Renesas Electronics R5F21237DFP#U0, 16bit R8C CPU Microcontroller, R8C, 20MHz, 2 (Flash) kB, 48 (ROM) kB Flash, ROM,

The R8C/2x Series includes models with built-in motor control timers for supporting advanced "system control + motor control" systems.

Maximum operating frequency of 20MHz
Operating voltage range 2.2V to 5.5V
Standard on-chip peripherals include 8-bit Multi-function Timers, 16-bit Timers, UART/Clock Synchronous Serial Interface, Voltage Detection Circuit, Power-On Reset Circuit, High/Low-speed On-chip Oscillator, Watchdog Timer
Features wide packages of 20-pins to 80-pins

R8C Family Microcontrollers, Renesas Electronics

The Renesas 16-bit CISC microcontrollers of the R8C Family features high ROM code efficiency, superb noise performance, low power consumption and a high processing performance. This includes the advantage of abundant on-chip peripherals such as comprehensive timer functions and various serial communication functions. The R8C Family also retains compatibility with the M16C Family, so software resources and development tools can be shared.
Renesas R8C Family supports a wide range of application fields like Automotive, Consumer Products, Office Equipment and Industrial Equipment.