SST38VF6402 datasheet(58/66 Pages) MICROCHIP

58 / 66 page

DS20005015D

64 Mbit (x16) Advanced Multi-Purpose Flash Plus

SST38VF6401 / SST38VF6402 / SST38VF6403 / SST38VF6404

Figure 34:Password Operations (Program, Read, Submit)

Program

Load data: XXAAH

Address: 555H

Load data: XX55H

Address: 2AAH

Load data: XX60H

Address: 555H

Wait TIDA

Read data:

Status Data

Address: PWAX

Load data: XXA0H

Address: XXH

Load data: XX90H

Address: XXH

Load data: XX00H

Address: XXH

Load data: PWDX

Address: PWAX

Read

1309 F32.0

More to

Program or

Read?

Yes

Load data: XXAAH

Address: 555H

Load data: XX55H

Address: 2AAH

Load data: XX60H

Address: 555H

Load data: XX25H

Address: 00H

Load data: XX03H

Address: 00H

Load data: PWD0

Address: PWA0

Load data: XX29H

Address: 00H

Wait 2 µs

Wait TIDA

Load data: PWD1

Address: PWA1

Load data: PWD2

Address: PWA2

Load data: PWD3

Address: PWA3

Load data: XX90H

Address: XXH

Load data: XX00H

Address: XXH

Exit Password

Command Mode

Submit Password

Program / Read Password

Note: The PWDX and PWAX data and address pairs can be submitted in any order.

SST38VF6402 Datasheet(PDF) 58 Page - Microchip Technology

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