R5F100EAANA#40

Product Overview

The R5F100EAANA#40 is a Renesas Electronics Corporation RL78/G13 microcontroller built on a 16-bit RL78 core and rated for operation up to 32 MHz. It provides 16 KB (16K x 8) of FLASH program memory, 2K x 8 of RAM, and 4K x 8 of EEPROM for embedded control tasks with defined memory requirements. The device offers 28 I/O, an internal oscillator, and a 1.6 V to 5.5 V supply range. It uses a 40-HWQFN (6x6) surface-mount package with an exposed pad, and it supports communication interfaces including CSI, I2C, LINbus, and UART/USART.

Key Features

• 16-bit RL78 core with 32 MHz speed
• 16 KB (16K x 8) FLASH program memory, 2K x 8 RAM, and 4K x 8 EEPROM
• 28 I/O and communication interfaces: CSI, I2C, LINbus, UART/USART
• Peripherals: DMA, LVD, POR, PWM, WDT
• A/D 9x8/10b data converter and internal oscillator
• 1.6 V to 5.5 V supply range and -40°C to 85°C (TA) operating temperature
• 40-HWQFN (6x6) surface-mount package with exposed pad

Applications

• Embedded control nodes that need 28 I/O for digital interfacing
• Sensor acquisition systems using the A/D 9x8/10b converter
• Serial communication endpoints using UART/USART, I2C, CSI, or LINbus
• PWM-controlled actuator or lighting interfaces

Design & Procurement Notes

For design planning, confirm that firmware fits within the 16 KB FLASH program memory and that application data fits within the 2K x 8 RAM and 4K x 8 EEPROM. The 1.6 V to 5.5 V supply range supports embedded boards, while the -40°C to 85°C (TA) range should be checked against the final enclosure and operating environment. The 40-HWQFN (6x6) exposed-pad package requires a surface-mount footprint and thermal pad connection consistent with the PCB stack-up. Communication choices should be mapped to the CSI, I2C, LINbus, and UART/USART interfaces, and peripheral use should account for DMA, LVD, POR, PWM, and WDT functions. Because the oscillator is internal, clock configuration and timing margins should be validated against the 32 MHz speed specification.