MB85RS256B

DS501-00021-2v0-E

7

■ COMMAND

• WREN

The WREN command sets WEL (Write Enable Latch) . WEL has to be set with the WREN command before

writing operation (WRSR command and WRITE command) . WREN command is applicable to “Up to

33 MHz operation”.

• WRDI

The WRDI command resets WEL (Write Enable Latch) . Writing operation (WRSR command and WRITE

command) are not performed when WEL is reset. WRDI command is applicable to “Up to 33 MHz operation”.

SO

SCK

SI

CS

00000110

High-Z

7

6

5

4

3

2

1

0

Invalid

Invalid

SO

SCK

SI

CS

00000100

High-Z

7

6

5

4

3

2

1

0

Invalid

Invalid