HD6413008F RENESAS [Renesas Technology Corp], HD6413008F Datasheet - Page 99

• Manufacturer Part Number: HD6413008F
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
• Manufacturer: RENESAS [Renesas Technology Corp]

3.1
3.1.1
The H8/3008 has four operating modes (modes 1 to 4) that are selected by the mode pins (MD
MD
the initial bus mode.
Table 3.1
Operating
Mode
⎯
Mode 1
Mode 2
Mode 3
Mode 4
⎯
⎯
⎯
Notes: 1. In modes 1 to 4, an 8-bit or 16-bit data bus can be selected on a per-area basis by
For the address space size there are two choices: 1 Mbyte or 16 Mbyte. The external data bus is
either 8 or 16 bits wide depending on ABWCR settings. 8-bit bus mode is used only if 8-bit access
is selected for all areas. For details see section 6, Bus Controller.
0
) as indicated in table 3.1. The input at these pins determines the size of the address space and
2. If the RAME bit in SYSCR is cleared to 0, these addresses become external addresses.
Overview
Operating Mode Selection
settings made in the area bus width control register (ABWCR). For details see
section 6, Bus Controller.
MD
0
0
0
0
1
1
1
1
Operating Mode Selection
2
Mode Pins
MD
0
0
1
1
0
0
1
1
Section 3 MCU Operating Modes
1
MD
0
1
0
1
0
1
0
1
0
Address
Space
Setting
prohibited
Expanded
mode
Expanded
mode
Expanded
mode
Expanded
mode
Setting
prohibited
Setting
prohibited
Setting
prohibited
Initial Bus
Mode*
Setting
prohibited
8 bits
16 bits
8 bits
16 bits
Setting
prohibited
Setting
prohibited
Setting
prohibited
1
Rev.4.00 Aug. 20, 2007 Page 55 of 638
Description
On-Chip ROM On-Chip RAM
Setting
prohibited
Disabled
Disabled
Disabled
Disabled
Setting
prohibited
Setting
prohibited
Setting
prohibited
3. MCU Operating Modes
REJ09B0395-0400
Setting
prohibited
Enabled*
Enabled*
Enabled*
Enabled*
Setting
prohibited
Setting
prohibited
Setting
prohibited
2
2
2
2
2
to