HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 29

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

Table 1-3 Pin Functions (cont)
Type
I/O ports
Symbol
P5
P6
P7
P8
P9
PA
PB
3
6
7
4
5
7
7
to P5
to P6
to P7
to P8
to P9
to PA
to PB
0
0
0
0
0
0
0
Pin No.
56 to 53
72 to 69,
60 to 58
85 to 78
91 to 87
17 to 12
100 to 93
9 to 2
I/O
Input/
output
Input/
output
Input
Input/
output
Input/
output
Input/
output
Input/
output
14
Name and Function
Port 5: Four input/output pins. The direction of
each pin can be selected in the port 5 data
direction register (P5DDR).
Port 6: Seven input/output pins. The direction
of each pin can be selected in the port 6 data
direction register (P6DDR).
Port 7: Eight input pins
Port 8: Five input/output pins. The direction of
each pin can be selected in the port 8 data
direction register (P8DDR).
Port 9: Six input/output pins. The direction of
each pin can be selected in the port 9 data
direction register (P9DDR).
Port A: Eight input/output pins. The direction of
each pin can be selected in the port A data
direction register (PADDR).
Port B: Eight input/output pins. The direction of
each pin can be selected in the port B data
direction register (PBDDR).