M95320-DRDW6TP STMicroelectronics, M95320-DRDW6TP Datasheet - Page 18

• Manufacturer Part Number: M95320-DRDW6TP
• Description: EEPROM 32Kb SPI bus EEPROM 20 MHz 4kB
• Manufacturer: STMicroelectronics

Specifications of M95320-DRDW6TP

• Rohs: yes

Instructions
6.2
18/46
Write Disable (WRDI)
One way of resetting the Write Enable Latch (WEL) bit is to send a Write Disable instruction
to the device.
As shown in
and the bits of the instruction byte are shifted in, on Serial Data Input (D).
The device then enters a wait state. It waits for a the device to be deselected, by Chip Select
(S) being driven high.
The Write Enable Latch (WEL) bit, in fact, becomes reset by any of the following events:
●
●
●
●
Figure 8.
Power-up
WRDI instruction execution
WRSR instruction completion
WRITE instruction completion.
Figure
Write Disable (WRDI) sequence
S
C
D
Q
8, to send this instruction to the device, Chip Select (S) is driven low,
Doc ID 5711 Rev 15
High Impedance
0
1
2
Instruction
3
4
5
6
7
M95320-W M95320-R M95320-DF
AI03750D