Description
The R8C/21 is based on the R8C CPU Core. Maximum operating frequency is 20 MHz. A Flash Memory Version is available. Internal Flash Memory is programmable on a single power source.
- 8-bit Multifunction Timer with 8-bit prescaler (Timer RA and RB): 2 channels
- Input Capture/Output Compare Timer (Timer RD): 16-bit x 2 channels
- Timer with compare match function (Timer RE): 1 channel
- UART/Clock Synchronous Serial Interface: 1 channel
- UART: 1 channel
- I2C-bus Interface (IIC)/Chip-select Clock Synchronous Serial Interface: 1 channel
- LIN Module: 1 channel (Timer RA, UART0)
- 10-bit A/D Converter: 12 channels
- Watchdog Timer
- Clock Generation Circuits: XIN Clock Generation Circuit, On-chip Oscillator (High/Low Speed)
- Oscillation Stop Detection Function
- Voltage Detection Circuit
- Power-On Reset Circuit
- I/O Ports: 41
- External Interrupt Pins: 8
- Data Flash: 2 KB
