888LTI-LP097, allocate enough decoupling near each supply pin and follow the PSoC Creator pin-assignment routing tool to assign analog and digital peripherals to specific GPIO. Use the exposed pad (EP) of the QFN as the primary ground/thermal return to a continuous top-layer copper pour. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers compare the CY8C5888LTI-LP097 with same-family PSoC 5LP devices and pin-compatible cross-brand Cortex-M3 MCUs.

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CY8C6247BZI-D44 - PSoC 62 Dual-Core M4/M0+ MCU 1MB | Infineon
CY8C6247BZI-D44

CY8C6247BZI-D44 - PSoC 62 Dual-Core M4/M0+ MCU 1MB | Infineon

The Infineon CY8C6247BZI-D44 is a PSoC™ 62x7 dual-core microcontroller featuring an ARM Cortex-M4 core running up to 150 MHz paired with an ARM Cortex-M0+ core at 100 MHz, integrating 1 MB (1024 KB) of Flash and 288 KB of SRAM in a 124-ball VFBGA (9x9 mm) package. The Cortex-M4 core delivers DSP and floating-point performance for application processing, while the Cortex-M0+ handles real-time low-power tasks such as sensor polling, BLE radio control, and always-on housekeeping. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data memory, and programmable peripheral IP into one device. PSoC 6 belongs to a specialized MCU family that adds programmable analog (op-amps, ADCs, DACs), programmable digital blocks (UDBs, smart I/O), and hardware cryptographic accelerators on top of the standard Cortex-M subsystem. Within the broader taxonomy, PSoC 6 is a microcontroller -> embedded processor -> SoC -> semiconductor, designed for ultra-low-power human-machine-interface (HMI) and connected IoT end nodes. Key features of the CY8C6247BZI-D44 include 1 MB Flash, 288 KB SRAM, hardware AES/SHA/RSA/TRNG for secure boot and secure element services, up to 8 KB of instruction cache, CapSense® capacitive touch support, USB Full-Speed device, and a 2D graphics accelerator for TFT HMI panels. The device integrates a 12-bit SAR ADC, four op-amps, two low-power comparators, and up to 60 programmable GPIOs, enabling single-chip HMI + connectivity designs. The dual-core architecture allows deterministic real-time response on the M0+ (BLE stack, motor control loops, CapSense scanning) while the M4 executes user-interface logic, graphics, or RTOS-driven application code. Built-in power-management modes include Deep Sleep at sub-µA currents with RTC and SRAM retention, making the part suitable for battery-powered door locks, wearables, and industrial sensors that must wake on touch or interrupt without rebooting. Typical applications include smart door locks (BLE + capacitive keypad + secure element), wearables, smart home HMI panels, industrial sensor hubs, and low-power wireless IoT end nodes. Designers use ModusToolbox and PSoC Creator to configure peripherals graphically and generate peripheral driver libraries. When designing with this device, allocate the M4 core for graphics and protocol stacks while keeping the M0+ for CapSense scanning and radio event servicing to minimize average power. Use the cryptographic accelerator for firmware authenticity verification at boot and store keys in the secure execution environment to protect against physical tampering. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not consolidated in any single Infineon document.

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CY8C6247BZI-D54 - Dual-Core M4/M0+ PSoC 6 MCU, 1MB Flash | Infineon
CY8C6247BZI-D54

CY8C6247BZI-D54 - Dual-Core M4/M0+ PSoC 6 MCU, 1MB Flash | Infineon

The Infineon CY8C6247BZI-D54 is a dual-core PSoC™ 62x7 microcontroller unit (MCU) integrating an ARM Cortex-M4 core running up to 150 MHz with an ARM Cortex-M0+ core running up to 100 MHz, 1 MB of flash, and 288 KB of SRAM in a 124-pin VFBGA (9x9) package. It targets low-power, high-performance Human-Machine Interface (HMI) and secure connected applications, pairing a Cortex-M4F application processor with a Cortex-M0+ network/always-on processor on a single die. PSoC 6 is a family of ultra-low-power 32-bit microcontrollers that combine an application processor and a low-power network/auxiliary processor, programmable analog and digital blocks (UDBs), and hardware-based security. It belongs to the broader taxonomy microcontroller -> 32-bit MCU -> ARM Cortex MCU -> PSoC 6 family -> wireless/secure connected (PSoC 64) sub-family, manufactured on a 40 nm low-power CMOS process for active and sleep current budgets suited to battery-powered IoT endpoints. Key features include 1 MB (1M x 8) flash, 288 KB SRAM, hardware crypto accelerators, capacitive touch sensing (CAPSENSE™), USB, and a wide operating voltage range. According to the Infineon datasheet (PSoC 62 MCU family), the device supports multiple power modes down to deep-sleep currents in the microamp range, plus wake-on-interrupt for energy harvesting and battery applications. The 124-VFBGA package and dual-core architecture enable split-architecture firmware designs where the M4 handles application logic while the M0+ manages BLE stack, sensor fusion, or housekeeping. Typical applications include wearables, smart home HMI panels, secure IoT endpoints, industrial HMI, and low-power wireless sensor hubs. The hardware crypto block makes it suitable for products needing secure boot, secure firmware update, and encrypted communication with users. Design tip: when migrating from CY8C6247BZI-D34, recompile the firmware because the -D54 adds a hardware crypto block. The 124-VFBGA (9x9) footprint and pinout remain consistent with the -D34 in the same family, easing hardware reuse. Verified data via Infineon product page and DigiKey listing as of 2026-10-07.

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CY8C6347FMI-BLD13T - PSoC 63 Dual-Core BLE MCU 1MB Flash | Infineon
CY8C6347FMI-BLD13T

CY8C6347FMI-BLD13T - PSoC 63 Dual-Core BLE MCU 1MB Flash | Infineon

The Infineon CY8C6347FMI-BLD13T is a dual-core ARM Cortex-M4/M0+ PSoC 6 Bluetooth LE microcontroller with 1 MB flash, 288 KB SRAM, and a 104-ball WLCSP package (3.8 x 5 mm). It pairs a 150 MHz Cortex-M4 application core with a 100 MHz Cortex-M0+ network/sensor processor for low-power IoT, wearable, and human-machine interface designs. A PSoC 63 BLE MCU is a system-on-chip combining an ultra-low-power application processor, a radio sub-system, programmable analog and digital blocks (PSoC fabric), and hardware-based security in a single die. It belongs to the broader microcontroller family, sitting between general-purpose MCUs and wireless SoCs. The dual-core architecture lets system firmware run real-time user code on the Cortex-M4 while the M0+ handles radio stack, sensors, and always-on housekeeping, dramatically reducing system power. Key features include Bluetooth LE 5.x radio with 2 Mbps PHY, 1 MB application flash, 288 KB SRAM, 104-pin WLCSP footprint, hardware crypto accelerators (AES, SHA, TRNG), capacitive touch sensing, USB device, and 12-bit SAR ADC with up to 1 Msps. Independent chip with low-power modes down to deep-sleep current under 5 uA (per Infineon datasheet). The 40 nm process enables aggressive leakage reduction without sacrificing analog performance. Typical applications include fitness bands and smart watches, BLE-based smart home hubs, asset tracking beacons, wireless sensor nodes, HMI touch panels, and connected medical devices. The wide operating voltage (1.7 V to 9 V battery and Wi-Fi analog frontend (AFE)) supports coin-cell, Li-ion, and USB-powered designs in a single BOM. When designing with this part, pay attention to WLCSP PCB layout: 0.4 mm pitch requires NSMD pads, microvia-in-pad, and controlled-impedance routing for the antenna. Use Infineon ModusToolbox and the PSoC 63 BSP to leverage the dual-core project template for ARM-based firmware development. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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CY8CLED02-8SXI - 24MHz 2-Channel LED Controller | Infineon
CY8CLED02-8SXI

CY8CLED02-8SXI - 24MHz 2-Channel LED Controller | Infineon

The Infineon Technologies CY8CLED02-8SXI is an M8C EZ-Color HB application-specific LED-controller microcontroller with 4KB of programmable flash, 256 x 8 RAM, six I/O pins, a 24 MHz internal oscillator, and an 8-SOIC package. It controls two independent LED channels through configurable dimmers, with 32-bit resolution per channel and dynamic reconfiguration. The device is positioned as a compact system-on-chip solution for high-brightness LED lighting rather than a general-purpose MCU. An application-specific LED-controller microcontroller is a specialized embedded-control IC that integrates programmable logic, memory, digital I/O, and LED-control functions on one die. In the product hierarchy, the CY8CLED02-8SXI belongs to microcontrollers, specifically the EZ-Color HB LED-controller family. Its role is to execute dimming and lighting-control firmware, manage LED-channel outputs, and reduce the external circuitry needed for dedicated high-brightness lighting systems. The verified specifications identify 4KB (4K x 8) of program memory, 256 x 8 RAM, six I/O pins, 24 MHz operation, an internal oscillator, and an 8-SOIC package measuring 0.154 inch, or 3.90 mm, in width. The LED-control feature set includes configurable dimmers for two independent channels, 32-bit resolution for each channel, dynamic reconfiguration, and binning compensation. These capabilities make firmware-defined behavior central to the device's value. The M8C architecture combines embedded program and data memory with six external I/O in a small surface-mount package. A 24 MHz internal clock eliminates the need for an external oscillator when the system design permits operation from the specified internal time base. The 4KB program-memory limit is the principal firmware constraint, so control code should be compact and lighting effects should be selected for repeatability rather than elaborate computation. Typical uses include high-brightness LED modules, decorative color lighting, fixed architectural accents, display backlighting, compact lamp controllers, and two-channel illumination products where independent dimming is useful. The controller is particularly appropriate when both channels must share an embedded control program but require separate dimming commands. Final electrical suitability still depends on the LED topology, drive current, supply limits, and dimming behavior defined in the manufacturer datasheet. Designers should preserve the SOIC-8 land pattern and route decoupling close to the supply pins. Because the verified excerpts do not provide complete pin names, voltage limits, timing values, or output-drive details, those items must be checked in the manufacturer datasheet before schematic sign-off. LED current should not be inferred from the MCU I/O ratings without the missing electrical data. This page consolidates verified distributor specifications, package information, feature descriptions, sourcing links, and engineering-oriented usage guidance. It also distinguishes confirmed data from parameters that still require verification, providing a useful starting point for LED-controller design while avoiding unsupported electrical assumptions.

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CY90F352SPMC-GS-SPE1 - 16-Bit F²MC-16LX MCU, 24MHz, 128KB Flash | Infineon
CY90F352SPMC-GS-SPE1

CY90F352SPMC-GS-SPE1 - 16-Bit F²MC-16LX MCU, 24MHz, 128KB Flash | Infineon

The Infineon CY90F352SPMC-GS-SPE1 is a 16-bit F²MC-16LX MB90350 series microcontroller IC running at 24 MHz with 128 KB (128K x 8) of on-chip FLASH program memory, housed in a 64-pin LQFP package measuring 12 x 12 mm. It is part of the legacy Cypress (now Infineon) MB90350 auto-MCU family that has been widely adopted in automotive body, chassis, and powertrain ECUs as well as industrial motor-control and metering subsystems. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (FLASH/ROM), working memory (RAM), and a rich set of on-chip peripherals such as timers, ADCs, communication controllers (UART, SPI, I²C, CAN), and GPIO. Within the broader taxonomy, this part belongs to the 16-bit microcontroller class, sits in the embedded MCU category of the semiconductor hierarchy, and is designed for real-time deterministic control rather than application processing. The F²MC-16LX architecture provides a Harvard-style 16-bit data path with CISC-style orthogonal instruction set, enabling compact code density and predictable interrupt latency for automotive-grade control loops. Key features include 128 KB embedded FLASH, an automotive-qualified (-40 °C to +125 °C) operating range, integrated peripherals for CAN/LIN/UART/SPI, multi-channel 10-bit ADC, and a 64-pin LQFP footprint that simplifies PCB layout for high-density automotive PCBAs. The IC is supplied on Tape & Reel for high-speed SMT assembly lines, with a moisture sensitivity level suitable for standard reflow profiles. Architecture-wise, the F²MC-16LX core combines a register-bank architecture with hardware multipliers and dedicated interrupt controllers, supporting low-power standby modes and a wide operating voltage range typical of automotive 5 V systems. The on-chip FLASH is in-system programmable, simplifying firmware updates and end-of-line calibration. Typical applications include automotive body control modules, HVAC actuators, instrument clusters, EPS sensor interfaces, smart metering, low-end motor control, and industrial IoT edge nodes. It is also commonly designed into white-goods motor controllers and small appliance inverters. When designing with this part, engineers should note the 64-LQFP exposed-pad PCB layout requires thermal vias for proper heat dissipation, and that automotive software development requires an AUTOSAR or low-level driver layer mapped onto the F²MC-16LX peripheral set. FLASH endurance and retention characteristics should be budgeted against the application's write-cycle profile. This page synthesizes distributor pricing, drop-in alternates within the MB90350 family, and practical thermal/PCB-design guidance not aggregated in a single manufacturer datasheet view.

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CY90F387SPMCR-G-JNE1 - 16-bit F²MC-16LX MCU 64KB Flash 48-LQFP | Infineon
CY90F387SPMCR-G-JNE1

CY90F387SPMCR-G-JNE1 - 16-bit F²MC-16LX MCU 64KB Flash 48-LQFP | Infineon

The Infineon CY90F387SPMCR-G-JNE1 is a 16-bit F²MC-16LX MB90385 series microcontroller IC running at 16 MHz with 64 KB (64K x 8) of embedded Flash memory, housed in a 48-pin LQFP package (7x7 mm). It belongs to Infineon's broad F²MC-16LX automotive MCU family and is qualified for in-vehicle and industrial process-control applications requiring deterministic real-time behavior. A 16-bit MCU (microcontroller unit) is a single-chip processor that integrates a CPU core, program and data memory, on-chip peripherals, and interrupt control into one IC. The F²MC-16LX architecture is the second-generation F²MC family whose Harvard-style core, multi-stage pipeline, and rich peripheral set make it well-suited to real-time control. Within the broader semiconductor hierarchy, the F²MC-16LX belongs to microcontrollers, which sit under the larger umbrella of embedded processors and integrated circuits. The MB90385 sub-series adds a built-in full-CAN interface, which is essential for in-vehicle networking such as CAN 2.0A/B body and chassis domains. Key features of the CY90F387SPMCR-G-JNE1 include 64 KB of Flash, 2 KB of on-chip RAM (typical for the MB90385 series), a 16 MHz maximum operating frequency, a 10-bit successive-approximation A/D converter with multiple channels, a 16-bit reload timer, a 16-bit free-run timer, UART and SIO channels, an external interrupt controller, and a full-CAN controller. The 48-LQFP (7x7 mm) package provides a thin, leaded, surface-mountable footprint that is widely accepted in automotive ECUs and industrial control boards. The MB90385 architecture features an enhanced 16-bit F²MC core with a 4-byte instruction queue, hardware multiplier, and 16 MB linear address space. Its built-in full-CAN module implements the CAN 2.0A/B active/passive error states with 16 message buffers, supporting baud rates from 125 kbps up to 1 Mbps, which is critical for body, chassis, and powertrain CAN networks. The on-chip flash supports both hardware and software protection against accidental writes, an important feature for safety-critical in-vehicle firmware. Typical applications include automotive body control modules (BCM), instrument clusters, HVAC climate controllers, steering-angle sensor interfaces, immobilizers, generic CAN node endpoints, and industrial process-control boards that require a CAN link plus a moderate Flash budget. The 64 KB Flash is sufficient for small to medium protocol stacks, sensor-fusion routines, and motor-control state machines. When designing with this part, ensure that the brown-out detection threshold and the PLL/clock-divider configuration match the system clock budget. Add a 4.7 kΩ pullup on the CAN RX line and a 120 Ω split termination on the bus. Decouple VCC/VSS pairs with 100 nF ceramic capacitors placed within 5 mm of the pins. This page synthesizes distributor pricing, drop-in alternatives, comparison data, and practical design notes not consolidated in the manufacturer datasheet alone.

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CY90F543GPF-GE1 - 16-bit F²MC-16LX MCU, 128KB Flash, 100-QFP | Infineon
CY90F543GPF-GE1

CY90F543GPF-GE1 - 16-bit F²MC-16LX MCU, 128KB Flash, 100-QFP | Infineon

The Infineon CY90F543GPF-GE1 is a 16-bit F²MC-16LX MB90540G series microcontroller featuring 128KB of embedded Flash memory and a 16MHz core, housed in a 100-pin QFP (14x20 mm) package. This automotive-grade MCU delivers 16-bit processing performance for body electronics, powertrain peripherals, and industrial control subsystems. A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash/ROM), working memory (RAM), and programmable peripherals. It belongs to the hierarchy: microcontroller -> embedded processor -> system-on-chip -> semiconductor. Within the 16-bit MCU tier, the F²MC-16LX architecture bridges 8-bit legacy designs and 32-bit ARM Cortex-M devices, offering deterministic interrupt handling and rich timer/counter resources that engineers favored for automotive body controllers in the 2000s. Key features of the CY90F543GPF-GE1 include 128KB (128K x 8) embedded Flash for program storage, 16-bit data path width, and 16MHz maximum CPU clock supporting up to ~8 MIPS throughput. The 100-QFP (14x20 mm) package provides generous I/O access for legacy parallel buses, CAN/LIN peripherals, and analog channels, while the -40C to +105C operating temperature range targets under-hood and industrial cabinet environments. The Cypress 'CY' prefix denotes the Cypress legacy product line that has been carried into the Infineon catalog following the 2020 acquisition. From an architectural perspective, the F²MC-16LX core uses a CISC-style instruction set optimized for embedded control with hardware multiply/divide and a multi-channel DMA engine. The MB90540G series integrates CAN, UART, timers, A/D converters, and GPIO into a single die, eliminating external glue logic in automotive body and chassis applications. Typical applications include automotive body control modules, instrument clusters, HVAC controllers, industrial PLCs, and white-goods motor controllers. Designers select this family for proven long-term supply and stable firmware toolchains (Softune Workbench). When designing with this part, verify the variant's peripheral mix against the CY90F543GPFR-GE1 (tape-and-reel) and CY90F543PF-GE1 (lower-pin alternative) before committing to a footprint. The device is in active distribution but is generally considered legacy; verify lifecycle status with Infineon for new designs. This page synthesizes distributor pricing, drop-in alternates from the same MB90540G family, and practical migration notes not found in the standalone datasheet.

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CY90F543GSPFR-GE1 - 16MHz F²MC-16LX MCU 128KB Flash 100-QFP | Infineon
CY90F543GSPFR-GE1

CY90F543GSPFR-GE1 - 16MHz F²MC-16LX MCU 128KB Flash 100-QFP | Infineon

The Infineon CY90F543GSPFR-GE1 is a 16-bit F²MC-16LX MB90540G series microcontroller delivering 16MHz CPU clock, 128KB (128K x 8) embedded FLASH, and a 100-pin QFP (14x20mm) package. It is part of the legacy Cypress F²MC-16LX automotive MCU family now under Infineon, designed for body electronics and industrial real-time control. What is an F²MC-16LX microcontroller? F²MC-16LX is a 16-bit CISC microcontroller architecture originally developed by Fujitsu and continued by Cypress (now Infineon). It sits in the hierarchy: microcontroller -> embedded MCU -> 16-bit CISC processor -> automotive-grade real-time controller. The 'LX' variant adds enhanced peripherals, larger address space, and improved instruction throughput versus earlier F²MC-16L parts. The MB90540G sub-family is widely deployed in automotive body control, HVAC, instrument clusters, and industrial sensor-interface applications. Key features include 128KB on-chip FLASH program memory, multi-channel 8/10-bit ADC, 16-bit reload timers, UART/SIO communications, and a CAN 2.0B controller. The device operates from a 3.5V to 5.5V supply and supports automotive temperature grades. The MB90540G core includes hardware multiplier, 24-bit address space, and zero WaitState FLASH access for deterministic 16MHz execution. The 100-QFP (14x20mm) package provides generous I/O count (typically 80+ GPIO) suitable for body and chassis modules. An on-chip CAN 2.0B controller is the defining peripheral, enabling OBD-II, body networks, and industrial CANopen/J1939 connectivity without an external transceiver controller. Additional peripherals include PPG (Programmable Pulse Generator), up/down counters, and external interrupt controllers. Typical applications include automotive body control modules, HVAC controllers, instrument clusters, immobilizer ECUs, and industrial CAN-node slave devices. The wide operating voltage and automotive-grade temperature range make it suitable for under-hood and chassis-mounted ECUs. Design consideration: Add a 4.7kΩ pull-up on the reset pin and ensure the MODE pins are tied to known states during power-up to prevent unintended bootloader entry. Decouple VCC with 100nF ceramic at each supply pin placed within 5mm of the lead. This page synthesizes distributor pricing, drop-in compatible MB90540G-family alternatives, and practical automotive design notes not consolidated on the manufacturer product page.

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CY90F591APFR-GE1 - 16-Bit 16MHz 384KB F2MC-16LX MCU | Infineon
CY90F591APFR-GE1

CY90F591APFR-GE1 - 16-Bit 16MHz 384KB F2MC-16LX MCU | Infineon

The Infineon CY90F591APFR-GE1 is a 16-bit F²MC-16LX MB90590 series microcontroller (MCU) operating at 16 MHz with 384 KB (384K x 8) of embedded Flash memory, housed in a 100-pin QFP (14x20 mm) package. It integrates the legacy Fujitsu-originated F²MC-16LX CPU core, designed for automotive and industrial embedded control where deterministic 16-bit performance and large on-chip code storage are required. The wide 3.0V to 5.25V supply range supports both 3.3V and 5V system rails common in body-electronics and factory-automation designs. An F²MC-16LX microcontroller belongs to the broader family of microcontrollers (MCUs) -> embedded microprocessors -> semiconductors -> integrated circuits. F²MC (Fujitsu Micro controller) 16LX cores implement a 16-bit CISC architecture with multi-stage pipeline, banked register file and dedicated peripherals for timer/PWM, UART, CAN and A/D conversion - well suited to real-time automotive control loops where latency predictability matters more than raw clock rate. The 'LX' suffix indicates the low-power extension of the original F²MC-16L family, integrating enhanced peripherals such as extended timers, PPG (Programmable Pulse Generator) and CAN 2.0B controllers for vehicle network nodes. Key features include 384 KB on-chip Flash for application code and 384K x 8 byte-addressable organization, 16 MHz maximum CPU clock, the 100-pin QFP (14x20) package providing ample I/O for body and chassis modules, and 3.0V to 5.25V single-supply operation with automotive-grade qualification. The MB90590 family also integrates CAN, UART, timers, A/D and PPG peripherals, reducing external component count in ECU designs. As an automotive-grade (Auto MCU) part, the CY90F591APFR-GE1 is specified over extended temperature ranges typical of under-hood and cabin environments. Typical applications include automotive body control modules, instrument clusters, HVAC controllers, lighting/ECM subsystems, and industrial PLC/automation nodes. The combination of 384 KB Flash and abundant peripherals makes it suitable for protocol-rich nodes (CAN + LIN + UART) where multiple stacks must coexist. The 100-pin QFP also supports human-interface applications needing matrix keypad, LCD or LED drive capability. When designing with this MCU, route the analog AVCC/AREF pins with dedicated decoupling and a ferrite bead to isolate from digital noise. Verify the oscillator load capacitor values against the crystal manufacturer datasheet and confirm the Mode pins are latched to the desired operating mode before the reset de-assertion edge. This page synthesizes distributor stock data, F²MC-16LX same-family pin-compatible alternatives, and practical automotive-MCU design guidance not consolidated on any single vendor page.

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CY91F467CBPMCR-GS-UJE2 - 32-Bit 100MHz FR60 MCU, 1.0625MB Flash | Infineon
CY91F467CBPMCR-GS-UJE2

CY91F467CBPMCR-GS-UJE2 - 32-Bit 100MHz FR60 MCU, 1.0625MB Flash | Infineon

The Infineon CY91F467CBPMCR-GS-UJE2 is an automotive-grade 32-bit RISC microcontroller based on the FR60 core from the CY91460C series, delivering 100MHz single-core performance with 1.0625MB of embedded Flash memory in a 144-pin LQFP (20x20 mm) package. According to the Infineon datasheet and distributor listings, the part is qualified for automotive applications (Auto MCU designation) and integrates substantial on-chip memory suitable for body-electronics, gateway, and chassis-control firmware. What is a 32-bit automotive MCU? A microcontroller is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals (CAN, LIN, timers, ADC, GPIO). A 32-bit automotive MCU uses a 32-bit datapath that allows larger address spaces, more efficient handling of complex protocols (CAN FD, Ethernet), and higher code density than 8-bit or 16-bit MCUs. The CY91F467 belongs to the FR60 family (RISC architecture derived from the Fujitsu/now-Infineon FR series), which sits in the taxonomy: MCU -> 32-bit MCU -> FR60 family -> body/chassis controller IC -> semiconductor under automotive development. Key technical highlights include: (1) FR60R RISC core at 100 MHz providing deterministic interrupt latency for time-triggered automotive communications; (2) 1.0625 MB (1.0625M x 8) embedded Flash enabling large AUTOSAR-compliant application images and bootloader/BootROM coexistence; (3) 144-LQFP (20x20 mm) package offering generous GPIO count for body, gateway, and chassis nodes; (4) automotive-grade qualification supporting AEC-Q100-style environmental stresses for under-hood and cabin modules. Technical depth: the FR60 core implements a RISC load-store architecture with 32-bit registers and dedicated addressing modes tailored for embedded C code generated by automotive compilers (GHS, Cosmic, IAR). The 1.0625 MB program Flash is typically partitioned for application + bootloader + calibration data. Internal RAM (exact size per datasheet) supports the stack, AUTOSAR RTE, and CAN message buffers. The peripheral set typical of this family includes multi-channel CAN, LIN, FlexRay (model-dependent), 12-bit ADC, PWM timers for motor drive, and external memory interfaces. Typical applications include automotive body control modules (BCM), HVAC climate-control ECUs, instrument cluster MCUs, gateway/router nodes, and industrial CAN/EtherCAT slave controllers. The wide program Flash also suits safety-critical applications implementing ASIL-B firmware with dual-bank OTA updates. When designing with this device, allocate PCB footprint for the 144-LQFP 20x20 mm package with adequate thermal copper pour, ensure decoupling per Infineon reference design (1x 100nF + 1x 4.7uF per VDD pin pair), and verify oscillator stability across the automotive temperature range (-40C to +125C). This page synthesizes distributor pricing, automotive-grade application context, and FR60-family alternatives that go beyond what a single distributor search result can show.

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CY91F526JSE - 32-bit FR81S 80MHz MCU, 1.0625MB Flash | Infineon
CY91F526JSE

CY91F526JSE - 32-bit FR81S 80MHz MCU, 1.0625MB Flash | Infineon

The Infineon CY91F526JSEPMC-GSE2 (marketed as CY91F526JSE) is a 32-bit RISC microcontroller built on the FR81S core, delivering up to 80 MHz CPU clock, 1.0625 MB on-chip Flash, and 138 KB SRAM, housed in a 120-pin LQFP (16x16 mm) surface-mount package. It integrates a 12-bit ADC, an 8-bit auxiliary ADC, and supports up to 96 external I/O lines, with an operating voltage range of 2.7 V to 5.5 V. An automotive-grade microcontroller (MCU) is a programmable logic controller optimized for vehicle electronics, characterized by an operating temperature range typically spanning -40 C to +125 C, enhanced ESD/EMC robustness, and conformance to AEC-Q100 qualification. Within the broader semiconductor taxonomy, the FR81S belongs to the FR family of 32-bit RISC microcontrollers -> microcontrollers (MCU/MPU/SOC) -> embedded processors -> semiconductors. The CY91F526JSE sits in the FR MB91520 series, designed for body electronics and chassis applications requiring real-time control and CAN connectivity. Key differentiating features include 1.0625 MB Flash (1.0625M x 8), 64 KB dedicated data Flash, 96 I/O channels, 12-bit SAR ADC resolution, and a -40 C to +105 C (K-type suffix) operating window. The wide 2.7-5.5 V supply range simplifies direct connection to automotive 5 V rails without level shifters. Hardware peripherals include multiple timers, UART/SPI/I2C interfaces, CAN controllers, and PWM channels tailored for motor and lighting control. The FR81S core implements a Harvard-style architecture with separate program/data buses, single-cycle 32-bit ALU operations, and dedicated bit-manipulation instructions. The 80 MHz clock rate delivers 80 MIPS peak throughput, sufficient for closed-loop control loops at sub-millisecond latency. Internal Flash supports in-system programming via the single-wire debug interface, eliminating the need for external boot ROM. Typical applications include automotive body control modules (BCM), instrument clusters, HVAC actuators, lighting controllers, and chassis subsystems such as electric power steering and brake-by-wire nodes. The 96 GPIO budget supports multi-sensor fusion designs where multiple analog inputs must be sampled per cycle. When designing with this device, allocate at least 4-layer PCB routing for the 120-LQFP's 0.5 mm pitch footprint. Provide a local 100 nF decoupling capacitor adjacent to each VCC/VSS pair, and ensure the RESET pin has a proper supervisor or RC delay for clean power-on. This page consolidates distributor pricing, drop-in alternatives within the FR MB91520 family, and design notes not found in the standalone manufacturer datasheet.

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CY91F526KHB - FR81S 32-bit Auto MCU, 1.0625MB Flash, 144-LQFP
CY91F526KHB

CY91F526KHB - FR81S 32-bit Auto MCU, 1.0625MB Flash, 144-LQFP

The Infineon/Cypress CY91F526KHB is a 32-bit FR81S series microcontroller designed for automotive ECU applications, featuring an FR81S core, 1.0625 MB on-chip Flash, and a 144-pin LQFP package. As a member of the MB91520 family, the CY91F526KHB integrates high-density embedded Flash, multi-channel timers, A/D converters, and a rich set of communication peripherals aimed at chassis, body, and powertrain ECUs. A 32-bit microcontroller (MCU) is a single-chip computer that combines a high-performance processor core, on-chip memory (Flash for program code and RAM for data), and a wide variety of analog and digital peripherals into one IC. Within the broader semiconductor hierarchy it sits as: MCU -> microcontroller -> embedded processor -> semiconductor device. The FR81S architecture used here is Fujitsu's (now Infineon) 32-bit RISC core optimized for automotive real-time control, offering deterministic interrupt latency and large code density. Automotive MCUs in this class also target AEC-Q100 qualification and an extended temperature range, distinguishing them from commercial-grade microcontrollers. Headline features of the CY91F526KHB include 1.0625 MB embedded Flash for application code, multi-channel 10-bit A/D converters, multiple 16-bit timers, CAN/LIN/UART communication interfaces, and watchdog/low-voltage detection peripherals. The 144-LQFP package gives generous I/O for body, chassis, and gateway ECUs. Compared with smaller Flash-density parts in the same family, the 1.0625 MB Flash lets designers consolidate multiple software modules without external memory expansion, simplifying PCB layout and BOM. The CY91F526KHB is targeted at AEC-Q100 automotive applications, including engine management units, transmission control units, body control modules, and gateway ECUs. Because it integrates CAN and LIN, the device is a natural fit for sub-networks where a higher-end host ECU offloads I/O and sensor conditioning. Its Flash density also supports OBD-II diagnostics and AUTOSAR-style stacks. When designing with the CY91F526KHB, follow the recommended decoupling scheme (100 nF + 10 uF near each VDD/VSS pair) and respect the 144-LQFP land pattern specified in the datasheet. Engineers should also verify the latest Infineon (formerly Cypress) revision of the CY91F526 family datasheet before committing layout, since some variants carry suffix codes that change peripheral mapping. This page synthesizes current distributor pricing, drop-in alternatives within the MB91520 family, and practical design notes drawn from the manufacturer datasheet - context not available from a single datasheet PDF.

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CY91F526KSD - 32-bit FR81S Auto MCU 1.0625MB Flash 144-LQFP | Infineon
CY91F526KSD

CY91F526KSD - 32-bit FR81S Auto MCU 1.0625MB Flash 144-LQFP | Infineon

The Infineon CY91F526KSDPMC-GSE1 (family: CY91F526 / MB91F526) is a 32-bit FR81S FR MB91520 automotive microcontroller IC running up to 80 MHz with 1.0625 MB (1.0625M x 8) embedded Flash and 128 KB SRAM, housed in a 144-pin LQFP (20x20 mm) surface-mount package. It is rated for -40C to +125C operation and operates from a 5 V supply, and integrates 120 general-purpose I/O lines and a 12-bit ADC for mixed-signal automotive subsystems. The device belongs to Cypress/Infineon's MB91520 series of FR81S microcontrollers targeting chassis, body, and powertrain ECUs. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory (Flash/ROM), working memory (SRAM), and peripheral IP (timers, ADC, communication controllers, GPIO) on a single die. Within the product taxonomy, the CY91F526KSD sits inside: MCU -> 32-bit microcontroller -> automotive microcontroller -> FR81S family -> MB91520 series -> embedded Flash MCU. The FR81S core is Fujitsu's 32-bit RISC architecture (originally developed by Fujitsu before Cypress/Infineon absorbed the product line) optimized for deterministic interrupt latency and low EMI in vehicle environments, making it a peer to ARM Cortex-M3/M4 devices in automotive body controllers. Key differentiating specifications include the 1.0625 MB single-bank Flash, 80 MHz maximum CPU clock, 12-bit ADC resolution, and an extended automotive temperature grade up to +125C. The 144-LQFP package exposes 120 I/O lines, leaving headroom for CAN, LIN, FlexRay, and PWM-heavy chassis modules. Five-V single-supply operation simplifies wiring harness design versus 3.3 V MCUs that need an additional LDO on the ECU board. Architecturally, the FR81S core implements a Harvard-style bus with separate instruction and data paths to the on-chip Flash and SRAM, which avoids contention between fetch and load/store cycles. The peripheral set typically includes multi-channel 16-bit timers for motor PWM, a 12-bit successive-approximation ADC with up to ~24 channels (vendor datasheet specific), CAN/LIN/SPI/I2C controllers, and an external memory interface. Cypress/Infineon qualifying flow follows AEC-Q100 stress profiles for automotive grade 1, which is why the part is commonly seen in OEM-spec body control modules. Typical applications include automotive body control modules (BCM), HVAC climate controllers, instrument clusters, lighting ECUs, and chassis sensor-fusion nodes. The wide temperature range and 5 V I/O also suit industrial PLC analog front-ends and any 12 V/24 V battery-powered subsystem that requires deterministic real-time behavior. When designing with this MCU, allocate a 4.7uF-10uF bulk decoupling capacitor near the 5 V supply pin plus 0.1uF ceramic bypass per VDD/VSS pair, and respect the 144-LQFP land pattern (0.5 mm pitch recommended footprint). Confirm that your IDE and toolchain are FR81S-aware (Softune or the vendor-supported GCC FR port) before committing the part to layout. This page synthesizes distributor pricing, automotive temperature ratings, and design considerations for the CY91F526KSD family that are not consolidated in any single manufacturer datasheet.

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CY91F526KSDPMC-GSE2 - 32-bit 80MHz MCU 1MB Flash 144-LQFP | Infineon
CY91F526KSDPMC-GSE2

CY91F526KSDPMC-GSE2 - 32-bit 80MHz MCU 1MB Flash 144-LQFP | Infineon

The Infineon CY91F526KSDPMC-GSE2 is a 32-bit single-core microcontroller from the FR81S (MB91520) automotive MCU family, running at 80 MHz and integrating 1.0625 MB of on-chip FLASH in a 144-pin LQFP (20x20 mm) package. It is qualified to the AEC-Q100 automotive standard, with extended temperature range and dedicated peripheral sets for body, HVAC, and chassis ECUs. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and a wide range of peripheral interfaces (timers, ADC, CAN, LIN, GPIO, etc.) into one package. In the broader semiconductor taxonomy, an MCU belongs to the embedded processor family, which sits under microcontrollers and controllers, then under integrated circuits (ICs), then under semiconductors. Automotive MCUs form a hardened sub-category designed to survive under-the-hood thermal, vibration, and EMI stress. Key features include a high-performance FR81S 32-bit core optimized for real-time control, 1.0625 MB of embedded flash for application code and data, on-chip debug and trace, multiple CAN/LIN/SPI/UART interfaces, and 12-bit A/D converters. The 144-LQFP package provides ample I/O count for body-control modules and supports surface-mount assembly with standard lead-free reflow. The architecture is built around the FR family CPU with tightly coupled flash and SRAM buses, deterministic interrupt handling, and hardware MAC multipliers for signal-processing workloads. The peripheral set is configurable through Cypress/Infineon peripheral manager tools, allowing pin-function remapping and DMAC transfers to offload the CPU. Typical applications include automotive body control modules, HVAC climate controllers, instrument clusters, lighting ECUs, and industrial automation controllers. Its AEC-Q100 qualification also makes it suitable for chassis subsystems and electric powertrain auxiliaries with appropriate derating. When designing with this part, allocate PCB area for the 144-LQFP footprint (0.5 mm pitch) and ensure the supply rails are decoupled with low-ESR ceramic capacitors placed close to the VDD/VSS pin groups. Programming is supported through the Cypress/Infineon flash toolchain; verify JTAG/SWD header population for production programming. This page synthesizes distributor pricing, drop-in family alternatives, and design notes not always visible on the manufacturer landing page. Pricing references are stated as of 2026-10-07 and may fluctuate with supply conditions.

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CY96F389RSBPMC-GS-UJE2 - F2MC-16FX 16-Bit MCU, 56MHz, 832KB Flash | Infineon
CY96F389RSBPMC-GS-UJE2

CY96F389RSBPMC-GS-UJE2 - F2MC-16FX 16-Bit MCU, 56MHz, 832KB Flash | Infineon

The Infineon CY96F389RSBPMC-GS-UJE2 is a 16-bit RISC microcontroller built on the F²MC-16FX architecture (CY96380 series), featuring a 56 MHz CPU core, 832 KB of on-chip flash, and a 120-pin LQFP package (16x16 mm). It is qualified to automotive temperature grade and supports both CAN and LIN connectivity, targeting automotive body and chassis ECUs. An F²MC-16FX microcontroller is a 16-bit proprietary CPU family originally developed by Cypress and now owned by Infineon. It uses the same instruction set as the earlier 16LX series, allowing direct migration of legacy 16LX code, while the 16FX pipeline improvements increase throughput versus the previous generation. Within the broader hierarchy, this part sits in the F²MC family -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor IC, making it suitable for real-time control applications that benefit from deterministic interrupt handling. Key specifications include 832 KB (832K x 8) of embedded flash for program storage, 56 MHz maximum CPU clock, an automotive temperature grade, and a 120-pin LQFP (LFQFP, gull-wing, square package code). The part is RoHS3 compliant and is typically used where 16-bit deterministic performance, large flash, and automotive-grade qualification are required simultaneously. The architecture combines a RISC-like instruction pipeline for efficient code execution with on-chip peripherals suited to automotive body electronics. The 120-LQFP exposes a wide I/O count that supports multiple communication channels, timers, and analog capture channels required by body and chassis control modules. Typical applications include automotive body control modules, instrument clusters, HVAC controllers, lighting ECUs, and other in-vehicle subsystems where 832 KB program memory, 16-bit performance, and automotive temperature qualification are required. The part is well-suited for CAN/LIN connected nodes. When designing with this part, note the 56 MHz system clock and the 832 KB flash size require a host bootloader strategy if field updates are planned. The 120-LQFP package requires a 4-layer PCB with thermal relief and at least 2 oz copper to manage the moderate dissipation of automotive body ECUs. This page synthesizes distributor availability, automotive-grade alternatives in the same 120-LQFP footprint, and design considerations not collected in any single manufacturer datasheet, giving engineers a single reference for sourcing and second-source decisions.

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CY96F395RSAPMC-GS-UJE2 - 16-bit F2MC-16FX MCU 160KB Flash | Infineon
CY96F395RSAPMC-GS-UJE2

CY96F395RSAPMC-GS-UJE2 - 16-bit F2MC-16FX MCU 160KB Flash | Infineon

The Infineon CY96F395RSAPMC-GS-UJE2 is a 16-bit F2MC-16FX family microcontroller with 160 KB of embedded flash memory, packaged in a 100-pin LQFP (14x14 mm). It integrates the F2MC-16FX CPU core operating up to 40 MHz with a 25 ns minimum instruction cycle, an 8-byte instruction execution queue, signed 16-bit x 16-bit multiplication, 23 addressing modes, and a barrel shifter that simplifies bit, byte, word, and long-word data manipulation. An MCU (microcontroller unit) is a single-chip computer that combines a CPU core, non-volatile program memory, volatile data memory, and a rich set of on-chip peripherals such as timers, communication controllers, ADCs, and GPIO into one device. MCUs sit below microprocessors in the embedded system hierarchy and are widely used in automotive body, chassis, and powertrain ECUs as well as in industrial controllers. The F2MC-16FX family is Infineon's (formerly Cypress) established 16-bit MCU line optimized for real-time control with a C-friendly instruction set and zero-wait-state flash execution up to the rated clock. Key features of the CY96F395RSAPMC-GS-UJE2 include 160 KB of on-chip flash, several kilobytes of SRAM, multiple 8/16-bit timer/counter units, a CAN-compatible communication controller block, UART/SIO channels, an A/D converter, and an external bus interface capable of addressing additional memory or peripherals. The part carries the GS suffix denoting the automotive grade qualification and the UJE2 ordering code used for tape-and-reel packing. Typical applications include automotive body and chassis ECUs, instrument cluster controllers, HVAC control modules, industrial sensor interfaces, and small appliance or power-tool motor control boards. The 100-LQFP package provides ample GPIO and bus power levels, enabling a benchtop implementation footprint while remaining surface-mountable for high-volume production. When designing with this MCU, ensure the operating voltage matches the 5 V analog and digital supply range, leave the reset pin driven through the recommended RC network, and provide adequate decoupling (typically 0.1 uF ceramic per VDD/VSS pair plus bulk capacitance) for the high-speed internal bus. For new designs, verify that the specific CY96F395RSAPMC-GS-UJE2 die revision is still active against the latest Infineon product change notification before committing to a PCB layout. This page synthesizes distributor pricing, drop-in alternatives within the F2MC-16FX family, and practical design notes beyond what is collected in the manufacturer datasheet.

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