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M29DW128F Datasheet(PDF) 90 Page - STMicroelectronics

Part # M29DW128F
Description  128 Mbit (16Mb x8 or 8Mb x16, Multiple Bank, Page, Boot Block) 3V supply Flash memory
PDF  94 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M29DW128F Datasheet(HTML) 90 Page - STMicroelectronics

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M29DW128F
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Figure 26.
In-System equipment Chip Unprotect flowchart
1.
Block Protection Groups are shown in Appendix A, Table 34.
AI07759d
WRITE 60h
ANY ADDRESS WITH
A0, A2, A3, A4, A5, A7 = VIL
A1, A6 = VIH
n = 0
CURRENT GROUP = 0
Wait 10ms
WRITE 40h
ADDRESS =
CURRENT GROUP ADDRESS
A1 = VIH, A0, A2 to A7 = VIL
RP = VIH
++n
= 1000
START
FAIL
PASS
NO
DATA = 00h
YES
NO
RP = VIH
Wait 4µs
READ DATA
ADDRESS =
CURRENT GROUP ADDRESS
A1 = VIH, A0, A2 to A7 = VIL
RP = VID
ISSUE READ/RESET
COMMAND
ISSUE READ/RESET
COMMAND
PROTECT ALL GROUPS
INCREMENT
CURRENT GROUP
LAST
GROUP
YES
NO
WRITE 60h
ANY ADDRESS WITH
A1 = VIH, A0, A2 to A7 = VIL
YES



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