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H8S2245 Datasheet, PDF (119/818 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
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Section 3 MCU Operating Modes
3.3.7 Mode 7
The CPU can access a 16-Mbyte address space in advanced mode. The on-chip ROM is enabled,
but external addresses cannot be accessed.
All I/O ports are available for use as input-output ports.
Note: Mode 7 cannot be used in the H8S/2240.
3.4 Pin Functions in Each Operating Mode
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 Pin Functions in Each Mode
Port
Mode 1
Port 1
Port A
Port B
P13 to P10
PA3 to PA0
P*1/T
P
A
Port C
A
Port D
D
Port E
P*1/D
Port F PF7
P/C*1
PF6 to PF3
PF2 to PF0
Legend:
C
P*1/C
P: I/O port
T: Timer I/O
A: Address bus output
D: Data bus I/O
C: Control signals, clock I/O
Mode 2*2 Mode 3*2 Mode 4
P*1/T
P*1/T
P*1/T/A
P
P
A
P*1/A
P
A
P*1/A
P
A
D
P
D
P*1/D
P
P/D*1
P/C*1
P*1/C
P/C*1
C
P
C
P*1/C
P*1/C
Mode 5
P*1/T/A
A
A
A
D
P*1/D
P/C*1
C
P*1/C
Mode 6*2 Mode 7*2
P*1/T/A P*1/T
P*1/A
P
P*1/A
P
P*1/A
P
D
P
P*1/D
P
P/C*1
P*1/C
C
P
P*1/C
Notes: 1. After reset
2. Cannot be used in the H8S/2240.
Rev.3.00 Mar. 26, 2007 Page 77 of 772
REJ09B0355-0300
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