h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 225

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Table 7-3
7.3.3
The chip's memory interfaces comprise a basic bus interface that allows direct connection or
ROM, SRAM, and so on, and a burst ROM interface that allows direct connection of burst ROM.
The memory interface can be selected independently for each area.
An area for which the basic bus interface is designated functions as normal space, and an area for
which the burst ROM interface is designated functions as burst ROM space.
ABWCR
ABWn
0
1
Memory Interfaces
ASTCR
ASTn
0
1
0
1
Bus Specifications for Each Area (Basic Bus Interface)
Wn1
—
0
1
—
0
1
WCRH, WCRL
Wn0
—
0
1
0
1
—
0
1
0
1
Bus Width
16
8
Bus Specifications (Basic Bus Interface)
Rev. 6.00 Feb 22, 2005 page 165 of 1484
Access States
2
3
2
3
Section 7 Bus Controller
REJ09B0103-0600
Program Wait
States
0
0
1
2
3
0
0
1
2
3