HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 798

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

BCRH—Bus Control Register H
Bit
Initial value
Read/Write
:
:
:
ICIS1
R/W
Idle Cycle Insert 1
7
1
0
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
R/W
Idle Cycle Insert 0
6
1
0
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
Area 0 Burst ROM Enable
R/W
5
0
0
1
Area 0 is basic bus interface
Area 0 is burst ROM interface
BRSTS1
R/W
Burst Cycle Select 1
4
1
0
1
H'FED4
Burst cycle comprises 1 state
Burst cycle comprises 2 states
BRSTS0
R/W
Burst Cycle Select 0
3
0
0
1
Max. 4 words in burst access
Max. 8 words in burst access
R/W
—
2
0
Reserved
Only 0 should be written
to these bits
R/W
—
1
0
Bus Controller
R/W
—
0
0
789