
MB85RS64A
■ 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) .
C S
0
1
2
3
4
5
6
7
S CK
S I
Invalid
0
0
0
0
0
1
1
0
Invalid
S O
High-Z
? WRDI
The WRDI command resets WEL (Write Enable Latch) . Writing operation (WRITE command and WRSR
command) are not performed when WEL is reset.
C S
0
1
2
3
4
5
6
7
S CK
S I
Invalid
0
0
0
0
0
1
0
0
Invalid
S O
DS501-00009-0v01-E
High-Z
7