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Table 1.2
Pin Functions (cont)
Type
Symbol
I/O ports
PB
to
7
PB
4
PA
to
3
PA
0
PE
, PE
3
P1
to
7
P1
0
P2
7
P2
to
6
P2
0
P5
to
7
P5
0
P6
to
7
P6
0
P7
to
7
P7
0
P8
to
7
P8
0
P9
to
7
P9
0
10
Pin No.
TFP-80F
TFP-80C
FP-80B
76 to 79
78 to 80,
1
27 to 30
29 to 32
72, 71
74, 73
2
17 to 24
19 to 26
16
18
15 to 9
17 to 11
38 to 31
40 to 33
46 to 39
48 to 41
54 to 47
56 to 49
62 to 55
64 to 57
70 to 63
72 to 65
I/O
Name and Functions
Input
Port B: This is a 4-bit input port
I/O
Port A: This is a 4-bit I/O port. Input or
output can be designated for each bit by
means of port control register A (PCRA).
I/O
Port E: This is a 2-bit I/O port. Input or
output can be designated for each bit by
means of port control register E (PCRE).
I/O
Port 1: This is an 8-bit I/O port. Input or
output can be designated for each bit be
means of port control register 1 (PCR1).
Input
Port 2 (bit 7): This is a 1-bit input port.
I/O
Port 2 (bits 6 to 0): This is a 7-bit I/O
port. Input or output can be designated
for each bit by means of port control
register 2 (PCR2).
I/O
Port 5: This is an 8-bit I/O port. Input or
output can be designated for each bit by
means of port control register 5 (PCR5).
I/O
Port 6: This is an 8-bit I/O port. Input or
output can be designated for each bit by
means of port control register 6 (PCR6).
I/O
Port 7: This is an 8-bit I/O port. Input or
output can be designated for each bit by
means of port control register 7 (PCR7).
I/O
Port 8: This is an 8-bit I/O port. Input or
output can be designated for each bit by
means of port control register 8 (PCR8).
I/O
Port 9: This is an 8-bit I/O port. Input or
output can be designated for each bit by
means of port control register 9 (PCR9).
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