HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 365
HD6417320
Manufacturer Part Number
HD6417320
Description
Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417320.pdf
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• CS4WCR
Bit
31 to 21
20
19
18
17
16
15 to 13
Bit Name
BAS
WW2
WW1
WW0
Initial
Value
All 0
0
0
0
0
0
All 0
R/W
R
R
R/W
R/W
R/W
R
R/W
Description
Reserved
These bits are always read as 0. The write value should
always be 0.
Byte Access Selection for Byte-Selection SRAM
Specifies the WEn (BEn) and RD/WR signal timing when
the byte-selection SRAM interface is used.
0: Asserts the WEn (BEn) signal at the read/write timing
1: Asserts the WEn (BEn) signal during the read/write
Reserved
This bit is always read as 0. The write value should always
be 0.
Number of Write Access Wait Cycles
Specify the number of cycles that are necessary for write
access.
000: The same cycles as WR3 to WR0 setting (read or
001: 0 cycles
010: 1 cycle
011: 2 cycles
100: 3 cycles
101: 4 cycles
110: 5 cycles
111: 6 cycles
Reserved
These bits are always read as 0. The write value should
always be 0.
and asserts the RD/WR signal during the write access
cycle.
access cycle and asserts the RD/WR signal at the write
timing.
write access wait)
Rev. 3.00 Jan. 18, 2008 Page 303 of 1458
Section 9
Bus State Controller (BSC)
REJ09B0033-0300
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