The R8C/22 is based on the R8C CPU Core and has 1MB of memory space. Maximum operating frequency is 20MHz. A Flash Memory Version is available. Internal Flash Memory is programmable on a single power source.

Key Features:

• 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 (SSU): 1 channel
• LIN Module: 1 channel (Timer RA, UART0)
• CAN Module (2.0B): 1 channel, 16 slots
• 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

Key Applications:

Automotive, etc.

Hardware Manuals

R8C/22

R8C Product Overview

R8C Family Overview

R8C CPU Core Architecture

Quick HEW Demonstration

HEW Installation and Administration