HD6435348R Hitachi Semiconductor, HD6435348R Datasheet - Page 475
HD6435348R
Manufacturer Part Number
HD6435348R
Description
Single-Chip Microcomputer
Manufacturer
Hitachi Semiconductor
Datasheet
1.HD6435348R.pdf
(487 pages)
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E.1 Port State of Each Pin State
Table E-1 Port State
Port
Pin Name
P1
TMO, IRQ
WAIT, BREQ,
BACK
P1
P1
P2
WR, RD, DS,
R/W, AS
P3
D
P4
A
P5
A
7
15
7
7
1
0
4
7
7
7
to A
to D
/E
/ø
to A
to P1
to P2
to P3
to P4
to P5
0
0
8
2
0
0
0
0
1
, IRQ
0
Mode Reset
1
2
3
4
7
1
2
3
4
7
1
2
3
4
7
1
2
3
4
7
1
2
3
4
7
1
2
3
4
7
T
Clock
output
T
T
L
T
L
T
L
T
H
Appendix E Pin States
Hardware
Standby
Mode
T
T
T
T
T
Software
Standby Mode Sleep Mode
keep
keep
(DDR = 1)
ø = H
E = L
(DDR = 0)
T
T
keep
T
keep
T
keep
T
T
T
T
keep
*6
*6
*1
*2
465
keep
keep
(DDR = 1)
Clock output Clock output Clock output
(DDR = 0)
T
H
keep
T
keep
L
keep
L
*5
L
*5
keep
*3
Bus
Release Mode State (Normal Operation)
keep
——
(DDR = 1)
(DDR = 0)
T
——
T
——
T
——
T
——
T
T
T
T
——
*6
*6
*4
(Continued on next page)
Program Execution
Input/output port or
control signal Input/
output
Input/output port
(DDR = 1)
(DDR = 0)
Input port
WR, RD, DS,
R/W, AS
Input/output port
D
Input/output port
A
Input/output port
A
Address bus or input port
A
Address bus or input port
Input/output port
7
15
15
7
to A
to D
to A
to A
0
0
8
8
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