W78ERD2A

SRAM 256+1K
I/O 36
Timer 3*16-bit
UART 1
PWM 5*8-bit
Status Mass Production

The Nuvoton standard 8051 series is pin-compatible with traditional 12T 8051 and operating at 2.4V ~ 5.5V and - 40 ℃ ~ 85 ℃.