SA25F010LEM8 데이터 시트보기 (PDF) - Saifun Semiconductors

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SA25F010LEM8

1Mb Serial Flash with 25MHz SPI Bus Interface

Saifun Semiconductors 

The WRSR command requires the

following sequence:

1. The CSb pin is pulled low to select

the device.

CS

SA25F010 Advanced Information

SAIFUN

22

2. The WRSR opcode is then

transmitted on the SI pin, followed

by the data to be programmed.

The instruction sequence is shown in

Figure 13.

SCK

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Instruction

Status Register In

SI

765 43 2 1 0

MSB

SO

High Impedance

Figure 13. Write Status Register (WRSR) Instruction Sequence

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