HD6433045 HITACHI [Hitachi Semiconductor], HD6433045 Datasheet - Page 257

• Manufacturer Part Number: HD6433045
• Description: Hitachi Single-Chip Microcomputer
• Manufacturer: HITACHI [Hitachi Semiconductor]

Table 9-1 Port Functions
Port
Port 1 • 8-bit I/O port
Port 2 • 8-bit I/O port
Port 3 • 8-bit I/O port
Port 4 • 8-bit I/O port
Port 5 • 4-bit I/O port
Port 6 • 7-bit I/O port
Port 7 • 8-bit I/O port
Port 8 • 5-bit I/O port
Description
• Can drive LEDs
• Input pull-up
• Can drive LEDs
• Input pull-up
• Input pull-up
• Can drive LEDs
• P8
MOS
MOS
MOS
Schmitt inputs
2
to P8
0
have
Pins
P1
A
P2
A
P3
D
P4
D
P5
A
P6
P6
P6
P6
P6
P6
P6
P7
P7
P7
AN
P8
P8
P8
P8
P8
7
15
19
15
7
7
7
7
7
3
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
to A
5
to D
/LWR,
/HWR,
/RD,
/AS
/BACK,
/BREQ,
/WAIT
/AN
/AN
/CS
/CS
/CS
/CS
/RFSH/IRQ
to A
to A
to D
to P1
to P2
to P3
to P4
to P5
to P7
to AN
0
0
7
6
0
1
2
3
8
16
8
/DA
/DA
/IRQ
/IRQ
/IRQ
0
0
0
0
0
0
0
/
/
/
/
/
/
1
0
,
3
2
1
,
,
0
Mode 1 Mode 2 Mode 3 Mode 4 Mode 5
Address output pins (A
Address output pins (A
Data input/output (D
Data input/output (D
8-bit bus mode: generic input/output
16-bit bus mode: data input/output
Address output (A
Bus control signal output (LWR, HWR, RD, AS)
Bus control signal input/output (BACK, BREQ, WAIT) and
3-bit generic input/output
Analog input (AN
from D/A converter, and generic input
Analog input (AN
DDR = 0: generic input
DDR = 1 (reset value): CS
IRQ
DDR = 0 (reset value): generic input
DDR = 1: CS
IRQ
3
0
to IRQ
input, RFSH output, and generic input/output
1
244
1
input, CS
to CS
7
5
19
, AN
to AN
15
7
3
to A
to D
output
6
7
15
to D
1
) to A/D converter, analog output (DA
0
to A
16
to CS
) to A/D converter, and generic input
to A
0
0
)
8
) and 8-bit generic input/output
)
output
0
)
8
3
)
output, and generic input
Address output (A
A
DDR = 0:
generic input
DDR = 1:
address output
Address output (A
A
DDR = 0:
generic input
DDR = 1:
address output
Address output (A
A
input DDR = 0:
generic input
DDR = 1:
address output
0
8
16
) and generic input
) and generic input
) and 4-bit generic
Mode 6
7
15
19
to
1
to
to
, DA
0
)
Mode 7
Generic
input/
output
Generic
input/
output
Generic
input/
output
Generic
input/
output
Generic
input/
output
Generic
input/
output
Generic
input/
output
IRQ
IRQ
input and
generic
input/
output
3
0
to