HD6435348R Hitachi Semiconductor, HD6435348R Datasheet - Page 159

• Manufacturer Part Number: HD6435348R
• Description: Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

Table 9-1 Input/Output Port Summary
Port
Port 1 8-Bit input/output P1
Port 2 5-Bit input/output P2
Port 3 8-Bit input/output P3
Port 4 8-Bit input/output P4
Port 5 8-Bit input/output P5
Port 6 4-Bit input/output P6
Description
port
port
port
Can drive a LED
port
Built-in input
pull-up (MOS)
port
Built-in input
pull-up (MOS)
Pins
P1
ADTRG
P1
P1
P1
P1
P1
P1
P2
P2
P2
P2
D
A
A
IRQ
P6
IRQ
P6
IRQ
P6
A
7
15
16
7
7
6
5
4
3
2
1
0
4
3
2
1
0
7
7
7
3
2
1
0
– A
– D
5
4
3
– A
/ TMO
/ IRQ
/ IRQ
/ WAIT These pins function as WAIT, BREQ,
/ BREQ and BACK when necessary control-
/ BACK register bits are set to 1.
/ E
/ ø
/ WR
/ RD
/ DS
/ R/W
/ AS
- P3
– P4
– P5
/ PW
/ PW
/ PW
/ IRQ
/ A
/ A
/ A
0
0
8
19
18
17
0
0
0
3
2
1
1
0
2
/
/ Low address bus (A
/ High
/ Output for PWM
/ 3, input for IRQ
/ input/output port. A
/ IRQ
/
Mode 1 Mode 2 Mode 3 Mode 4
These input/output pins double as IRQ
output pin (TMO) for the 8-bit timer.
These pins function as input pins or as
clock (E, ø) output pins, depending on
the data direction register setting.
Bus control signal outputs
(WR, RD, DS, R/W, AS)
Data bus (D
address address address address
bus
(A
timers 1, 2, and
to IRQ
A
8
15
)
0
–
, and ADTRG inputs, and as an
5
, and
142
High
bus if
DDR is (A
set to 1
Expanded Modes
7
– D
2
0
)
High
bus
Page
address address
bus
(A
A
7
8
16
15
19
– A
)
)
–
–
0
)
High
bus if
DDR is
set to 1
Page
bus if DDR
is set to 1,
input port
and IRQ
to IRQ
input pins if
DDR is set
to 0
5
2
1
,
Single-Chip Mode
(Mode 7)
Input/output
port
Input/output
port
Input/output
port
Input/output
port
Input/output
port
Input/output
port