X5325 Intersil Corporation, X5325 Datasheet - Page 10

• Manufacturer Part Number: X5325
• Description: (X5323 / X5325) CPU Supervisor with 32Kb SPI EEPROM
• Manufacturer: Intersil Corporation

Figure 6. Read Status Register Sequence
Figure 7. Write Enable Latch Sequence
Figure 8. Write Sequence
SCK
SCK
CS
CS
SI
SI
32 33 34 35 36 37 38 39
7
SCK
CS
SO
6
SI
0
5
Data Byte 2
1
Instruction
10
4
High Impedance
SCK
2
CS
SO
SI
3
3
0
2
4
1
Instruction
High Impedance
1
5
2
0
0
6
3
40 41 42 43 44 45 46 47
7
1
7
4
6
2
15 14 13
8
X5323, X5325
5
5
Data Byte 3
3
9
6
4
16 Bit Address
4
10
7
3
MSB
5
8
7
2
20 21 22 23 24 25 26 27 28 29 30 31
6
3
9
6
1
7
2
10 11 12 13 14
5
0
1
Data Out
4
0
3
6
7
2
5
6
Data Byte N
4
1
5
0
3
4
2
Data Byte 1
3
1
2
0
1
0
October 27, 2005
FN8131.1