h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 109

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

All I/O ports are available for use as input-output ports.
3.4
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
Legend:
P: I/O port
A: Address bus output
D: Data bus I/O
C: Control signals, clock I/O
*: After reset
3.5
A address maps of the H8S/2646 Group are shown in figures 3.1 (1) and 3.1 (2).
The address space is 16 Mbytes 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.
Port
Port A
Port B
Port C
Port D
Port E
Port F
Pin Functions in Each Operating Mode
Address Map in Each Operating Mode
Pin Functions in Each Mode
PF7
PF6 to PF4
PF3
PF2
Mode 4
A
A
A
D
P/D *
P/C *
C
P/C *
P * /C
Mode 5
A
A
A
D
P * /D
P/C *
C
P * /C
P * /C
Rev. 5.00 Sep 22, 2005 page 83 of 1136
Section 3 MCU Operating Modes
Mode 6
P * /A
P * /A
P * /A
D
P * /D
P/C *
C
P * /C
P * /C
REJ09B0257-0500
Mode 7
P
P
P
P
P
P * /C
P