HD6417144 RENESAS [Renesas Technology Corp], HD6417144 Datasheet - Page 196

• Manufacturer Part Number: HD6417144
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

9. Bus State Controller (BSC)
9.5.3
WCR1 is a 16-bit readable/writable register that specifies the number of wait cycles (0 to 15) for
each CS space.
Rev.4.00 Mar. 27, 2008 Page 152 of 882
REJ09B0108-0400
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Bit Name
W33
W32
W31
W30
W23
W22
W21
W20
W13
W12
W11
W10
W03
W02
W01
W00
Wait Control Register 1 (WCR1)
Initial Value
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
CS3 and CS7 Space Wait Specification
These bits specify the number of waits for CS3 and
CS7 space access.
0000: No wait (external wait input disabled)
0001: One wait (external wait input enabled)
1111: 15 waits (external wait input enabled)
CS2 and CS6 Space Wait Specification
These bits specify the number of waits for CS2 and
CS6 space access.
0000: No wait (external wait input disabled)
0001: One wait (external wait input enabled)
1111: 15 waits (external wait input enabled)
CS1 and CS5 Space Wait Specification
These bits specify the number of waits for CS1 and
CS5 space access.
0000: No wait (external wait input disabled)
0001: One wait (external wait input enabled)
1111: 15 waits (external wait input enabled)
CS0 and CS4 Space Wait Specification
These bits specify the number of waits for CS0 and
CS4 space access.
0000: No wait (external wait input disabled)
0001: One wait (external wait input enabled)
1111: 15 waits (external wait input enabled)
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