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Table 1-3. Pin Functions (4)
Type
Symbol
General-
P1
to P1
7
0
purpose
I/O
P2
to P2
7
0
P3
to P3
7
0
P4
to P4
7
0
P5
to P5
2
0
P6
to P6
7
0
P7
to P7
7
0
Pin No.
DC-64S
DP-64S FP-64A CP-68
49 to 56 41 to 48 53 to 60
40 to 47 32 to 39 43 to 50
57 to 64 49 to 56 61 to 68
1 to 8
57 to 64 2 to 9
9 to 11
1 to 3
10 to 12
31 to 38 23 to 30 33, 34,
36 to 41
22 to 29 14 to 21 24 to 31
I/O Name and function
I/O Port 1: An 8-bit input/output port with
programmable MOS input pull-ups and
LED driving capability. The direction of
each bit can be selected in the port 1 data
direction register (P1DDR).
I/O Port 2: An 8-bit input/output port with
programmable MOS input pull-ups and
LED driving capability. The direction of
each bit can be selected in the port 2 data
direction register (P2DDR).
I/O Port 3: An 8-bit input/output port with
programmable MOS input pull-ups. The
direction of each bit can be selected in the
port 3 data direction register (P3DDR).
I/O Port 4: An 8-bit input/output port. The
direction of each bit can be selected in the
port 4 data direction register (P4DDR).
I/O Port 5: A 3-bit input/output port. The
direction of each bit can be selected in the
port 5 data direction register (P5DDR).
I/O Port 6: An 8-bit input/output port. The
direction of each bit can be selected in the
port 6 data direction register (P6DDR).
I
Port 7: An 8-bit input port.
14
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