M29F080D90N6E 查看數據表（PDF） - STMicroelectronics

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M29F080D90N6E

8 Mbit (1Mb x8, Uniform Block) 5V Supply Flash Memory

STMicroelectronics 

M29F080D

Figure 16. In-System Equipment Group Protect Flowchart

START

n=0

RP = VID

WRITE 60h

ADDRESS = GROUP ADDRESS

A0 = VIL, A1 = VIH, A6 = VIL

WRITE 60h

ADDRESS = GROUP ADDRESS

A0 = VIL, A1 = VIH, A6 = VIL

Wait 100µs

WRITE 40h

ADDRESS = GROUP ADDRESS

A0 = VIL, A1 = VIH, A6 = VIL

Wait 4µs

READ DATA

ADDRESS = GROUP ADDRESS

A0 = VIL, A1 = VIH, A6 = VIL

DATA NO

=

01h

YES

RP = VIH

ISSUE READ/RESET

COMMAND

PASS

++n NO

= 25

YES

RP = VIH

ISSUE READ/RESET

COMMAND

FAIL

Note: Block Protection Groups are shown in Appendix A, Table 15.

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AI05576

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