W78E054D

SRAM 256
LDROM 2K
I/O 36
Timer 3*16-bit
UART 1
ISP/ICP/IAP Yes
Status Mass Production
INT 4
Special Function 6T/12T option , Extra I/O port

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