FEN30GP 参数 Datasheet PDF下载

型号：	FEN30GP
PDF下载：	下载PDF文件查看货源
内容描述：	[30.0 Ampere Heatsink Dual Common Anode Ultra Fast Recovery Half Bridge Rectifiers]
分类和应用：
文件页数/大小：	52 页 / 461 K
品牌：	WINBOND [ WINBOND ]

W19B(L)320ST/B

7.7 In-System Sector Protect/Unprotect Algorithms

START

Protect all sectors

The indicated portion

PLSCNT=1

#RESET=V_ID

Wait 1

of the sector protect

algorithm must be

performed for all

#RESET=VID

unprotected sectors

prior to issuing the

Wait 1 µ

first sector

unprotect address

First Write

Cycle=60h?

Temporary Sector

Unprotect Mode

Temporary Sector

Unprotect Mode

First Write

Cycle=60h?

Yes

Set up sector

address

All sector

protected?

Sector Protect:

Write 60h to sector

Yes

address with

A6=0,A1=1,A0=0

Set up first

sector address

Wait 150

Sector Unrotect:

Write 60h to sector

address with

A6=1,A1=1,A0=0

Verity Sector

Protect:Write 40h

Reset

PLSCNT=1

to sector address

Increment

PLSCNT

Wait 15 mS

with A6=0,

A1=1,A0=0

Increment

PLSCNT

Verity Sector

Unprotect:Write 40h

Read from

to sector address

sector address

with A6=0,

A1=1,A0=0

with A6=1,

A1=1,A0=0

Read from

sector address

with A6=1,

A1=1,A0=0

PLSCNT

=25?

Data=01h?

Yes

Set up

next sector

address

PLSCNT

=1000?

Data=00h?

Yes

Protect another

sector?

Device failed

Yes

Remove V

from #RESET

Last sector

verified

Device failed

Write reset

command

Yes

Sector Protect

Algorithm

Sector Unprotect

Algorithm

Remove V

from #RESET

Sector Protect

complete

Write reset

command

Sector Unprotectt

complete

- 32 -

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