![](http://datasheet.mmic.net.cn/280000/HF234BT100D3201_datasheet_16070274/HF234BT100D3201_40.png)
20
Table 1.3
Pin Functions (cont)
Pin No.
Type
Symbol
FP-100B,
TFP-100B,
TFP-100G
FP-100A
I/O
Name and Function
I/O ports
P3
5
to
P3
0
13 to 8
15 to 10
I/O
Port 3: A 6-bit I/O port. Input or
output can be designated for each bit
by means of the port 3 data direction
register (P3DDR).
P4
7
to
P4
0
PA
3
to
PA
0
86 to 79
88 to 81
Input
Port 4: An 8-bit input port.
53 to 50
55 to 52
I/O
Port A: An 4-bit I/O port. Input or
output can be designated for each bit
by means of the port A data direction
register (PADDR).
PB
7
to
PB
0
48 to 41
50 to 43
I/O
Port B: An 8-bit I/O port. Input or
output can be designated for each bit
by means of the port B data direction
register (PBDDR).
PC
7
to
PC
0
39 to 32
41 to 34
I/O
Port C: An 8-bit I/O port. Input or
output can be designated for each bit
by means of the port C data direction
register (PCDDR).
PD
7
to
PD
0
30 to 23
32 to 25
I/O
Port D: An 8-bit I/O port. Input or
output can be designated for each bit
by means of the port D data direction
register (PDDDR).
PE
7
to
PE
0
22 to 19,
17 to 14
24 to 21,
19 to 16
I/O
Port E: An 8-bit I/O port. Input or
output can be designated for each bit
by means of the port E data direction
register (PEDDR).
PF
7
to
PF
0
69 to 76
71 to 78
I/O
Port F: An 8-bit I/O port. Input or
output can be designated for each bit
by means of the port F data direction
register (PFDDR).
PG
4
to
PG
0
97 to 93
99 to 95
I/O
Port G: A 5-bit I/O port. Input or
output can be designated for each bit
by means of the port G data direction
register (PGDDR).
Notes: 1. F-ZTAT version only.
2. Applies to ZTAT, mask ROM, and ROMless versions only.