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参数资料
| 型号： | M95256-RDW3/A |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | PROM |
| 英文描述： | 32K X 8 SPI BUS SERIAL EEPROM, PDSO8 |
| 封装： | 0.169 INCH, TSSOP-8 |
| 文件页数： | 5/43页 |
| 文件大小： | 431K |
| 代理商： | M95256-RDW3/A |
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M95256, M95256-W, M95256-R
Instructions
13/42
5
Instructions
Each instruction starts with a single-byte code, as summarized in Table 3.
If an invalid instruction is sent (one not contained in Table 3), the device automatically
deselects itself.
5.1
Write Enable (WREN)
The Write Enable Latch (WEL) bit must be set prior to each WRITE and WRSR instruction.
The only way to do this is to send a Write Enable instruction to the device.
As shown in Figure 5, to send this instruction to the device, Chip Select (S) is driven Low,
and the bits of the instruction byte are shifted in, on Serial Data Input (D). The device then
enters a wait state. It waits for a the device to be deselected, by Chip Select (S) being driven
High.
Figure 5.
Write Enable (WREN) Sequence
Table 3.
Instruction Set
Instruction
Description
Instruction Format
WREN
Write Enable
0000 0110
WRDI
Write Disable
0000 0100
RDSR
Read Status Register
0000 0101
WRSR
Write Status Register
0000 0001
READ
Read from Memory Array
0000 0011
WRITE
Write to Memory Array
0000 0010
C
D
AI02281E
S
Q
2
1
34567
High Impedance
0
Instruction
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相关代理商/技术参数 |
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| M95256RDW3G | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:256 Kbit serial SPI bus EEPROM with high-speed clock |
| M95256-RDW3G | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:256Kbit and 128Kbit Serial SPI Bus EEPROM With High Speed Clock |
| M95256-RDW3G/A | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:256 Kbit Serial SPI bus EEPROM with high speed clock |
| M95256-RDW3G/K | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:256 Kbit serial SPI bus EEPROM with high-speed clock |
| M95256-RDW3G/V | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:256 Kbit Serial SPI bus EEPROM with high speed clock |
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