R7FS3A37A3A01CFB#BA0

Microcontrollers Overview

The R7FS3A37A3A01CFB#BA0 is a Renesas Synergy S3 microcontroller featuring an ARM Cortex-M4 core operating at 48 MHz. It integrates 512 KB of flash memory and 96 KB of SRAM within a 144-pin LQFP package. The device supports a supply voltage range of 1.6 V to 5.5 V and includes 124 I/O ports. Key peripherals include a 14-bit ADC with 28 channels, a 12-bit DAC, USB 2.0 full-speed interface, CAN, SPI, I2C, and SCI. It operates between -40°C and +105°C.

Microcontrollers Feature Summary

• Integrates a 48 MHz ARM Cortex-M4 processor for efficient code execution.
• Includes a Capacitive Touch Sensing Unit (CTSU) for user interface applications.
• Features a Segment LCD controller for display management.
• Provides hardware security modules including AES and TRNG.

Microcontrollers Applications

• Portable medical devices
• Fitness trackers
• Smart connected sensors

Microcontrollers Procurement Notes

Verify the specific suffix #BA0 against official Renesas documentation, as standard listings often reference #AA0 or #AC0 variants. Confirm pin compatibility and package dimensions for the 144-LQFP form factor. Ensure the selected variant matches the required operating temperature range and voltage specifications for the target application environment.

Microcontrollers Selection Notes

Select this component when a balance of moderate memory capacity and extensive analog connectivity is required. The 144-pin package offers significant I/O availability compared to smaller footprints. Consider the 48 MHz clock speed sufficient for sensor processing tasks without requiring higher-performance cores from the S5 series.

Microcontrollers Part Context

This part belongs to the Renesas Synergy S3 family, designed for low-power, high-performance embedded applications. The S3 series emphasizes smart sensor integration and energy efficiency. It utilizes the Synergy Software Package (SSP) for development, supporting various RTOS options and middleware libraries for rapid system integration.

Microcontrollers Replacement Considerations

R7FS3A37A3A01CFP#AA0: Different package (100-LQFP vs 144-LQFP). R7FS3A77C3A01CFB#AA1: Higher memory (1MB Flash), different pin count (144-LQFP but distinct peripheral set). Verify electrical and mechanical compatibility before substitution.