HD643303x Hitachi, HD643303x Datasheet - Page 135

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

Table 7-1 Port Functions (1)
Port
Port 1
Port 2
Port 3
Port 5
Port 6
Port 7
Port 8
Port 9
Description
• 8-bit I/O port
• Can drive LEDs
• 8-bit I/O port
• Input pull-up
• Can drive LEDs
• 8-bit I/O port
• 4-bit I/O port
• Input pull-up
• Can drive LEDs
• 4-bit I/O port
• 8-bit input port
• 4-bit I/O port
• P8
• 3-bit I/O port
Schmitt inputs
2
to P8
0
have
Pins
P1
A
P2
A
P3
D
P5
A
P6
P6
P6
P6
P7
AN
P8
P8
P8
P8
P9
P9
P9
7
15
19
7
7
7
7
3
5
4
3
0
7
3
2
1
0
4
2
0
to A
to D
7
/WR,
/RD,
/AS
/WAIT
/IRQ
/IRQ
/IRQ
/IRQ
/SCK/IRQ
/RxD,
/TxD
to A
to A
to P1
to P2
to P3
to P5
to P7
to AN
0
0
8
16
3
2
1
0
,
,
0
0
0
0
0
0
/
/
/
/
/
4
Mode 1
Address output (A
A
DDR = 0:
generic input
DDR = 1:
address output
Address output (A
A
DDR = 0:
generic input
DDR = 1:
address output
Data input/output (D
to D
Address output (A
A
DDR = 0:
generic input
DDR = 1:
address output
Bus control signal
output (WR, RD, AS)
Bus control signal
output (WAIT) and
1-bit generic input/
output
Analog input (AN
IRQ
Input and output (SCK) for serial communication interface
(SCI), IRQ
Input and output (RxD and Txd) for SCI and 2-bit generic
input/output
0
8
16
) and generic input
) and generic input
) and generic input
3
8
120
)
to IRQ
4
0
input, and 1-bit generic input/output
input and 4-bit generic input/output
7
7
15
19
to AN
to
15
to
to
0
) to A/D converter, and generic input
Generic input/output
Generic input/output
Generic input/output
Generic input/output
Generic input/output
Mode 2
Mode 3