EFST
F49L040A
Table 5. F49L040A Auto-Select Command
1st Bus
Cycle
2nd Bus
Cycle
3rd Bus
Cycle
4th Bus
Cycle
5th Bus
Cycle
6th Bus
Cycle
Bus
Command
Cycles
Addr Data
Addr Data Addr Data Addr Data Addr Data Addr Data
4
4
4
4
555H AAH 2AAH 55H 555H 90H X04H 7FH
555H AAH 2AAH 55H 555H 90H X08H 7FH
555H AAH 2AAH 55H 555H 90H X0CH 7FH
555H AAH 2AAH 55H 555H 90H X00H 8CH
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Manufacture ID
Device ID, Upper
boot
4
4
555H AAH 2AAH 55H 555H 90H X01H 4FH
-
-
-
-
-
-
-
-
(SA) 00H
555H AAH 2AAH 55H 555H 90H
x02H 01H
Sector Protect Verify
Notes :
1. The fourth cycle of the auto-select command sequence is a read cycle.
2. For Sector Protect Verify operation: If read out data is 01H, it means the sector has been protected. If read
out data is 00H, it means the sector is still not being protected.
Elite Flash Storage Technology Inc.
Publication Date : Apr. 2005
Revision: 1.0 8/41
ESMT [ ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC. ]
