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參數(shù)資料
| 型號： | WEDPNF8M721V-XBX |
| 英文描述： | 8Mx72 Synchronous DRAM + 8Mb Flash Mixed Module(8Mx72同步動態(tài)RAM+8M位閃速存儲器混合型模塊) |
| 中文描述： | 8Mx72同步DRAM 8MB閃存的混合模塊（8Mx72同步動態(tài)RAM的800萬位閃速存儲器混合型模塊） |
| 文件頁數(shù)： | 19/42頁 |
| 文件大?。?/td> | 686K |
| 代理商： | WEDPNF8M721V-XBX |
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White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
WEDPNF8M721V-XBX
FIG. 5
SECTOR PROTECT/UNPROTECT
ALGORITHMS
Wait 1
μ
s
Wait 150
μ
s
RST = V
ID
PLSCNT = 1
Start
Read from
sector address
with FA
6
= 0,
FA
1
= 1, FA
0
= 0,
Sector Protect:
Write 60h to
sector address
with FA
6
= 0,
FA
1
= 1, FA
0
= 0
Verify Sector
Protect: Write
40h to sector
address with
FA
6
= 0, FA
1
= 1,
FA
0
= 0
Set up sector
address
Remove V
ID
from RST
First Write
Cycle = 60h
Write reset
command
Sector Protect
complete
Protect another
sector
No
Yes
Yes
No
Yes
No
Data = 01h
PLSCNT
= 25
Yes
Reset
PLSCNT = 1
Device failed
Increment
PLSCNT
Temporary Sector
Unprotect Mode
No
Wait 1
μ
s
Wait 15ms
RST = V
ID
PLSCNT = 1
Start
Read from
sector address
with FA
6
= 1,
FA
1
= 1, FA
0
= 0
Sector Protect:
Write 60h to
sector address
with FA
6
= 1,
FA
1
= 1, FA
0
= 0
Verify Sector
Protect: Write
40h to sector
address with
FA
6
= 1, FA
1
= 1,
FA
0
= 0
Set up first
sector address
Remove V
ID
from RST
All sectors
protected
First Write
Cycle = 60h
Write reset
command
Sector Unprotect
complete
Last sector
verified
No
Yes
Yes
No
No
No
Data = 00h
PLSCNT
= 1000
Yes
Set up
next sector
address
Device failed
Increment
PLSCNT
Protect all sectors:
The indicated portion
of the sector protect
algorithm must be
performed for all
unprotected sectors
prior to issuing the
first sector unprotect
address
No
No
Temporary Sector
Unprotect Mode
SECTOR PROTECT ALGORITHM
SECTOR UNPROTECT ALGORITHM
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WEDPNF8M722V-1010BC | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:8Mx72 Synchronous DRAM + 16Mb Flash Mixed Module Multi-Chip Package |
| WEDPNF8M722V-1010BI | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:8Mx72 Synchronous DRAM + 16Mb Flash Mixed Module Multi-Chip Package |
| WEDPNF8M722V-1010BM | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:8Mx72 Synchronous DRAM + 16Mb Flash Mixed Module Multi-Chip Package |
| WEDPNF8M722V-1012BC | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:8Mx72 Synchronous DRAM + 16Mb Flash Mixed Module Multi-Chip Package |
| WEDPNF8M722V-1012BI | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:8Mx72 Synchronous DRAM + 16Mb Flash Mixed Module Multi-Chip Package |
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