HD643303x Hitachi, HD643303x Datasheet - Page 567

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

Table D-1 Port States (cont)
Pin
Name
P7
P8
P9
P9
PA
PB
Legend
H:
L:
T:
keep: Input pins are in the high-impedance state; output pins maintain their previous state.
DDR: Data direction register bit
7
3
4
0
7
7
, P9
to P7
to P8
to PA
to PB
High
Low
High-impedance state
2
,
0
0
0
0
Mode
1 to 3
1 to 3
1 to 3
1 to 3
1 to 3
Reset
State
T
T
T
T
T
Hardware Software
Standby
Mode
T
T
T
T
T
551
Standby
Mode
T
keep
keep
keep
keep
Sleep
Mode
T
keep
keep
keep
keep
Program
Execution
Input port
I/O port
I/O port
I/O port
I/O port
Sleep Mode