Renesas Electronics R5F21387CNFP#V0, 16bit R8C CPU Microcontroller, R8C / 38C, 20MHz, 4 (Flash) kB, 48 (ROM) kB Flash,

The R8C/3x Series offers high performance and ease of use microcontrollers.

Maximum operating frequency 20MHz
Operating voltage range 1.8V to 5.5V
Built-in features provide more powerful support for advanced system development, such as a DTC (Data Transfer Controller) and data flash with BGO (Back-Ground Operation) function

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.