參數(shù)資料
型號: MX29LV017AXEI-90
廠商: Electronic Theatre Controls, Inc.
英文描述: 16M-BIT [2Mx8] CMOS SINGLE VOLTAGE
中文描述: 1,600位[2Mx8] CMOS單電壓
文件頁數(shù): 40/57頁
文件大?。?/td> 641K
代理商: MX29LV017AXEI-90
40
P/N:PM0901
MX29LV017A
REV. 1.0, NOV. 22, 2002
Figure 15. IN-SYSTEM CHIP UNPROTECTION ALGORITHM WITH RESET=VID
START
PLSCNT=1
First Write
Cycle=60H
Yes
No
RESET=VID
Wait 1us
Set up first sector address
Chip unprotect :
write 60H with
A6=1, A1=1, A0=0
Verify sector unprotect
write 40H to sector address
with A6=1, A1=1, A0=0
Wait 15ms
Increment PLSCNT
Read from sector address
with A6=1, A1=1, A0=0
Remove VID from RESET
Temporary Sector
Unprotect Mode
Set up next sector address
All sector
protected
Yes
Data=00H
Yes
Yes
Yes
No
No
No
No
Protect all sectors
PLSCNT=1000
Last sector
verified
Write reset command
Chip unprotect complete
Device failed
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