5962-9461201HMX Просмотр технического описания (PDF) - Aeroflex Corporation

Номер в каталоге

Компоненты Описание

Список матч

5962-9461201HMX

High Speed 16 Megabit FLASH Multichip Module

Aeroflex Corporation 

Figure 12

Sector Unprotect Algorithm

Start

Protect All Sectors

Verify 98403/98406

Device Code

PLSCNT = 1

Set Up Sector Address

Unprotected Mode

(A5 = VIH, A9 = VIL)

Set OE = VID OR VSP

WE = VSP

Activate CE Pulse

Time Out 5 mS

Set OE = VIL, WE = VIH

A6 = VIH, A9 = VID OR VSP

Setup Sector Address SA0

Set A1, A0 = 1, 0

CE = VIL

Read Data

From Device

Increment

Sector Address

Notes:

SA0 = Sector Address for initial sector

SA7 = Sector Address for last sector

Please refer to Table 2 for details

Aeroflex Circuit Technology

No

Data = 00H

?

Yes

No

Sector

Address = SA7

?

Yes

Remove VID OR VSP from A9

Sector Unprotect

Completed

16

A

Increment

PLSCNT

No

PLSCNT = 1000

?

Yes

Device Failure

SCD1665 REV B 6/29/01 Plainview NY (516) 694-6700

Share Link: