參數(shù)資料
型號(hào): MX29LV320MTMI-70R
廠商: Macronix International Co., Ltd.
英文描述: 64M-BIT SINGLE VOLTAGE 3V ONLY UNIFORM SECTOR FLASH MEMORY
中文描述: 6400位單電壓3V時(shí)僅均勻部門閃存
文件頁(yè)數(shù): 49/70頁(yè)
文件大?。?/td> 555K
代理商: MX29LV320MTMI-70R
49
P/N:PM1093
REV. 1.1, AUG. 11, 2005
MX29LV64xM H/L
Figure 15. IN-SYSTEM SECTOR GROUP PROTECT/CHIP UNPROTECT ALGORITHMS WITH
RESET#=VID
START
PLSCNT=1
RESET#=VID
Wait 1us
Set up sector address
Sector Protect:
Write 60h to sector
address with
A6=0, A1=1, A0=0
Wait 150us
Verify Sector Protect:
Write 40h to sector
address with
A6=0, A1=1, A0=0
Read from
sector address
with
A6=0, A1=1, A0=0
Reset
PLSCNT=1
Remove VID from RESET#
Write reset command
Sector Protect
Algorithm
Chip Unprotect
Algorithm
Sector Protect complete
Remove VID from RESET#
Write reset command
Sector Unprotect complete
Device failed
Temporary Sector
Unprotect Mode
Increment PLSCNT
Increment PLSCNT
First Write
Cycle=60h
Set up first sector address
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
Sector Unprotect:
Write 60h to sector
address with
A6=1, A1=1, A0=0
Wait 15 ms
Verify Sector Unprotect:
Write 40h to sector
address with
A6=1, A1=1, A0=0
Read from
sector address
with
A6=1, A1=1, A0=0
Data=01h
PLSCNT=25
Device failed
START
PLSCNT=1
RESET#=VID
Wait 1us
First Write
Cycle=60h
All sectors
protected
Data=00h
PLSCNT=1000
Last sector
verified
Yes
Yes
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Protect another
sector
Reset
PLSCNT=1
Temporary Sector
Unprotect Mode
相關(guān)PDF資料
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