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M29F040 数据表(PDF) 26 Page - STMicroelectronics

部件名 M29F040
功能描述  4 Mbit 512Kb x8, Uniform Block Single Supply Flash Memory
PDF  31 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M29F040 数据表(HTML) 26 Page - STMicroelectronics

Back Button M29F040 Datasheet HTML 22Page - STMicroelectronics M29F040 Datasheet HTML 23Page - STMicroelectronics M29F040 Datasheet HTML 24Page - STMicroelectronics M29F040 Datasheet HTML 25Page - STMicroelectronics M29F040 Datasheet HTML 26Page - STMicroelectronics M29F040 Datasheet HTML 27Page - STMicroelectronics M29F040 Datasheet HTML 28Page - STMicroelectronics M29F040 Datasheet HTML 29Page - STMicroelectronics M29F040 Datasheet HTML 30Page - STMicroelectronics Next Button
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PROTECT
ALL BLOCKS
AI01371E
A6, A12, A16 = VIH
E, G, A9 = VIH
DATA
E, G, A9 = VID
Wait 4µs
W = VIH
E, G = VIH
READ at UNPROTECTION
ADDRESS: A1, A6 = VIH, A0 = VIL and
A16, A17, A18 DEFINING BLOCK
(see Note 1)
Wait 10ms
Wait 4µs
=
00h
INCREMENT
BLOCK
n = 0
Wait 4µs
W = VIL
++n
= 1000
START
FAIL
YES
YES
NO
PASS
NO
LAST
SECT.
YES
NO
Figure 14. Block Unprotecting Flowchart
Note: 1. A6 is kept at VIH during unprotection algorithm in order to secure best unprotection verification. During all other protection status
reads, A6 must be kept at VIL.
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M29F040



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