M29W800DT70N1 Datasheet, PDF (15/41 Pages) STMicroelectronics – 8 Mbit (1Mb x8 or 512Kb x16, Boot Block) 3V Supply Flash Memory

M29W800DT, M29W800DB
Table 4. Commands, 16-bit mode, BYTE = V_IH
Bus Write Operations
Command
1st
2nd
3rd
4th
5th
6th
Addr Data Addr Data Addr Data Addr Data Addr Data Addr Data
Read/Reset
1 X F0
3 555 AA 2AA 55 X F0
Auto Select
3 555 AA 2AA 55 555 90
Program
4 555 AA 2AA 55 555 A0 PA PD
Unlock Bypass
3 555 AA 2AA 55 555 20
Unlock Bypass
Program
2 X A0 PA PD
Unlock Bypass Reset 2 X 90 X 00
Chip Erase
6 555 AA 2AA 55 555 80 555 AA 2AA 55 555 10
Block Erase
6+ 555 AA 2AA 55 555 80 555 AA 2AA 55 BA 30
Erase Suspend
1 X B0
Erase Resume
1 X 30
Read CFI Query
1 55 98
Note: X Don’t Care, PA Program Address, PD Program Data, BA Any address in the Block.
All values in the table are in hexadecimal.
The Command Interface only uses A–1, A0-A10 and DQ0-DQ7 to verify the commands; A11-A18, DQ8-DQ14 and DQ15 are Don’t
Care. DQ15A–1 is A–1 when BYTE is V_IL or DQ15 when BYTE is V_IH.
15/41