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Table 1-3 Pin Functions (cont)
Type
Symbol
I/O ports
P9
5
P9
0
PA
PA
PB
to PB
14
Pin No.
to
72, 11
71, 10
70, 9
to
80 to 73
7
0
, PB
8, 6to1
7
5
0
I/O
Name and Function
Input/
Port 9: Six input/output pins. The direction
output
of each pin can be selected in the port 9
data direction register (P9DDR).
Input/
Port A: Eight input/output pins. The
output
direction of each pin can be selected in the
port A data direction register (PADDR).
Input/
Port B: Seven input/output pins. The
output
direction of each pin can be selected in the
port B data direction register (PBDDR).
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