Advertisement
3.4
Pin Functions in Each Operating Mode
The pin functions of ports A to F vary depending on the operating mode. Table 3-3 shows their
functions in each operating mode.
Table 3-3
Pin Functions in Each Mode
Port
Port 1
P1
0
P1
to P1
1
Port A
PA
to PA
4
Port B
Port C
Port D
Port E
Port F
PF
7
PF
to PF
6
PF
3
PF
to PF
2
Legend
P: I/O port
A: Address bus output
D: Data bus I/O
C: Control signals, clock I/O
*: After reset
3.5
Address Map in Each Operating Mode
A address map of the H8S/2633 is shown in figure 3.1, and a address map of the H8S/2632 in
figure 3-2.
The address space is 16 kbytes in modes 4 to 7 (advanced modes).
The address space is divided into eight areas for modes 4 to 7. For details, see section 7, Bus
Controller.
Mode 4
P/A*
P*/A
3
A
0
A
A
D
P/D*
P/C*
C
4
P/C*
P*/C
0
Mode 5
Mode 6
P/A*
P*/A
P*/A
P*/A
A
P*/A
A
P*/A
A
P*/A
D
D
P*/D
P*/D
P/C*
P/C*
C
C
P*/C
P*/C
P*/C
P*/C
Mode 7
P
P
P
P
P
P
P
P*/C
P
75
Advertisement
