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Overview

The R8C/Mx Series inherits the ease of use of the R8C/3x Series in a low-pin-count package with reduced current consumption not only during standby but also during operation. These products have a maximum operating frequency of 20 MHz and support a wide operating voltage range from 1.8 to 5.5 V. Standard on-chip peripherals include 16-bit Timers, UART/Clock Synchronous Serial Interface, , , High/Low-speed On-chip Oscillator, Watchdog Timer, etc.

  • SSOP and DIP package lineup of 14 and 20 pins, and LQFP package lineup of 32 pins
  • 2, 4, 8, or 16 KB on-chip Flash
  • 5 MHz operation at 1.8 V supply voltage, and 20 MHz operation from 2.7 V available
  • Data flash programming at 1.8 V supply voltage
  • Choice timers inherited from R8C/3x, 38000/740, and H8
  • On-chip and take the place of external reset IC
  • Built-in High-speed On-chip Oscillator takes the place of external oscillator

Key Applications

Small household appliances (shavers, electric toothbrushes, etc.) and white goods (vacuum cleaners, rice cookers, electric rice wamers, etc.)

R8C/M13B Group R8C/M11A Group R8C/M12A Group

 

Product Lineup:

Documents Tools Operating
Voltage
(V)
Max.
Frequency
(MHz)
Program
Memory
(KB)
Data
Flash
(KB)
RAM
(KB)
Pins
R8C/M11A
10-bit A/D Converter, Comparator, and Oscillation Stop Detection Function are added to standard peripherals. Maximum operating frequency is 20 MHz. 14-pin package is available. Data Flash (1 KB × 2 blocks) is embedded.
Development
Environment
1.8 - 5.5 20 2 - 8 2 .25 - .5 14
R8C/M12A
10-bit A/D Converter, Comparator, and Oscillation Stop Detection Function are added to standard peripherals. Maximum operating frequency is 20 MHz. 20-pin package is available. Data Flash (1 KB × 2 blocks) is embedded.
Development
Environment
1.8 - 5.5 20 2 - 8 2 .25 - .5 20
R8C/M13B
IrDA Interface, Synchronous Serial Communication Unit (SSU), I<sup>2</sup>C-bus Interface (IIC), 10-bit A/D Converter, Comparator, and Oscillation Stop Detection Function are added to standard peripherals. Maximum operating frequency is 20 MHz. 32-pin package is available. Data Flash (1 KB × 2 blocks) is embedded.
Development
Environment
1.8 - 5.5 20 4 - 16 2 .375 - 1 32

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