h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 1048

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

Appendix B Internal I/O Register
BCRH—Bus Control Register H
Rev. 5.00 Sep 22, 2005 page 1022 of 1136
REJ09B0257-0500
Bit
Initial value
Read/Write
ICIS1
Idle Cycle Insert 1
R/W
0
1
7
1
Idle cycle not inserted in case of successive external
read cycles in different areas
Idle cycle inserted in case of successive external
read cycles in different areas
ICIS0
Idle Cycle Insert 0
R/W
0
1
6
1
Idle cycle not inserted in case of successive external
read and external write cycles
Idle cycle inserted in case of successive external
read and external write cycles
BRSTRM
Burst ROM Enable
R/W
0
1
5
0
Area 0 is basic bus interface
Area 0 is burst ROM interface
BRSTS1
Burst Cycle Select 1
R/W
0
1
4
1
Burst cycle comprises 1 state
Burst cycle comprises 2 states
BRSTS0
H'FED4
Burst Cycle Select 0
R/W
0
1
3
0
Max. 4 words in burst access
Max. 8 words in burst access
R/W
—
2
0
R/W
—
1
0
Bus Controller
R/W
—
0
0