HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 370
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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Section 9
Rev. 3.00 Jan. 18, 2008 Page 308 of 1458
REJ09B0033-0300
Bit
18
17
16
15 to 13
12
11
Bus State Controller (BSC)
Bit Name
WW2
WW1
WW0
SW1
SW0
Initial
Value
0
0
0
All 0
0
0
R/W
R/W
R/W
R/W
R
R/W
R/W
Description
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.
Number of Delay Cycles from Address, CSn Assertion to
RD, WEn (BEn) Assertion
Specify the number of delay cycles from address and CSn
assertion to RD and WEn (BEn) assertion.
00: 0.5 cycle
01: 1.5 cycles
10: 2.5 cycles
11: 3.5 cycles
write access wait)
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