M29W320 ST Microelectronics, M29W320 Datasheet - Page 42
M29W320
Manufacturer Part Number
M29W320
Description
32 Mbit 4Mb x8 or 2Mb x16 / Boot Block 3V Supply Flash Memory
Manufacturer
ST Microelectronics
Datasheet
1.M29W320.pdf
(44 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Part Number:
M29W320DB-70N1
Manufacturer:
ST
Quantity:
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Company:
Part Number:
M29W320DB-70N6
Manufacturer:
ST
Quantity:
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Part Number:
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Manufacturer:
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M29W320DT, M29W320DB
Figure 21. In-System Equipment Chip Unprotect Flowchart
42/44
ISSUE READ/RESET
NO
COMMAND
RP = V IH
= 1000
FAIL
++n
YES
ADDRESS = CURRENT BLOCK ADDRESS
ADDRESS = CURRENT BLOCK ADDRESS
A0 = V IL , A1 = V IH , A6 = V IH
A0 = V IL , A1 = V IH , A6 = V IH
A0 = V IL , A1 = V IH , A6 = V IH
A0 = V IL , A1 = V IH , A6 = V IH
PROTECT ALL BLOCKS
CURRENT BLOCK = 0
ANY ADDRESS WITH
ANY ADDRESS WITH
NO
READ DATA
WRITE 60h
WRITE 60h
WRITE 40h
Wait 10ms
RP = V ID
Wait 4µs
START
DATA
n = 0
00h
=
YES
ISSUE READ/RESET
COMMAND
RP = V IH
BLOCK
PASS
LAST
YES
CURRENT BLOCK
INCREMENT
NO
AI03472