Table 1-4 Pin Functions (cont)
Pin No.
CP-84,
Type Symbol CG-84 FP-80A I/O Name and Function
Parallel P5
7 – P50 50 – 43 37 – 30 I/O Port 5: An 8-bit input/output port. The direction of
I/O each bit is determined by the port 5 data direction
register (P5DDR). These pins have built-in MOS
input pull-ups.
P6
3 – P60 54 – 51 41 – 38 I/O Port 6: A 4-bit input/output port. The direction of
each bit is determined by the port 6 data direction
register (P6DDR). These pins have built-in MOS
input pull-ups.
P7
7 – P70 63 – 56 50 – 43 I/O Port 7: An 8-bit input/output port. The direction of
each bit is determined by the port 7 data direction
register (P7DDR). These pins have Schmitt inputs.
P8
7 – P80 73 – 66 59 – 52 I Port 8: An 8-bit input port
P9
7 – P90 82 – 75 68 – 61 I/O Port 9: An 8-bit input/output port. The direction of
each bit is determined by the port 9 data direction
register (P9DDR).
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