EFST
F49L400UA/F49L400BA
Table 6. F49L400UA/F49L400BA Auto-Select Command
1st Bus
Cycle
2nd Bus
Cycle
3rd Bus
Cycle
4th Bus
Cycle
5th Bus
Cycle
6th Bus
Cycle
Bus
Cycles
Command
Addr Data Addr Data Addr Data Addr
555H AAH 2AAH 55H 555H 90H X04H
555H AAH 2AAH 55H 555H 90H X08H
555H AAH 2AAH 55H 555H 90H X0CH
555H AAH 2AAH 55H 555H 90H X00H
Data Addr Data Addr Data
4
4
4
4
4
4
4
4
7FH
7FH
7FH
8CH
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Manufacture ID
Word
555H AAH 2AAH 55H 555H 90H X01H 22B9H
AAAH AAH 555H 55H AAAH 90H X02H B9
555H AAH 2AAH 55H 555H 90H X01H 22BAH
Device ID,
Upper boot
Byte
Word
Byte
-
-
-
-
-
-
-
-
Device ID,
Bottom boot
AAAH AAH 555H 55H AAAH 90H X02H
BA
(SA)
555H AAH 2AAH 55H 555H 90H
x02H
00H
01H
Sector Protect Verify
4
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 : Sep. 2006
Revision: 1.1 11/47
ESMT [ ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC. ]
