Pin (Processor pin) [RabbitCore 2000 pin]

Function (serial ports disabled)

Function (serial ports enabled)

PC0 (60) [J2-15]

Parallel output

Serial port D, data out

PC1 (59) [J2-16]

Parallel input.

Serial port D, data in

PC2 (58) [J2-17]

Parallel output

Serial port C, data out

PC3 (57) [J2-18]

Parallel input

Serial port C, data in

PC4 (56) [J2-19]

Parallel output

Serial port B, data out

PC5 (55) [J2-20]

Parallel input

Serial port B, data in

PC6 (54) [J2-21]

Parallel output

Serial port A, data out

PC7 (51) [J2-22]

Parallel input

Serial port A, data in