M29F100-B120XM6R View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

M29F100-B120XM6R

1 Mbit (128Kb x8 or 64Kb x16, Boot Block) Single Supply Flash Memory

STMicroelectronics 

Prev 21 22 23 24 25 26 27 28 29 30

M29F100T, M29F100B

Figure 14. Block Protection Flowchart

Set-up

Protect

Verify

START

BLOCK ADDRESS

on A12-A15

W = VIH

n=0

G, A9 = VID,

E = VIL

Wait 4µs

W = VIL

Wait 100µs

W = VIH

E, G = VIH

VERIFY BLOCK PROTECTION

A0, A6 = VIL; A1 = VIH; A9 = VID

A12-A15 IDENTIFY BLOCK

E = VIL

Wait 4µs

G = VIL

Wait 60ns

VERIFY BLOCK

PROTECT STATUS

DATA NO

=

01h

YES

A9 = VIH

PASS

++n NO

= 25

YES

A9 = VIH

FAIL

AI01984C

24/30

Share Link: