BETACPU
CPUCPU core
PIC16C621 peripherals
Each block of the PIC16C621: what it is, the registers that control it and the pins it uses.
PORTA
PORTI/O port A
Registers
PORTB
PORTI/O port B
Registers
COMPARATOR
COMPARATORComparators and voltage reference
Registers
INTERRUPT
INTERRUPTInterrupts
Registers
Pins
OSCILLATOR
OSCILLATOROscillator, power control and watchdog
Registers
Pins
TMR0
TMRTimer0