M29F800DB 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

生产厂家

M29F800DB

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

STMicroelectronics 

Block protection

Figure 16. Programmer Equipment Block Protect flowchart

START

ADDRESS = BLOCK ADDRESS

W = VIH

n=0

G, A9 = VID,

E = VIL

Wait 4µs

W = VIL

Wait 100µs

W = VIH

E, G = VIH,

A0, A6 = VIL,

A1 = VIH

E = VIL

Wait 4µs

G = VIL

Wait 60ns

Read DATA

DATA NO

=

01h

YES

A9 = VIH

E, G = VIH

PASS

++n NO

= 25

YES

A9 = VIH

E, G = VIH

FAIL

M29F800DT

AI03469

48/53

Share Link: