MG51FB9AE

SRAM 256+1K
Data Flash Shared with APROM
LDROM 4K
I/O 18
Timer 4*16-bit
UART 2
SPI 1
I2C 1
PWM 6*16-bit
ADC 8
ISP/ICP/IAP Yes
Status Mass Production
INT 10
Special Function 1T 8051 , 24 MHz internal RC , on-chip debugger

The NuMicro MG51 series is an embedded Flash type 1T 8051-based microcontroller.