r5s72060w200fpv Renesas Electronics Corporation., r5s72060w200fpv Datasheet - Page 252

• Manufacturer Part Number: r5s72060w200fpv
• Description: 32-bit Risc Microcomputer Superhtm Risc Engine Family / Sh7200 Series
• Manufacturer: Renesas Electronics Corporation.

Section 8 Bus State Controller (BSC)
• CS5WCR
Initial value:
Initial value:
Rev. 2.00 Dec. 09, 2005 Page 228 of 1152
REJ09B0191-0200
Bit
31 to 22
21
R/W:
R/W:
Bit:
Bit:
31
15
Bit Name

SZSEL
R
R
0
0
-
-
30
14
R
R
0
0
-
-
29
13
R
R
0
0
-
-
Initial
Value
All 0
0
R/W
28
12
R
0
0
-
SW[1:0]
R/W
27
11
R
0
0
R/W
R
R/W
-
R/W
26
10
R
0
1
-
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
MPX-I/O Interface Bus Width Specification
Specifies an address to select the bus width when the
BSZ[1:0] of CS5BCR are specified as 11. This bit is
valid only when area 5 is specified as MPX-I/O.
0: Selects the bus width by address A14
1: Selects the bus width by address A21
The relationship between the SZSEL bit and bus width
selected by A14 or A21 are summarized below.
SZSEL
0
0
1
1
R/W
25
R
0
9
0
-
WR[3:0]
R/W
24
R
0
8
1
-
A14
0
1
Not affected
Not affected
R/W
23
R
0
7
0
-
R/W
WM
22
R
0
6
0
-
SZSEL
A21
Not affected
Not affected
0
1
R/W
21
R
0
5
0
-
MPXW/
R/W
BAS
20
R
0
4
0
-
19
R
R
0
3
0
-
-
Bus Width
8 bits
16 bits
8 bits
16 bits
R/W
18
R
0
2
0
-
WW[2:0]
R/W
R/W
17
0
1
0
HW[1:0]
R/W
R/W
16
0
0
0