W90N740CD WINBOND [Winbond], W90N740CD Datasheet - Page 27

• Manufacturer Part Number: W90N740CD
• Description: 32-Bit ARM7TDMI-Based Micro-Controller
• Manufacturer: WINBOND [Winbond]

EXT. MEM DATA
EXT. MEM DATA
CPU REG DATA
CPU REG DATA
OPERATION
OPERATION
BIT NUMBER
BIT NUMBER
BIT NUMBER
BIT NUMBER
BIT NUMBER
BIT NUMBER
BIT NUMBER
BIT NUMBER
BIT NUMBER
BIT NUMBER
NWBE [3-0] /
SEQUENCE
SEQUENCE
XD WIDTH
SDQM [3-0]
SDQM [3-0]
XD WIDTH
ACCESS
ACCESS
TIMING
TIMING
SD
ED
XD
SD
ED
XD
SA
XA
SA
XA
Table6.2.10 Word access read operation with Little Endian
Table6.2.9 Word access write operation with Little Endian
WORD
WORD
31
ABCD
31
ABCD
31
ABCD
31
ABCD
31
ABCD
31
ABCD
31
ABCD
31
ABCD
31
ABCD
31
ABCD
AAAA
AAAA
WA
WA
WA
WA
0
0
0
0
0
0
0
0
0
0
WRITE OPERATION (CPU REGISTER
READ OPERATION (CPU REGISTER
1st write
1st read
31
XX CD
XXAA
XXAA
15 0
15 0
15 0
15 0
15 0
WA
WA
CD
CD
CD
CD
CD
HALF WORD
HALF WORD
0
31
AB CD
31
AB CD
31
ABCD
31
ABCD
WA
WA
0
0
2nd write
0
0
2nd read
31
AB CD
WA+2
WA+2
XXAA
XXAA
15 0
15 0
15 0
15 0
15 0
AB
AB
AB
AB
AB
- 24 -
0
W90N740CD/W90N740CDG
X X X D
1st write
31
1st read
XXXA
XXXA
7 0
7 0
7 0
7 0
7 0
WA
WA
D
D
D
D
D
0
2nd write
X X C D
2nd read
31
EXTERNAL MEMORY)
EXTERNAL MEMORY)
WA+1
XXXA
WA+1
XXXA
7 0
7 0
7 0
7 0
7 0
C
C
C
C
C
A B C D
A B C D
31
31
0
BYTE
BYTE
31
ABCD
31
ABCD
WA
WA
0
0
X B C D
3rd write
31
3rd read
0
0
WA+2
XXXA
WA+2
XXXA
7 0
7 0
7 0
7 0
7 0
B
B
B
B
B
0
A B C D
4th write
31
4th read
WA+3
XXXA
WA+3
XXXA
7 0
7 0
7 0
7 0
7 0
A
A
A
A
A
0