參數(shù)資料
型號(hào): R1EX25004ATA00A
元件分類(lèi): PROM
英文描述: 512 X 8 SPI BUS SERIAL EEPROM, PDSO8
封裝: 4.40 X 3 MM, 0.65 MM PITCH, LEAD FREE, PLASTIC, TSSOP-8
文件頁(yè)數(shù): 2/22頁(yè)
文件大小: 622K
代理商: R1EX25004ATA00A
R1EX25002Axx00A/R1EX25004Axx00A
REJ03C0357-0002 Rev. 0.02 Jan.14 .2009
page 10 of 20
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 the following figure, 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 the device to be deselected, by chip select (
S) being driven high.
Write Enable (WREN) Sequence
S
W
C
D
Q
Instruction
01
2
3
4
5
6
High-Z
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
7
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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