M45PE16-VMP6TP View Datasheet(PDF) - Numonyx -> Micron

Part Name

Description

Manufacturer

M45PE16-VMP6TP

16 Mbit, low-voltage, Page-Erasable Serial Flash memory with byte alterability and a 50 MHz SPI bus interface

Numonyx -> Micron 

M45PE16

Instructions

6.2

Write Disable (WRDI)

The Write Disable (WRDI) instruction (Figure 7) resets the Write Enable Latch (WEL) bit.

The Write Disable (WRDI) instruction is entered by driving Chip Select (S) Low, sending the

instruction code, and then driving Chip Select (S) High.

The Write Enable Latch (WEL) bit is reset under the following conditions:

● Power-up

● Write Disable (WRDI) instruction completion

● Page Write (PW) instruction completion

● Page Program (PP) instruction completion

● Page Erase (PE) instruction completion

● Sector Erase (SE) instruction completion

Figure 7. Write Disable (WRDI) instruction sequence

S

01234567

C

Instruction

D

High Impedance

Q

AI03750D

19/45

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