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M29W320EB90ZE6 参数 Datasheet PDF下载

M29W320EB90ZE6图片预览
型号: M29W320EB90ZE6
PDF下载: 下载PDF文件 查看货源
内容描述: 32兆位( 4Mbx8或2Mbx16 ,统一参数块,引导块) 3V供应闪存 [32 Mbit (4Mbx8 or 2Mbx16, Uniform Parameter Blocks, Boot Block) 3V supply Flash memory]
分类和应用: 闪存
文件页数/大小: 63 页 / 1191 K
品牌: NUMONYX [ NUMONYX B.V ]
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M29W320ET, M29W320EB
Figure 22. In-system Equipment Chip Unprotect flowchart
Block Protection
START
PROTECT ALL GROUPS
Set-up
n=0
CURRENT GROUP = 0
RP = VID
WRITE 60h
ANY ADDRESS WITH
A0 = VIL, A1 = VIH, A6 = VIH
Unprotect
WRITE 60h
ANY ADDRESS WITH
A0 = VIL, A1 = VIH, A6 = VIH
Wait 10ms
WRITE 40h
ADDRESS = CURRENT GROUP ADDRESS
A0 = VIL, A1 = VIH, A6 = VIH
Verify
Wait 4µs
READ DATA
ADDRESS = CURRENT GROUP ADDRESS
A0 = VIL, A1 = VIH, A6 = VIH
INCREMENT
CURRENT GROUP
NO
DATA
=
00h
YES
NO
++n
= 1000
YES
RP = VIH
LAST
GROUP
YES
RP = VIH
NO
End
ISSUE READ/RESET
COMMAND
ISSUE READ/RESET
COMMAND
FAIL
PASS
AI05577
1. Block Protection groups are shown in
and
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