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參數資料
| 型號： | W39V040AQ |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | PROM |
| 英文描述： | 512K 】 8 CMOS FLASH MEMORY WITH LPC INTERFACE |
| 中文描述： | 512K X 8 FLASH 3.3V PROM, 11 ns, PDSO32 |
| 封裝： | 8 X 14 MM, STSOP-32 |
| 文件頁數： | 27/34頁 |
| 文件大小： | 384K |
| 代理商： | W39V040AQ |
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W39V040A
Publication Release Date: December 19, 2002
- 27 -
Revision A2
Timing Waveforms for LPC Interface Mode, continued
Boot Block Lockout Enable Timing Diagram
CLK
LAD[3:0
]
1st Start
Load Address "5555" in 8 Clocks
1 Clock
1 Clock
TAR
Start next
1 Clock
2 Clocks
1 Clock
011Xb
0000b
XXXXb
XXXXb
XXXXb
XXXXb
X101b
0101b
0101b
0101b
Load Data "AA"
1010b
1010b
Write the 1st command to the device in LPC mode.
Address
Sync
TAR
Data
1111b
Tri-State
0000b
Memory
CLK
2nd Start
Load Address "2AAA" in 8 Clocks
1 Clock
1 Clock
TAR
Start next
1 Clocks
2 Clocks
1 Clock
011Xb
0000b
XXXXb
XXXXb
XXXXb
XXXXb
X010b
1010b
1010b
1010b
Load Data "55"
0101b
0101b
Write the 2nd command to the device in LPC mode.
Address
Sync
TAR
Data
1111b
Tri-State
0000b
Memory
LAD[3:0
]
CLK
3rd Start
Load Address "5555" in 8 Clocks
1 Clock
1 Clock
TAR
Start next
1 Clock
2 Clocks
1 Clock
011Xb
0000b
XXXXb
XXXXb
XXXXb
XXXXb
X101b
0101b
0101b
0101b
Load Data "80"
1000b
0000b
Write the 3rd command to the device in LPC mode.
Address
Sync
TAR
Data
1111b
Tri-State
0000b
Memory
Write
Cycle
LAD[3:0
]
CLK
4th Start
Load Address "5555" in 8 Clocks
1 Clock
1 Clock
TAR
Start next
1 Clock
2 Clocks
1 Clock
011Xb
0000b
XXXXb
XXXXb
XXXXb
XXXXb
X101b
0101b
0101b
0101b
Load Data "AA"
1010b
1010b
Write the 4th command to the device in LPC mode.
Address
Sync
TAR
Data
1111b
Tri-State
0000b
Memory
]
CLK
5th Start
Load Address "2AAA" in 8 Clocks
1 Clock
1 Clock
TAR
1 Clock
2 Clocks
Start next
1 Clock
011Xb
0000b
XXXXb
XXXX
XXXXb
XXXXb
X010b
1010b
1010b
1010b
Load Data "55"
0101b
0101b
Write the 5th command to the device in LPC mode.
Address
Sync
TAR
Data
1111b
Tri-State
0000b
Memory
LAD[3:0
]
CLK
6th Start
Load Address "5555" 8 Clocks
1 Clock
1 Clock
TAR
Sync
TAR
1 Clock
2 Clocks
011Xb
0000b
XXXXb
XXXXb
XXXXb
XXXXb
X101b
Load Data "40"
or "70" in 2 Clocks
0111b
Write the 6th command to the device in LPC mode.
0101b
0101b
0101b
0000b
1111b
Tri-State
0000b
Data
Address
Memory
Write
Cycle
]
Start next
command
1 Clock
#LFRAM
#RESET
#LFRAM
#RESET
#LFRAM
#RESET
#LFRAM
#RESET
#LFRAM
#RESET
#LFRAM
#RESET
相關PDF資料 |
PDF描述 |
|---|---|
| W39V040BQ | W39V040B |
| W39V040BQZ | W39V040B |
| W39V040B | W39V040B |
| W39V040BP | W39V040B |
| W39V040BPZ | W39V040B |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W39V040B | 制造商:WINBOND 制造商全稱:Winbond 功能描述:W39V040B |
| W39V040B_07 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:512K × 8 CMOS FLASH MEMORY WITH LPC INTERFACE |
| W39V040BP | 制造商:WINBOND 制造商全稱:Winbond 功能描述:W39V040B |
| W39V040BPZ | 制造商:WINBOND 制造商全稱:Winbond 功能描述:W39V040B |
| W39V040BQ | 制造商:WINBOND 制造商全稱:Winbond 功能描述:W39V040B |
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