23a640 Microchip Technology Inc., 23a640 Datasheet - Page 9

• Manufacturer Part Number: 23a640
• Description: 64k Spi Bus Low-power Serial Sram
• Manufacturer: Microchip Technology Inc.

FIGURE 2-6:
© 2009 Microchip Technology Inc.
SCK
SCK
CS
CS
SI
SI
0
0
32
7
1
0
33
0
6
Instruction
2
SEQUENTIAL WRITE SEQUENCE
34 35 36 37 38 39
5
3
0
Data Byte 2
0
4
4
3
5
0
1
2
6
0
1
7
15 14 13 12
0
8
40
7
9 10 11
41 42 43
16-bit Address
6
Preliminary
Data Byte 3
5
4
44 45
3
21 22 23 24 25 26 27 28 29 30 31
2
2
46 47
1
1
0
0
7
23A640/23K640
6
7
5
6
Data Byte 1
4
5
Data Byte n
3
4
2
3
1
2
DS22126B-page 9
0
1
0