The R8C/3MU 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
- 16-bit Input Capture/Output Compare Timer (Timer RC): 1
- UART/Clock Synchronous Serial Interface: 4 channels
- I2C-bus Interface (IIC)/Synchronous Serial Communication Unit: 1 channel
- LIN Module: 1 channel (Timer RA, UART0)
- USB Module (Peripheral): Full-speed (12 Mbps, USB 2.0 specification compliant)
- Comparator: 2
- : 1 channel
- Watchdog Timer
- Clock Generating Circuits: XIN Clock Generation Circuit, On-chip Oscillator (High/Low Speed), PLL Frequency Synthesizer
- Oscillation Stop Detection Function
- I/O Ports: 30 (incl. LED drive ports)
- External Interrupt Pins: 9
- : 4 KB
- Peripherals (USB applicable), audio components, cameras, televisions, household appliances, office equipment, communication devices, mobile devices, industrial equipment, and other applications.