| Manufacturer | Renesas Electronics America |
| Series | R8C/3x/34M |
| Packaging | Tape & Reel (TR) |
| Part Status | Obsolete |
| Core Processor | R8C |
| Core Size | 16-Bit |
| Speed | 20MHz |
| Connectivity | I²C, LINbus, SIO, SSU, UART/USART |
| Peripherals | POR, PWM, Voltage Detect, WDT |
| Number of I/O | 43 |
| Program Memory Size | 24KB (24K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 4K x 8 |
| RAM Size | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8 V ~ 5.5 V |
| Data Converters | A/D 12x10b; D/A 2x8b |
| Oscillator Type | Internal |
| Operating Temperature | -20°C ~ 85°C (TA) |
| Package / Case | 48-LQFP |
| Supplier Device Package | 48-LFQFP (7x7) |
| Base Part Number | R5F21345 |
IC MCU 16BIT 24KB FLASH 48LFQFP - R8C R8C/3x/34M Microcontroller IC 16-Bit 20MHz 24KB (24K x 8) FLASH 48-LFQFP (7x7)
Integrated circuits R5F21345MNFP#X4
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