The R8C/1B 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 X and Z): 2 channels
- Input Capture/Output Compare Timer (Timer C): 16-bit x 1 channel
- UART/Clock Synchronous Serial Interface: 1 channel
- UART: 1 channel
- I2C-bus™ Interface (IIC)/Chip-select Clock Synchronous Serial Interface: 1 channel
- 10-bit A/D Converter: 4 channels
- Watchdog Timer
- Clock Generation Circuits: Main Clock Generation Circuit, On-chip Oscillator (High/Low Speed)
- Oscillation Stop Detection Function
- Voltage Detection Circuit
- Power-On Reset Circuit
- I/O Ports: 13 (incl. LED drive ports)
- External Interrupt Pins: 7
- Data Flash: 2 KB
I2C-bus™: I2C is a trademark of Philips Semiconductors Corporation.
Below you will find information to support the development of your application.
You can find an explanation of orderable part numbers here.
Resources for Software and Hardware
|My Renesas||Create a My Renesas account to use our tool download services, receive e-newsletter/update notifications, and take advantage of our other services.|
|e-learning||Information for studying and learning about microcontrollers and microprocessors.|
|FAQ||Frequently asked questions and useful hints for development.|
|Forum||A forum and community site to share technical information, questions and opinions with others who use Renesas products.|
|Video||Watch videos related to this product.|
Software Design Support
|E8a||E8a is ideal for the modern development and prototyping environment with programming support for devices from all the main MCU families.|
|Renesas Starter Kit||All the development tools you need for MCU evaluation and getting started. Also recommended for training.|
Hardware Design Support
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