M29F800DT55N6(2003) Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

M29F800DT55N6
(Rev.:2003)

8 Mbit (1Mb x8 or 512Kb x16, Boot Block) 5V Supply Flash Memory

STMicroelectronics 

Figure 18. Programmer Equipment Chip Unprotect Flowchart

M29F800DT, M29F800DB

START

PROTECT ALL BLOCKS

n=0

CURRENT BLOCK = 0

A6, A12, A15 = VIH(1)

E, G, A9 = VID

Wait 4µs

W = VIL

Wait 10ms

W = VIH

E, G = VIH

ADDRESS = CURRENT BLOCK ADDRESS

A0 = VIL, A1, A6 = VIH

E = VIL

Wait 4µs

G = VIL

Wait 60ns

Read DATA

INCREMENT

CURRENT BLOCK

NO ++n

= 1000

YES

A9 = VIH

E, G = VIH

FAIL

NO DATA YES

=

00h

LAST NO

BLOCK

YES

A9 = VIH

E, G = VIH

PASS

AI03470

35/39

Share Link: