SH7050 Datasheet, PDF (816/841 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH RISC engine Family/

Appendix A On-Chip Supporting Module Registers
Bus Control Register 2 (BCR2)
H'FFFF8622
Bit:
Bit name:
Initial value:
R/W:
15
IW31
1
R/W
14
IW30
1
R/W
13
IW21
1
R/W
12
IW20
1
R/W
11
IW11
1
R/W
8/16/32
10
IW10
1
R/W
9
IW01
1
R/W
BSC
8
IW00
1
R/W
Bit:
Bit name:
Initial value:
R/W:
7
CW3
1
R/W
6
CW2
1
R/W
5
CW1
1
R/W
4
CW0
1
R/W
3
SW3
1
R/W
2
SW2
1
R/W
1
SW1
1
R/W
0
SW0
1
R/W
Bit
Bit Name
Value Description
15
Inter-cycle idle specification 0 0 No CS3 space idle cycle
14
(IW31, IW30)
1 One CS3 space idle cycle
1 0 Two CS3 space idle cycles
1 Three CS3 space idle cycles
value)
13
Inter-cycle idle specification 0 0 No CS2 space idle cycle
12
(IW21, IW20)
1 One CS2 space idle cycle
1 0 Two CS2 space idle cycles
1 Three CS2 space idle cycles
value)
11
Inter-cycle idle specification 0 0 No CS1 space idle cycle
10
(IW11, IW10)
1 One CS1 space idle cycle
1 0 Two CS1 space idle cycles
1 Three CS1 space idle cycles
value)
9
Inter-cycle idle specification 0 0 No CS0 space idle cycle
8
(IW01, IW00)
1 One CS0 space idle cycle
1 0 Two CS0 space idle cycles
1 Three CS0 space idle cycles
value)
(Initial
(Initial
(Initial
(Initial
Rev. 5.00 Jan 06, 2006 page 796 of 818
REJ09B0273-0500