參數(shù)資料
型號(hào)： W19B322MTB9G
廠商： WINBOND ELECTRONICS CORP
元件分類： PROM
英文描述： 2M X 16 FLASH 3V PROM, 90 ns, PBGA48
封裝： TFBGA-48
文件頁(yè)數(shù)： 22/52頁(yè)
文件大小： 1955K
代理商： W19B322MTB9G
W19B32XMT/B
Publication Release Date: March 23, 2004
- 29 -
Revision A2
7.5.4 Command Definitions
BUS CYCLES (NOTE 2-5)
FIRST
SECOND
THIRD
FOURTH
FIFTH
SIXTH
COMMAND SEQUENCE
(NOTE 1)
CYCLE
ADDR
DATA
ADDR
DATA
ADDR
DATA
ADDR
DATA ADDR DATA ADDR DATA
Read (note 6)
1
RA
RD
Reset (note 7)
1
XXX
F0
Word
555
2AA
555
Normal Program
Byte
4
AAA
AA
555
55
AAA
A0
PA
PD
Word
555
2AA
555
Unlock Bypass
Byte
3
AAA
AA
555
55
AAA
20
Unlock Bypass Program
(Note 11)
2
XXX
A0
PA
PD
Unlock Bypass Reset
(note12)
2
BA
90
XXX
00
Word
555
2AA
555
2AA
555
Chip Erase
Byte
6
AAA
AA
555
55
AAA
80
AAA
AA
555
55
AAA
10
Word
555
2AA
555
2AA
Sector Erase
Byte
6
AAA
AA
555
55
AAA
80
AAA
AA
555
55
SA
30
Erase Suspend (note 13)
1
BA
B0
Erase Resume (note 14)
1
BA
30
Word
555
2AA
(BA)555
Manufacturer
Code
Byte
4
AAA
AA
555
55
(BA)AAA
90
(BA)X00
DA
Word
555
2AA
(BA)555
(BA)X01
Device Code
Byte
4
AAA
AA
555
55
(BA)AAA
90
(BA)x02
(note16)
Word
555
2AA
(BA)555
(BA)X03
Security Sector
Factory Protect
(Note 9)
Byte
4
AAA
AA
555
55
(BA)AAA
90
(BA)X06
82/02
Word
555
2AA
(BA)555
(SA)X02
AUTO
SELECT(note8)
Sector/
Sector Block
Protect Verify
(note 10)
Byte
4
AAA
AA
555
55
(BA)AAA
90
(SA)X04
00/01
Word
555
2AA
555
Enter Security
Sector Region
Byte
3
AAA
AA
555
55
AAA
88
word
555
2AA
555
Exit Security
Sector Region
Byte
4
AAA
AA
555
55
AAA
90
XXX
00
Word
55
Common Flash
Interface (CFI)
Query (note 15)
Byte
1
AA
98
Legend:
X = Don’t Care
RA = Address of the memory location to be read.
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.
RD = Data read from location RA during read operation.
SA = Address of the sector to be verified (in autoselect mode) or erased. Address bits A20-A12 uniquely select any sector.
BA = Address of the bank that is being switched to autoselect mode, is in bypass mode, or is being erased
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