Datasheet Summary
8 bit microcontroller
1. Feature z ROM size: 2,048 Words OTP ROM z RAM size: 72 Bytes z 76 single word instruction z Stack level: 2 z I/O ports: 20
- Port B: 8 pull high I/O pin and has wake up function
- Port A0~3: 4 normal I/O pin
- Port C0~7: 8 normal I/O pin
- RTCC: input pin z Four kinds of external oscillation modes can be selected: RC, LS(Low Speed) Crystal, NS(Normal Speed) Crystal and HS(High Speed) Crystal z Port B has signal toggle wake up function z Built-in one 8 bit count up Timer/counter (TMR0) with 8 bit programmable prescaler z Built-in Watchdog Timer z Operation Voltage: 2.2V 5.5V z Different Package Type: MK7A20PD28C: 28 pin DIP MK7A20PSD28C: 28 pin SDIP...