Renesas RL78/G12 16-bit MCU, R5F10267ASM#35, 24 MHz core, 4 KB Flash, 512 x 8 RAM, 2K x 8 EEPROM, 14 I/O, 20-LSSOP, -40°C to 85°C.
| Parameter | Value |
|---|---|
| Series | RL78/G12 |
| Mounting | Surface Mount |
| Oscillator type | External, Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.8V ~ 5.5V |
| Operating temperature | -40°C ~ 85°C (TA) |
| Speed | 24MHz |
| Package | Tray |
| RAM size | 512 x 8 |
| Core size | 16-Bit |
| EEPROM size | 2K x 8 |
| Peripherals | DMA, LVD, POR, PWM, WDT |
| Connectivity | CSI, I²C, UART/USART |
| Number of i (O) | 14 |
| Core processor | RL78 |
| Case | 20-LSSOP (0.173\", 4.40mm Width) |
| Data converters | A/D 11x8/10b |
| Program memory size | 4KB (4K x 8) |
The R5F10267ASM#35: With 4 KB of Flash and 512 bytes of RAM, this MCU is sized for a single-purpose control loop — a fan speed controller, a temperature monitor with one-wire sensor, or a keypad decoder. If your firmware image exceeds 4 KB, you need to step up to the RL78/G13 or G14 family with larger Flash options.
The RL78/G14 part R5F104BEGFP#10 offers a 32 MHz core, 25 I/O, and −40°C to 105°C range, but it uses a different package (48-pin LQFP) and is not pin-compatible. Within the RL78/G12 family, the R5F10267ASP#35 is the same silicon in a different tray/tape variant — functionally identical, just a different shipping medium.