SH7280 Datasheet, PDF (304/1726 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine family

Section 9 Bus State Controller (BSC)
Bit
6
5 to 2
1, 0
Bit Name
WM
Initial
Value
0

All 0
HW[1:0] 00
R/W Description
R/W External Wait Mask Specification
Specifies whether or not the external wait input is valid.
The specification by this bit is valid even when the
number of access wait cycle is 0.
0: External wait input is valid
1: External wait input is ignored
R
Reserved
These bits are always read as 0. The write value
should always be 0.
R/W Delay Cycles from RD, WEn Negation to Address, CS4
Negation
Specify the number of delay cycles from RD and WEn
negation to address and CS4 negation.
00: 0.5 cycles
01: 1.5 cycles
10: 2.5 cycles
11: 3.5 cycles
• CS5WCR
Bit: 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
-
-
-
-
-
-
-
-
-
-
SZSEL
MPXW/
BAS
-
WW[2:0]
Initial value: 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W: R
R
R
R
R
R
R
R
R
R R/W R/W R R/W R/W R/W
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
-
-
-
SW[1:0]
WR[3:0]
WM
-
-
-
-
HW[1:0]
Initial value: 0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
R/W: R
R
R R/W R/W R/W R/W R/W R/W R/W R
R
R
R R/W R/W
Bit
31 to 22
Bit Name

Initial
Value
All 0
R/W Description
R
Reserved
These bits are always read as 0. The write value
should always be 0.
Rev. 1.00 Jun. 26, 2008 Page 274 of 1692
REJ09B0393-0100