R7FS3A77C3A01CFP#BA1

Microcontrollers Overview

The R7FS3A77C3A01CFP#BA1 is an ARM Cortex-M4 microcontroller from the Renesas Synergy S3A7 series. It features a 48 MHz processor speed, 1 MB of flash memory, and 192 kB of SRAM. The device operates within a voltage range of 1.6 V to 5.5 V and supports interfaces including CAN, I2C, QSPI, SCI, SPI, SSI, and USB. It includes a 14-bit ADC with 25 channels and a 12-bit DAC. Packaged in a 100-pin LQFP, it functions between -40°C and +105°C.

Microcontrollers Feature Summary

• Integrates an ARM Cortex-M4 core for efficient 32-bit processing.
• Supports wide input voltage operation from 1.6 V to 5.5 V.
• Includes multiple communication peripherals such as USB, CAN, and Ethernet-capable interfaces.
• Features high-resolution analog-to-digital conversion with 25 available channels.

Microcontrollers Applications

• Industrial control systems requiring robust peripheral connectivity
• Smart home appliances utilizing low-voltage operation
• Medical devices needing precise analog signal acquisition
• Automotive body electronics and infotainment subsystems

Microcontrollers Procurement Notes

Verify the suffix #BA1 against official Renesas documentation to confirm specific package or temperature grade variations. Ensure compatibility with existing PCB footprints for the 100-LQFP form factor. Cross-reference datasheet revisions to validate interface availability and electrical characteristics prior to final procurement decisions.

Microcontrollers Selection Notes

Select this component when a balance of moderate processing power and extensive analog capabilities is required. The wide voltage range simplifies power supply design across various industrial standards. Evaluate pin count requirements against the 82 available I/O lines to ensure sufficient connectivity for target application sensors and actuators without excessive board space usage.

Microcontrollers Part Context

This part belongs to the Renesas Synergy S3A7 family, designed for cost-sensitive applications requiring reliable performance. It shares architectural similarities with other S3 series MCUs but offers specific memory and peripheral configurations tailored for general-purpose embedded control tasks within the broader Renesas portfolio.

Microcontrollers Replacement Considerations

Consult official substitution guides for equivalent S3A7 variants with differing memory sizes. Verify pin-to-pin compatibility before considering alternative packages within the same series. Do not assume functional equivalence with higher-performance S5 or S7 series parts without detailed specification review.

Microcontrollers FAQ

Does the R7FS3A77C3A01CFP#BA1 support Ethernet communication?

Yes, the datasheet lists Ethernet among its supported interface types alongside CAN, I2C, and USB.

What is the maximum operating frequency of this microcontroller?

The maximum clock frequency specified for this device is 48 MHz.