CY9AF421KWQN-G-JNE2

Microcontrollers Overview

The CY9AF421KWQN-G-JNE2 is a 32-bit microcontroller from the Infineon FM3 MB9A420L series, built on an ARM Cortex-M3 core. It features 64 Kbytes of Flash memory and 8 Kbytes of SRAM. The device operates at up to 40 MHz with a supply voltage range of 2.7 V to 5.5 V. It includes one CAN interface, four multi-function serial interfaces (UART/CSIO/LIN/I2C), eight 12-bit ADC channels, and one 10-bit DAC. The component is housed in a 48-pin QFN package.

Microcontrollers Feature Summary

• Supports low-power consumption modes including Sleep, Timer, RTC, and Stop states.
• Includes hardware and software watchdog timers for system reliability.
• Features port relocation capabilities for flexible peripheral pin assignment.

Microcontrollers Applications

• Embedded controllers requiring low power consumption
• Industrial control systems
• Automotive body electronics

Microcontrollers Procurement Notes

Verify the specific ordering suffix against official documentation to ensure correct package and temperature grade. Confirm moisture sensitivity levels and handling precautions prior to assembly. Check for any product discontinuation notices or alternative part recommendations from the manufacturer.

Microcontrollers Selection Notes

Select this component when a compact 48-pin solution is required for applications needing CAN bus connectivity and multiple serial communication channels. Ensure the design accommodates the 2.7 V to 5.5 V operating voltage range and utilizes the available GPIO count for the specific application requirements.

Microcontrollers Part Context

This part belongs to the CY9A420L Series within the FM3 family. It shares architectural similarities with other members like the CY9AF421LWQN-G-JNE2 but differs in pin count and I/O availability. The series is designed for cost-effective embedded control applications.

Microcontrollers Replacement Considerations

Consult official datasheets for cross-reference options within the same FM3 family. Verify functional compatibility regarding memory size, peripheral sets, and package dimensions before substitution.