MB85RQ4MLPF-G Datasheet, PDF (6/36 Pages) Fujitsu Component Limited. – 4 M (512 K × 8) Bit Quad SPI

MB85RQ4ML
■ COMMAND
• WREN
The WREN command sets WEL (Write Enable Latch) . WEL has to be set with the WREN command before
writing operation (WRSR, WRITE, WQD and WQAD commands) . The maximum clock frequency for the
WREN command is 108 MHz.
CS
SCK
SI
SO
Invalid
0
1
2
3
4
5
6
7
0
0
0
0
0
1
1
0
High-Z
WREN Command Sequence
CS
SCK
IO0
01
OPCODE
00
IO1
01
IO2
01
IO3
00
WREN Command Sequence (QPI mode)
Invalid
6
DS501-00043-2v0-E