ESMT
F49L800UA/F49L800BA
Table 6. F49L800UA/F49L800BA 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
Data Addr Data Addr Data
4
4
4
4
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
555H AAH 2AAH 55H 555H 90H X01H 22DAH
AAAH AAH 555H 55H AAAH 90H X02H DAH
555H AAH 2AAH 55H 555H 90H X01H 225BH
AAAH AAH 555H 55H AAAH 90H X02H 5BH
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Manufacture ID
Word
Device ID,
Upper boot
Byte
Word
Byte
-
-
-
-
-
-
-
-
Device ID,
Bottom boot
XX00H
(SA)
Word
Byte
4
4
555H AAH 2AAH 55H 555H 90H
x02H
XX00H
Sector Protect Verify
00H
(SA)
AAAH AAH 555H 55H AAAH 90H
x04H
01H
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 Semiconductor Memory Technology Inc.
Publication Date : May. 2007
Revision: 1.2 11/47
ESMT [ ELITE SEMICONDUCTOR MEMORY TECHNOLOGY INC. ]
