MX25R4035F Datasheet, PDF (19/88 Pages) Macronix International – Wide Vcc Range, 4M-BIT

ADVANCED INFORMATION
MX25R4035F
9-1. Write Enable (WREN)
The Write Enable (WREN) instruction is for setting Write Enable Latch (WEL) bit. For those instructions like PP, 4PP,
SE, BE32K, BE, CE, and WRSR, which are intended to change the device content WEL bit should be set every time
after the WREN instruction setting the WEL bit.
The sequence of issuing WREN instruction is: CS# goes low→sending WREN instruction code→ CS# goes high.
The SIO[3:1] are "don't care" .
Figure 4. Write Enable (WREN) Sequence
CS#
Mode 3
SCLK
Mode 0
SI
SO
01234567
Command
06h
High-Z
P/N: PM2222
REV. 0.01, MAR. 06, 2015
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