HD6475348R Datasheet, PDF (475/487 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

Appendix E Pin States
E.1 Port State of Each Pin State
Table E-1 Port State
Port
Pin Name
Mode Reset
P17 to P12
1
TMO, IRQ1, IRQ0 2
WAIT, BREQ, 3 T
BACK
4
7
P11/E
1
P10/ø
2 Clock
3 output
4
7
P24 to P20
1
WR, RD, DS, 2 H
R/W, AS
3
4
7T
P37 to P30
1
D7 to D0
2
3T
4
7
P47 to P40
1
A7 to A0
2L
3
4
7T
P57 to P50
1L
A15 to A8
2T
3L
4T
7
Hardware
Standby
Mode
T
T
T
T
T
Software
Standby Mode Sleep Mode
keep^*1
keep^*3
Bus
Program Execution
Release Mode State (Normal Operation)
Input/output port or
control signal Input/
keep^*4
output
keep^*2
(DDR = 1)
ø=H
E=L
(DDR = 0)
T
T
keep
——
Input/output port
(DDR = 1) (DDR = 1) (DDR = 1)
Clock output Clock output Clock output
(DDR = 0) (DDR = 0) (DDR = 0)
T
T
Input port
——
WR, RD, DS,
H
T
R/W, AS
keep
T
keep
T
——
T
Input/output port
D7 to D0
keep
T
keep
L
——
T
Input/output port
A7 to A0
keep
T
T^*6
T
T^*6
keep
keep
L
*5
L
*5
keep
——
T
T^*6
T
T^*6
——
Input/output port
A15 to A8
Address bus or input port
A15 to A8
Address bus or input port
Input/output port
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