MK7A20P Overview
Key Features
- RAM size: 72 Bytes z 76 single word instruction
- Stack level: 2
- 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
- Four kinds of external oscillation modes can be selected: RC, LS(Low Speed) Crystal, NS(Normal Speed) Crystal and HS(High Speed) Crystal
- Port B has signal toggle wake up function
- Built-in one 8 bit count up Timer/counter (TMR0) with 8 bit programmable prescaler