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参数资料
| 型号： | M95020-RDW3TP/W |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | PROM |
| 英文描述： | 256 X 8 SPI BUS SERIAL EEPROM, PDSO8 |
| 封装： | 0.169 INCH, ROHS COMPLIANT, TSSOP-8 |
| 文件页数： | 13/42页 |
| 文件大小： | 250K |
| 代理商： | M95020-RDW3TP/W |
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Instructions
M95040, M95020, M95010
6.4
Write Status Register (WRSR)
This instruction has no effect on bits b7, b6, b5, b4, b1 and b0 of the Status Register.
As shown in Figure 10, to send this instruction to the device, Chip Select (S) is first driven
Low. The bits of the instruction byte and data byte are then shifted in on Serial Data Input
(D).
The instruction is terminated by driving Chip Select (S) High. Chip Select (S) must be driven
High after the rising edge of Serial Clock (C) that latches the eighth bit of the data byte, and
before the next rising edge of Serial Clock (C). If this condition is not met, the Write Status
Register (WRSR) instruction is not executed. The self-timed Write Cycle starts, and
in Progress (WIP) bit is reset to 0.
The instruction is not accepted, and is not executed, under the following conditions:
●
if the Write Enable Latch (WEL) bit has not been set to 1 (by executing a Write Enable
instruction just before)
●
if a Write Cycle is already in progress
●
if the device has not been deselected, by Chip Select (S) being driven High, after the
eighth bit, b0, of the data byte has been latched in
●
if Write Protect (W) is Low.
Figure 10.
Write Status Register (WRSR) sequence
C
D
AI01445B
S
Q
2
1
3456789 10 11 12 13 14 15
High Impedance
Instruction
Status
Register In
0
765432
0
1
MSB
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M95020-RDW6 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:4Kbit, 2Kbit and 1Kbit Serial SPI Bus EEPROM With High Speed Clock |
| M95020-RDW6/W | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:4Kbit, 2Kbit and 1Kbit Serial SPI Bus EEPROM With High Speed Clock |
| M95020-RDW6G | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:4Kbit, 2Kbit and 1Kbit Serial SPI Bus EEPROM With High Speed Clock |
| M95020-RDW6G/W | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:4Kbit, 2Kbit and 1Kbit Serial SPI Bus EEPROM With High Speed Clock |
| M95020-RDW6P | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:4Kbit, 2Kbit and 1Kbit Serial SPI Bus EEPROM With High Speed Clock |
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