R7FA4M1AB3CNF#BA0

Microcontrollers Overview

The R7FA4M1AB3CNF#BA0 is a Renesas RA4M1 microcontroller featuring an ARM Cortex-M4 core operating at 48 MHz. It integrates 256 KB of flash memory and 32 KB of SRAM within a 40-HWQFN package. The device supports a supply voltage range of 1.6 V to 5.5 V and includes peripherals such as a 14-bit ADC, USB 2.0, CAN, and capacitive touch sensing.

Microcontrollers Feature Summary

• Integrates a high-performance ARM Cortex-M4 processor for efficient code execution
• Includes dedicated segment LCD controller and capacitive touch sensing unit for HMI applications
• Supports full-speed USB 2.0 and CAN communication interfaces
• Features low-power operation with multiple sleep modes

Microcontrollers Applications

• Human-machine interface (HMI) devices requiring segment LCD displays
• Consumer appliances with capacitive touch controls
• Industrial control systems utilizing CAN bus connectivity
• Portable battery-powered instruments

Microcontrollers Procurement Notes

Verify the specific suffix BA0 against official Renesas documentation to confirm pinout and packaging details. Ensure compatibility with existing PCB footprints and firmware libraries. Confirm availability through authorized distributors as stock levels fluctuate. Check for any recent product change notices affecting this specific variant.

Microcontrollers Selection Notes

Select this model when a balance of processing power and peripheral richness is required for HMI designs. The 48 MHz speed suits moderate complexity tasks. Compare with RA4M2 series if higher performance or TrustZone security is needed. Consider package constraints as the 40-pin QFN limits available I/O count compared to larger packages in the same family.

Microcontrollers Part Context

This component belongs to the Renesas RA4M1 group, designed specifically for cost-sensitive HMI applications. It shares the core architecture with other RA4M1 variants but differs in package type and I/O count. The RA4M1 series is part of the broader RA family, offering flexibility through the Flexible Software Package (FSP).

Microcontrollers Replacement Considerations

Direct substitutes include other RA4M1 variants with different packages, such as R7FA4M1AB3CFL#AA0 (LQFP-48) or R7FA4M1AB3CNB#AA0 (HWQFN-64), provided pin compatibility is verified. Cross-family replacements like RA4M2 offer higher performance but may require design adjustments.