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參數(shù)資料
| 型號(hào)： | M95020-RDW3TP/W |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | PROM |
| 英文描述： | 256 X 8 SPI BUS SERIAL EEPROM, PDSO8 |
| 封裝： | 0.169 INCH, ROHS COMPLIANT, TSSOP-8 |
| 文件頁數(shù)： | 8/42頁 |
| 文件大小： | 250K |
| 代理商： | M95020-RDW3TP/W |
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Instructions
M95040, M95020, M95010
6
Instructions
Each instruction starts with a single-byte code, as summarized in Table 4.
If an invalid instruction is sent (one not contained in Table 4), the device automatically
deselects itself.
6.1
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 7, 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 7.
Write Enable (WREN) sequence
Table 4.
Instruction set
Instruction
Description
Instruction Format
WREN
Write Enable
0000 X110(1)
1.
X = Don’t Care.
WRDI
Write Disable
0000 X100(1)
RDSR
Read Status Register
0000 X101(1)
WRSR
Write Status Register
0000 X001(1)
READ
Read from Memory Array
0000 A8011
(2)
2.
A8 = 1 for the upper half of the memory array of the M95040, and 0 for the lower half, and is Don’t Care for
other devices.
WRITE
Write to Memory Array
0000 A8010
C
D
AI01441D
S
Q
2
1
34567
High Impedance
0
Instruction
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PDF描述 |
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| M95020-WMN3G/W | 256 X 8 SPI BUS SERIAL EEPROM, PDSO8 |
| M95256-RDW3/A | 32K X 8 SPI BUS SERIAL EEPROM, PDSO8 |
| M95256-RMN6P/A | 32K X 8 SPI BUS SERIAL EEPROM, PDSO8 |
| M95256-WDW3T/A | 32K X 8 SPI BUS SERIAL EEPROM, PDSO8 |
| M95256-RDW6TG | 32K X 8 SPI BUS SERIAL EEPROM, PDSO8 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M95020-RDW6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4Kbit, 2Kbit and 1Kbit Serial SPI Bus EEPROM With High Speed Clock |
| M95020-RDW6/W | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4Kbit, 2Kbit and 1Kbit Serial SPI Bus EEPROM With High Speed Clock |
| M95020-RDW6G | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4Kbit, 2Kbit and 1Kbit Serial SPI Bus EEPROM With High Speed Clock |
| M95020-RDW6G/W | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4Kbit, 2Kbit and 1Kbit Serial SPI Bus EEPROM With High Speed Clock |
| M95020-RDW6P | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4Kbit, 2Kbit and 1Kbit Serial SPI Bus EEPROM With High Speed Clock |
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