MX25L6435EMI-10G Datasheet, PDF (19/87 Pages) Macronix International – HIGH PERFORMANCE SERIAL FLASH SPECIFICATION

MX25L6435E
10-2. Write Disable (WRDI)
The Write Disable (WRDI) instruction is for resetting Write Enable Latch (WEL) bit.
The sequence of issuing WRDI instruction is: CS# goes low→ sending WRDI instruction code→ CS# goes high.
The WEL bit is reset by following situations:
- Power-up
- Write Disable (WRDI) instruction completion
- Write Status/Configuration Register (WRSR) instruction completion
- Page Program (PP, 4PP) instruction completion
- Sector Erase (SE) instruction completion
- Block Erase (BE, BE32K) instruction completion
- Chip Erase (CE) instruction completion
- Continuous Program mode (CP) instruction completion
- Single Block Lock/Unlock (SBLK/SBULK) instruction completion
- Gang Block Lock/Unlock (GBLK/GBULK) instruction completion
Figure 4. Write Disable (WRDI) Sequence (Command 04)
CS#
SCLK
SI
SO
01234567
Command
04h
High-Z
P/N: PM1784
REV. 0.03, MAR. 12, 2012
19