HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 98

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

3.4
The pin functions of ports 1 and A to F vary depending on the operating mode. Table 3.3 shows
their functions in each operating mode.
Table 3.3
Port
Port 1
Port A
Port B
Port C
Port D
Port E
Port F
Legend
P: I/O port
T: Timer I/O
A: Address bus output
D: Data bus I/O
C: Control signals, clock I/O
Notes: 1. After reset
78
2. Not used on F-ZTAT.
3. Not used on ROMless version.
4. Applies to F-ZTAT version only.
P1
PA
PF
PF
PF
Pin Functions in Each Operating Mode
3
3
7
6
2
to P1
to PA
to PF
to PF
Pin Functions in Each Mode
0
3
0
0
Mode 1 *
P *
P
A
A
D
P *
P/C *
C
P *
1
1
1
/T
/D
/C
1
2
Mode 2 *
P *
P
P *
P *
D
P *
P/C *
C
P *
1
1
1
1
1
/T
/A
/A
/D
/C
1
3
Mode 3 *
P *
P
P
P
P
P
P *
P
1
1
/T
/C
3
Mode 4
P *
A
A
A
D
P/D
P/C *
C
P *
1
1
/T/A
/C
1
Mode 5
P *
A
A
A
D
P *
P/C *
C
P *
1
1
1
/T/A
/D
/C
1
Mode 6 *
Mode 10 *
Mode 14 *
P *
P *
P *
P *
D
P *
P/C *
C
P *
1
1
1
1
1
1
/T/A
/A
/A
/A
/D
/C
1
3
4
4
Mode 7 *
Mode 11 *
Mode 15 *
P *
P
P
P
P
P
P *
P
1
1
/T
/C
3
4
4