h8s-2169 Renesas Electronics Corporation., h8s-2169 Datasheet - Page 115

• Manufacturer Part Number: h8s-2169
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

3.4
The pin functions of ports 1 to 3, 9, A, and B 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
Figure 3.1 shows memory maps for each of the operating modes.
The address space is 64 kbytes in modes 1 and 3 (normal modes), and 16 Mbytes in mode 2
(advanced mode).
The on-chip ROM capacity is 64 kbytes, but only 56 kbytes are available in mode 3 (normal
mode).
Do not access reserved area.
For details, see section 6, Bus Controller.
Port
Port 1
Port 2
Port A
Port 3
Port B
Port 9
Ports C to G
Memory Map in Each Operating Mode
Pin Functions in Each Operating Mode
P97
P96
P95 to P93
P92 and P91
P90
Pin Functions in Each Mode
Mode 1
A
A
P
D
P * /D
P * /C
C * /P
C
P
P * /C
P
Mode 2
P * /A
P * /A
P * /A
P * /D
P * /D
P * /C
P * /C
P * /C
P
P * /C
P
Rev. 3.00 Jan 18, 2006 page 87 of 1044
Section 3 MCU Operating Modes
Mode 3
P * /A
P * /A
P
P * /D
P * /D
P * /C
P * /C
P * /C
P
P * /C
P
REJ09B0280-0300