EN25B10 查看數據表（PDF） - Eon Silicon Solution Inc.

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EN25B10

1 Mbit Serial Flash Memory with Boot and Parameter Sectors

Eon Silicon Solution Inc. 

EN25B10

Table 5. Manufacturer and Device Identification

Boot Type

OP Code

(M7-M0)

ABh

EN25B10(Bottom Boot)

90h

1Ch

9Fh

1Ch

ABh

EN25B10T(Top Boot)

90h

1Ch

9Fh

1Ch

(ID15-ID0) (ID7-ID0)

30h

30h

2011h

40h

40h

2011h

Write Enable (WREN) (06h)

The Write Enable (WREN) instruction (Figure 5) sets the Write Enable Latch (WEL) bit. The Write Enable

Latch (WEL) bit must be set prior to every Page Program (PP), Sector Erase (SE), Bulk Erase (BE) and

Write Status Register (WRSR) instruction.

The Write Enable (WREN) instruction is entered by driving Chip Select (CS#) Low, sending the instruction

code, and then driving Chip Select (CS#) High.

Write Disable (WRDI) (04h)

The Write Disable instruction (Figure 6) resets the Write Enable Latch (WEL) bit in the Status Register to

a 0. The Write Disable instruction is entered by driving Chip Select (CS#) low, shifting the instruction code

“04h” into the DI pin and then driving Chip Select (CS#) high. Note that the WEL bit is automatically reset

after Power-up and upon completion of the Write Status Register, Page Program, Sector Erase, and Bulk

Erase instructions.

This Data Sheet may be revised by subsequent versions

9

or modifications due to changes in technical specifications.

©2004 Eon Silicon Solution, Inc., www.essi.com.tw

Rev. B, Issue Date: 2006/12/26

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