參數(shù)資料
型號(hào)： M750000008
廠商： Spansion Inc.
英文描述： 128 Megabit (8 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Read/Write Flash Memory
中文描述： 128兆位（8米× 16位），3.0伏的CMOS只，同步讀/寫閃存
文件頁數(shù)： 91/136頁
文件大小： 1250K
代理商： M750000008
February 5, 2004
Am75PDL191CHH/Am75PDL193CHH
89
A D V A N C E I N F O R M A T I O N
Figure 2.
In-System Sector Protect/Unprotect Algorithms
Sector Protect:
Write 60h to sector
address with
A7-A0 =
00000010
Set up sector
address
Wait 100 μs
Verify Sector
Protect: Write 40h
to sector address
with A7-A0 =
00000010
Read from
sector address
with A7-A0 =
00000010
START
PLSCNT = 1
RESET# = V
ID
Wait 4
μ
s
First Write
Cycle = 60h
Data = 01h
Remove V
from RESET#
Write reset
command
Sector Protect
complete
Yes
Yes
No
PLSCNT
= 25
Yes
Device failed
Increment
PLSCNT
Temporary Sector
Unprotect Mode
No
Sector Unprotect:
Write 60h to sector
address with
A7-A0 =
01000010
Set up first sector
address
Wait 1.2 ms
Verify Sector
Unprotect: Write
40h to sector
address with
A7-A0 =
00000010
Read from
sector address
with A7-A0 =
00000010
START
PLSCNT = 1
RESET# = V
ID
Wait 4
μ
s
Data = 00h
Last sector
verified
Remove V
from RESET#
Write reset
command
Sector Unprotect
complete
Yes
No
PLSCNT
= 1000
Yes
Device failed
Increment
PLSCNT
Temporary Sector
Unprotect Mode
No
All sectors
protected
Yes
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
Set up
next sector
address
No
Yes
No
Yes
No
No
Yes
No
Sector Protect
Algorithm
Sector Unprotect
Algorithm
First Write
Cycle = 60h
Protect another
sector
Reset
PLSCNT = 1
Remove V
from RESET#
Write reset
command
Sector Protect
complete
Remove V
from RESET#
Write reset
command
Sector Unprotect
complete
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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M75012 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PHOTOELECTRIC SMOKE DETECTOR WITH INTERCONNECT
M75018 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IONIZATION SMOKE DETECTOR WITH INTERCONNECT
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