HD6473258CP10 Datasheet, PDF (297/301 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

Appendix C. Pin States
C.1 Pin States in Each Mode
Table C-1. Pin States
Pin
Name
P17 to P10
A7 to A0
P27 to P20
A15 to A8
P37 to P30
D7 to D0
P47/E
P46/Ø
P45 to P40,
MCU
Mode
1
2
Reset
Low
3-State
3
1
Low
2
3-State
3
1
3-State
2
3
1
E clock
2
output
3
3-State
1
Clock
2
output
3
3-State
1
3-State
2
3
Hardware
Standby
3-State
3-State
3-State
Software Sleep
Standby Mode
Low
Prev. state
Low if (Addr.
DDR = 1, output pins:
Prev. state last address
if DDR = 0 accessed)
Prev. state
Low
Prev. state
Low if (Addr.
DDR = 1, output pins:
Prev. state last address
if DDR = 0 accessed)
Prev. state
3-state 3-State
Normal
Operation
Addr. output
Addr. output
or input port
I/O port
Addr. output
Addr. output
or input port
I/O port
D7 to D0
3-State
3-state
3-State
Prev. state
Low if
DDR = 1,
3-state if
DDR = 0
Prev. state
High
High if
DDR = 1,
3-state if
DDR = 0
Prev. state
(note 3)
Prev. state I/O port
E clock if E clock if
DDR = 1, DDR = 1,
3-state if Input port if
DDR = 0 DDR = 0
Prev. state I/O port
Clock
Clock
output
output
Clock output Clock output
if DDR = 1, if DDR = 1,
3-state if input port if
DDR = 0 DDR = 0
Prev. state I/O port
301