CY91F522KWBPMC-GSE2

Microcontrollers Overview

The CY91F522KWBPMC-GSE2 is a 32-bit automotive microcontroller from the Infineon MB91520 series, utilizing the FR81S CPU core. It features 320 kB of program flash memory and 48 kB of main RAM. The device operates at a maximum frequency of 80 MHz with a supply voltage range of 2.7 V to 5.5 V. It includes an integrated floating-point unit (FPU), 48-channel 12-bit ADC, and three CAN controllers. The component is housed in a 144-pin LQFP package and supports AEC-Q100 qualification for automotive applications.

Microcontrollers Feature Summary

• FR81S CPU core with Harvard architecture and IEEE754 compliant FPU
• Integrated CAN controllers supporting up to 1 Mbps transfer speeds
• Built-in memory protection function (MPU) with eight configurable areas
• Comprehensive peripheral set including DMA, CRC generation, and watchdog timers

Microcontrollers Applications

• Automotive body control modules
• Instrument cluster systems
• Gateway devices in vehicle networks
• Safety-critical embedded control units

Microcontrollers Procurement Notes

Verify the specific ordering suffix against official documentation to confirm initial values for the clock supervisor and low-voltage detection reset functions. Confirm package type and revision level prior to procurement. Ensure compliance with RoHS directives and check for any product discontinuation notices or end-of-life notifications from the manufacturer before finalizing orders.

Microcontrollers Selection Notes

Select this component when designing automotive systems requiring high reliability and robust peripheral integration. The FR81S core offers instruction compatibility with the broader FR family, facilitating migration. Consider the available I/O count and memory capacity relative to system requirements. Verify that the operating temperature range meets the environmental conditions of the target application.

Microcontrollers Part Context

This microcontroller belongs to the MB91520 series, designed specifically for automotive environments. It integrates advanced safety features such as ECC for flash and RAM, alongside hardware watchdogs. The series supports various packages to accommodate different pin counts, ensuring flexibility for diverse board layouts while maintaining consistent core functionality across the lineup.

Microcontrollers Replacement Considerations

Consult official replacement guides for cross-referencing. Verify functional equivalence regarding pinout, memory size, and peripheral availability. Ensure that any substitute part maintains AEC-Q100 certification if required for the specific automotive application context.