W49F201S-55B Просмотр технического описания (PDF) - Winbond

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W49F201S-55B

128K x 16 CMOS FLASH MEMORY

Winbond 

Preliminary W49F201

TABLE OF COMMAND DEFINITION

COMMAND

NO. OF 1ST CYCLE 2ND CYCLE 3RD CYCLE 4TH CYCLE 5TH CYCLE 6TH CYCLE

DESCRIPTION

Cycles Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data

Read

1

AIN DOUT

Chip Erase

6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55 5555 10

Main Memory Erase 6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55 SA 30

Word Program

4

5555 AA 2AAA 55 5555 A0 AIN DIN

Boot Block Lockout

6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55 5555 40

Product ID Entry

Product ID Exit (1)

Product ID Exit (1)

3 5555 AA 2AAA 55 5555 90

3 5555 AA 2AAA 55 5555 F0

1 XXXX F0

Notes:

1. Address Format: A14−A0 (Hex); Data Format: DQ15−DQ8 (Don't Care); DQ7-DQ0 (Hex)

2. Either one of the two Product ID Exit commands can be used.

3. SA: Sector Address

SA = 03XXXh for Parameter Block1

SA = 05XXXh for Parameter Block2

SA = 1FXXXh

- for Main Memory Block when Boot Block lockout feature is activated

- for both Boot Block and Main Memory Block when Boot Block lockout feature is inactivated

-6-

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