HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 222

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

Table 8.1
Port 4
Port A
Port B
Port C
Port D
Port Description
8-bit input
port
4-bit I/O
port
Built-in
MOS input
pull-up
Open-drain
output
capability
8-bit I/O
port
Built-in
MOS input
pull-up
8-bit I/O
port
Built-in
MOS input
pull-up
8-bit I/O
port
Built-in
MOS input
pull-up
Port Functions (cont)
P4
DA1
P4
DA0
P4
P4
P4
P4
P4
P4
PA
PA
PB
PB
PC
PC
PD
PD
7
6
5
4
3
2
1
0
3
0
7
0
7
0
7
0
/AN7/
/AN6/
/AN5
/AN4
/AN3
/AN2
/AN1
/AN0
/A
/A
/A
/A
/A
/A
/D
/D
Pins
19
16
15
8
7
0
15
8
to
to
to
to
8-bit input port also functioning as A/D converter analog inputs (AN7 to
AN0) and D/A converter analog outputs (DA1 and DA0)
I/O ports
Address
output
Address
output
Data bus input/
output
Mode
1 *
1
When
DDR = 0
(after
reset):
input port
When
DDR = 1:
address
output
When
DDR = 0
(after
reset):
input port
When
DDR = 1:
address
output
Mode
2 *
1,
*
2
I/O port
I/O port
I/O port
Mode
3 *
1,
*
2
Address output
Address output
Address output
Data bus input/output
Mode
4
Mode
5
When
DDR = 0
(after
reset):
input
ports
When
DDR = 1:
address
output
When
DDR = 0
(after
reset):
input port
When
DDR = 1:
address
output
When
DDR = 0
(after
reset):
input port
When
DDR = 1:
address
output
Mode
6 *
2
I/O ports
I/O port
I/O port
I/O port
Mode
7 *
205
2