參數(shù)資料
型號: 29LV320BTC-70
廠商: Macronix International Co., Ltd.
英文描述: 32 BIT 4M X 8 / 2M X 16 ] SINGLE VOLTAGE 3V ONLY FLASH MEMORY
中文描述: 32位4米× 8 / 2米× 16]單電壓3V時僅閃存
文件頁數(shù): 46/63頁
文件大?。?/td> 949K
代理商: 29LV320BTC-70
46
P/N:PM0742
REV. 1.4, JUL. 04, 2003
MX29LV320T/B
Fig 17. CHIP UNPROTECT FLOWCHART(A9, OE Control)
START
Protect All Sectors
PLSCNT=1
Chip Unprotect
Complete
Data=00H
Yes
Set OE=A9=VID
CE=VIL, A6=1
Activate WE Pulse
Time Out Timing (note 1)
Set OE=CE=VIL
A9=VID, A1=1, A6=A0=0
Set Up First Sector Addr
All sectors have
been verified
Remove VID from A9
Write Reset Command
Device Failed
PLSCNT=1000
No
Increment
PLSCNT
No
Read Data from Device
Yes
Yes
No
Increment
Sector Addr
* It is recommended before unprotect whole chip, all sectors should be protected in advance.
Note:
1. If TA range during 0
°
C to 70
°
C, the time out timing is 15ms.
If TA range during -40
°
C to 85
°
C, the time out timing is 18ms.
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