M29F800DB STMICROELECTRONICS [STMicroelectronics], M29F800DB Datasheet - Page 36
M29F800DB
Manufacturer Part Number
M29F800DB
Description
8 Mbit (1Mb x8 or 512Kb x16, Boot Block) 5V Supply Flash Memory
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.M29F800DB.pdf
(39 pages)
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M29F800DT, M29F800DB
Figure 19. In-System Equipment Block Protect Flowchart
36/39
ADDRESS = BLOCK ADDRESS
ADDRESS = BLOCK ADDRESS
ADDRESS = BLOCK ADDRESS
ADDRESS = BLOCK ADDRESS
A0 = V IL , A1 = V IH , A6 = V IL
A0 = V IL , A1 = V IH , A6 = V IL
A0 = V IL , A1 = V IH , A6 = V IL
A0 = V IL , A1 = V IH , A6 = V IL
ISSUE READ/RESET
READ DATA
WRITE 60h
WRITE 60h
WRITE 40h
COMMAND
Wait 100µs
RP = V ID
RP = V IH
Wait 4µs
START
DATA
PASS
n = 0
01h
=
YES
NO
ISSUE READ/RESET
COMMAND
RP = V IH
FAIL
= 25
++n
YES
NO
AI03471