參數(shù)資料
型號(hào)： AM70PDL129CDH85I
廠商： Spansion Inc.
英文描述： Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
中文描述： 堆疊式多芯片封裝（MCP / XIP）的快閃記憶體，數(shù)據(jù)存儲(chǔ)的MirrorBit閃存和移動(dòng)存儲(chǔ)芯片（XIP）的
文件頁數(shù)： 91/127頁
文件大?。?/td> 846K
代理商： AM70PDL129CDH85I
November 24, 2003
Am70PDL127CDH/Am70PDL129CDH
89
A D V A N C E I N F O R M A T I O N
Figure 2.
In-System Sector Group Protect/Unprotect Algorithms
Sector Group Protect:
Write 60h to sector
group address with
A6–A0 = 0xx0010
Set up sector
group address
Wait 150 μs
Verify Sector Group
Protect: Write 40h
to sector group
address with
A6–A0 = 0xx0010
Read from
sector group address
with A6–A0
= 0xx0010
START
PLSCNT = 1
RESET# = V
ID
Wait 1
μ
s
First Write
Cycle = 60h
Data = 01h
Remove V
from RESET#
Write reset
command
Sector Group
Protect complete
Yes
Yes
No
PLSCNT
= 25
Yes
Device failed
Increment
PLSCNT
Temporary Sector
Group Unprotect
Mode
No
Sector Group
Unprotect:
Write 60h to sector
group address with
A6–A0 = 1xx0010
Set up first sector
group address
Wait 15 ms
Verify Sector Group
Unprotect: Write
40h to sector group
address with
A6–A0 = 1xx0010
Read from
sector group
address with
A6–A0 = 1xx0010
START
PLSCNT = 1
RESET# = V
ID
Wait 1
μ
s
Data = 00h
Last sector
group
verified
Remove V
from RESET#
Write reset
command
Sector Group
Unprotect complete
Yes
No
PLSCNT
= 1000
Yes
Device failed
Increment
PLSCNT
Temporary Sector
Group Unprotect
Mode
No
All sector
groups
protected
Yes
Protect all sector
groups:
The indicated
portion of the sector
group protect algorithm
must be performed for all
unprotected sector
groups prior to issuing
the first sector group
unprotect address
Set up
next sector group
address
No
Yes
No
Yes
No
No
Yes
No
Sector Group
Protect
Algorithm
Sector Group
Unprotect
Algorithm
First Write
Cycle = 60h
Protect
another
sector group
Reset
PLSCNT = 1
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