参数资料
型号: W25Q80BVSSIG
厂商: Winbond Electronics
文件页数: 54/75页
文件大小: 0K
描述: IC FLASH 8MBIT 8SOIC
标准包装: 90
系列: SpiFlash®
格式 - 存储器: 闪存
存储器类型: FLASH
存储容量: 8M(1M x 8)
速度: 104MHz
接口: SPI 串行
电源电压: 2.7 V ~ 3.6 V
工作温度: -40°C ~ 85°C
封装/外壳: 8-SOIC(0.209",5.30mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
其它名称: Q4816329
T1015683
W25Q80BV
6.2.35
Read JEDEC ID (9Fh)
For compatibility reasons, the W25Q80BV provides several instructions to electronically determine the
identity of the device. The Read JEDEC ID instruction is compatible with the JEDEC standard for SPI
compatible serial memories that was adopted in 2003. The instruction is initiated by driving the /CS pin
low and shifting the instruction code “9Fh”. The JEDEC assigned Manufacturer ID byte for Winbond (EFh)
and two Device ID bytes, Memory Type (ID15-ID8) and Capacity (ID7-ID0) are then shifted out on the
falling edge of CLK with most significant bit (MSB) first as shown in figure 33. For memory type and
capacity values refer to Manufacturer and Device Identification table.
/CS
Mode 3
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CLK
Mode 0
Instruction (9Fh)
DI
(IO 0 )
DO
(IO 1 )
/CS
* = MSB
High Impedance
Manufacturer ID (EFh)
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Mode 3
CLK
DI
(IO 0 )
Memory Type ID15-8
Capacity ID7-0
Mode 0
DO
(IO 1 )
7
*
6
5
4
3
2
1
0
7
*
6
5
4
3
2
1
0
Figure 33. Read JEDEC ID Instruction Sequence
- 54 -
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