參數(shù)資料
型號: W25Q32BVZEAG
廠商: WINBOND ELECTRONICS CORP
元件分類: PROM
英文描述: 32M X 1 SPI BUS SERIAL EEPROM, PDSO8
封裝: 8 X 6 MM, GREEN, WSON-8
文件頁數(shù): 51/79頁
文件大?。?/td> 1090K
代理商: W25Q32BVZEAG
W25Q32BV
Publication Release Date: April 01, 2011
- 55 -
Revision F
7.2.34 Read Unique ID Number (4Bh)
The Read Unique ID Number instruction accesses a factory-set read-only 64-bit number that is unique to
each W25Q32BV device. The ID number can be used in conjunction with user software methods to help
prevent copying or cloning of a system. The Read Unique ID instruction is initiated by driving the /CS pin
low and shifting the instruction code “4Bh” followed by a four bytes of dummy clocks. After which, the 64-
bit ID is shifted out on the falling edge of CLK as shown in Figure 32.
/CS
CLK
DI
(IO
0)
DO
(IO
1)
Mode 0
Mode 3
0
1
2
3
4
5
6
7
Instruction (4Bh)
High Impedance
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
/CS
CLK
DI
(IO )
24
0
DO
(IO
1)
25
26
27
28
29
30
31
32
33
34
36
37
38
35
23
Mode 0
Mode 3
Dummy Byte 1
Dummy Byte 2
39
40
41
42
Dummy Byte 3
Dummy Byte 4
*
63
62
61
2
100
101
102
1
0
High Impedance
64-bit Unique Serial Number
= MSB
*
Figure 32. Read Unique ID Number Instruction Sequence
相關PDF資料
PDF描述
W3EG6466S335AD4M 64M X 64 DDR DRAM MODULE, 0.7 ns, DMA200
W3EG7264S335AD4SG 64M X 72 DDR DRAM MODULE, 0.7 ns, DMA200
WF1M32B-120G2UI3A 1M X 32 FLASH 3.3V PROM MODULE, 120 ns, CQFP68
WF1M32B-120H1I3A 1M X 32 FLASH 3.3V PROM MODULE, 120 ns, CPGA66
WE128K32N-150G2TC 128K X 32 EEPROM 5V MODULE, 125 ns, CQFP68
相關代理商/技術參數(shù)
參數(shù)描述
W25Q32BVZEAP 制造商:WINBOND 制造商全稱:Winbond 功能描述:3V 32M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI
W25Q32BVZEIG 制造商:Winbond Electronics Corp 功能描述:32MB SPI FLASH
W25Q32BVZEIP 制造商:WINBOND 制造商全稱:Winbond 功能描述:3V 32M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI
W25Q32BVZPAG 制造商:WINBOND 制造商全稱:Winbond 功能描述:3V 32M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI
W25Q32BVZPAP 制造商:WINBOND 制造商全稱:Winbond 功能描述:3V 32M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI