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TH50VSF3680/3681AASB
2001-03-06 5/55
COMMAND SEQUENCES
FIRST BUS
WRITE CYCLE
SECOND BUS
WRITE CYCLE
THIRD BUS
WRITE CYCLE
FOURTH BUS
WRITE CYCLE
FIFTH BUS
WRITE CYCLE
SIXTH BUS
WRITE CYCLE
COMMAND
SEQUENCE
BUS
WRITE
CYCLES
REQ’D
Addr.
Data
Addr.
Data
Addr.
Data
Addr.
Data
Addr.
Data
Addr.
Data
Read/Reset
1
XXXH
F0H
Word
555H
2AAH
555H
Read/Reset
Byte
3
AAAH
AAH
555H
55H
AAAH
BK
(3)
+
555H
BK
(3)
+
AAAH
F0H
RA
(1)
RD
(2)
Word
555H
2AAH
ID Read
Byte
3
AAAH
AAH
555H
55H
90H
IA
(4)
ID
(5)
Word
555H
2AAH
555H
Auto-Program
Byte
4
AAAH
BK
(3)
BK
(3)
AAH
555H
55H
AAAH
A0H
PA
(6)
PD
(7)
Program Suspend
1
B0H
Program Resume
1
30H
Word
555H
2AAH
555H
555H
2AAH
555H
Auto Chip
Erase
Byte
6
AAAH
AAH
555H
55H
AAAH
80H
AAAH
AAH
555H
55H
AAAH
10H
Word
555H
2AAH
555H
555H
2AAH
Auto Block
Erase
Byte
6
AAAH
BK
(3)
BK
(3)
AAH
555H
55H
AAAH
80H
AAAH
AAH
555H
55H
BA
(8)
30H
Block Erase Suspend
1
B0H
Block Erase Resume
1
30H
Block Protect
4
XXXH
60H
BPA
(9)
60H
XXXH
BK
(3)
+
555H
BK
(3)
+
AAAH
40H
BPA
(9)
BPD
(10)
Word
555H
2AAH
Verify Block
Protect
Byte
3
AAAH
AAH
555H
55H
90H
BPA
(9)
BPD
(10)
Word
555H
2AAH
555H
Fast Program
Set
Byte
3
AAAH
AAH
555H
PA
(6)
55H
AAAH
20H
Fast Program
2
XXXH
A0H
PD
(7)
F0H
(13)
Fast Program Reset
2
XXXH
90H
XXXH
Word
555H
2AAH
555H
Hidden ROM
Mode Entry
Byte
3
AAAH
AAH
555H
55H
AAAH
88H
Word
555H
2AAH
555H
Hidden ROM
Program
Byte
4
AAAH
AAH
555H
55H
AAAH
A0H
PA
(6)
PD
(7)
Word
555H
2AAH
555H
555H
2AAH
Hidden ROM
Erase
Byte
6
AAAH
AAH
555H
55H
AAAH
80H
AAAH
AAH
555H
55H
BA
(8)
30H
Word
555H
2AAH
555H
Hidden ROM
Mode Exit
Byte
4
AAAH
BK
(3)
+
55H
BK
(3)
+
AAH
AAH
555H
55H
AAAH
90H
XXXH
00H
Word
Query
Command
Byte
2
98H
CA
(11)
CD
(12)
Note: The system should generate the following address patterns:
Word Mode: 555H or 2AAH to addresses A10~A0
Byte Mode: AAAH or 555H to addresses A10~A0, A12F
DQ8~DQ15 are ignored in Word mode.
(1) RA: Read Address
(2) RD: Read Data
(3) BK: Bank Address
=
A21~A15
(4) IA: Bank Address and ID Read Address (A6, A1, A0)
Bank Address
=
A21~A15
Manufacturer Code
=
(0, 0, 0)
Device Code
=
(0, 0, 1)
(5) ID: ID Data
0098H - Manufacturer Code
0093H - Device Code (TH50VSF3680AASB)
0095H - Device Code (TH50VSF3681AASB)
0001H - Protected Block
Byte mode when V
IL
is inputted to CIOF, and addresses
are A22~A0
Write mode when V
IH
is inputted to CIOF, and addresses
are A21~A0
Valid addresses are A10~A0 when a command is entered.
(6) PA: Program Address
(7) PD: Program Data
(8) BA: Block Address
=
A21~A12
(9) BPA: Block Address and ID Read Address (A6, A1, A0)
Block Address
=
A21~A12
ID Read Address
=
(0, 1, 0)
(10) BPD: Verify Data
(11) CA: CFI Address
(12) CD: CFI Data
(13) F0H: 00H is valid too