February 25, 2004 S71JLxxxHxx_00A1
S29JL064H
65
Pre l i m i n a r y
operation using the DQ7 or DQ6 status bits, just as in the standard Byte Program
information.
In the erase-suspend-read mode, the system can also issue the autoselect com-
mand sequence. The device allows reading autoselect codes even at addresses
within erasing sectors, since the codes are not stored in the memory array. When
the device exits the autoselect mode, the device reverts to the Erase Suspend
To resume the sector erase operation, the system must write the Erase Resume
command. The bank address of the erase-suspended bank is required when writ-
ing this command. Further writes of the Resume command are ignored. Another
Erase Suspend command can be written after the chip has resumed erasing.
Table 11. S29JL064H Command Definitions
Legend:
X = Don’t care
RA = Address of the memory location to be read.
RD = Data read from location RA during read operation.
PA = Address of the memory location to be programmed. Addresses latch on the falling edge of the WE# or CE# pulse,
whichever happens later.
PD = Data to be programmed at location PA. Data latches on the rising edge of WE# or CE# pulse, whichever happens
first.
SA = Address of the sector to be verified (in autoselect mode) or erased. Address bits A21–A12 uniquely select any
sector. Refer to Table 3 for information on sector addresses. BA = Address of the bank that is being switched to autoselect mode, is in bypass mode, or is being erased. A21–A19
uniquely select a bank.
Command
Sequence
Cycle
s
First
Second
Third
Fourth
Fifth
Sixth
Addr Data Addr Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
1
RA
RD
1
XXX
F0
Au
to
se
le
ct
Manufacturer ID
Word
4
555
AA
2AA
55
(BA)555
90
(BA)X00
01
Byte
AAA
555
(BA)AAA
Word
6
555
AA
2AA
55
(BA)555
90
(BA)X01
7E
(BA)X0E
02
(BA)X0F
01
Byte
AAA
555
(BA)AAA
(BA)X02
(BA)X1C
(BA)X1E
SecSi Sector Factory
Word
4
555
AA
2AA
55
(BA)555
90
(BA)X03
80/
00
Byte
AAA
555
(BA)AAA
(BA)X06
Sector/Sector Block
Protect Verify
Word
4
555
AA
2AA
55
(BA)555
90
(SA)X02
00/
01
Byte
AAA
555
(BA)AAA
(SA)X04
Enter SecSi Sector Region
Word
3
555
AA
2AA
55
555
88
Byte
AAA
555
AAA
Exit SecSi Sector Region
Word
4
555
AA
2AA
55
555
90
XXX
00
Byte
AAA
555
AAA
Program
Word
4
555
AA
2AA
55
555
A0
PA
PD
Byte
AAA
555
AAA
Unlock Bypass
Word
3
555
AA
2AA
55
555
20
Byte
AAA
555
AAA
2
XXX
A0
PA
PD
2
XXX
90
XXX
00
Chip Erase
Word
6
555
AA
2AA
55
555
80
555
AA
2AA
55
555
10
Byte
AAA
555
AAA
555
AAA
Sector Erase
Word
6
555
AA
2AA
55
555
80
555
AA
2AA
55
SA
30
Byte
AAA
555
AAA
555
1
BA
B0
1
BA
30
Word
1
55
98
Byte
AA