CY9BF321LQN-G-AVE2

Microcontrollers Overview

The CY9BF321LQN-G-AVE2 is a 32-bit microcontroller from Infineon Technologies, part of the FM3 MB9B320M series. It features an ARM Cortex-M3 core operating at a maximum clock frequency of 72 MHz. The device includes 64 kB to 96 kB of Flash program memory and 16 kB of SRAM data RAM. It provides 50 general-purpose I/O pins and supports multiple communication interfaces including CSIO, I2C, LIN, UART, and USB. The unit operates within a supply voltage range of 2.7 V to 5.5 V and functions between -40°C and +105°C. It utilizes a 64-QFN package.

Microcontrollers Feature Summary

• Integrates an ARM Cortex-M3 processor core for efficient 32-bit execution
• Supports diverse peripheral connectivity via CSIO, I2C, LIN, UART, and USB interfaces
• Includes high-resolution analog-to-digital conversion with 23 channels at 12-bit resolution
• Features integrated digital-to-analog converters with 10-bit resolution

Microcontrollers Applications

• Industrial control systems requiring robust MCU performance
• Automotive applications utilizing LIN bus communication protocols
• Consumer electronics devices needing USB interface capabilities
• General-purpose embedded control tasks in harsh thermal environments

Microcontrollers Procurement Notes

Verify the specific datasheet revision and ordering suffix to ensure compatibility with required pinouts and software libraries. Confirm moisture sensitivity level handling procedures during assembly, as the component is humidity sensitive. Check for any regional export control classifications or RoHS compliance documentation relevant to your manufacturing location before finalizing procurement orders.

Microcontrollers Selection Notes

Select this component when a balance of processing speed and peripheral richness is required in a compact footprint. The 72 MHz Cortex-M3 core suits applications needing moderate computational power. Ensure the 64-QFN package fits the board space constraints. Compare against other MB9B320M variants if different memory sizes or I/O counts are needed for the specific design requirements.

Microcontrollers Part Context

This microcontroller belongs to the Infineon FM3 family, designed for high-performance embedded applications. The MB9B320M series targets automotive and industrial markets with enhanced reliability features. It builds upon legacy architectures while offering modern ARM Cortex-M3 efficiency. The CY9BF321 variant specifically addresses needs for moderate memory capacity with extensive analog and digital peripheral integration.