M29DW128F datasheet(40/94 Pages) STMICROELECTRONICS

40 / 94 page

Command interface

M29DW128F

40/94

Table 14.

Fast Program Commands, 16-bit mode(1)

Command

Bus Write operations

1st

2nd

3rd

4th

5th

6th

Add

Data

Add

Data

Add

Data

Add

Data

Add

Data

Add

Data

Write to Buffer and Program

N+

555

2AA

N(2)

PA(3)

WBL

(4)

Write to Buffer and Program Abort and

Reset

555

2AA

555

Write to Buffer and Program Confirm

BA(5)

Double Word Program

555

PA0

PD0

PA1

PD1

Quadruple Word Program

555

PA0

PD0

PA1

PD1

PA2

PD2

PA3

PD3

Unlock Bypass

555

2AA

555

Unlock Bypass Program

Unlock Bypass Reset

X Don’t Care, PA Program Address, PD Program Data, BA Any address in the Block, BKA Bank Address, WBL Write

Buffer Location. All values in the table are in hexadecimal.

The maximum number of cycles in the command sequence is 36. N+1 is the number of Words to be programmed during

the Write to Buffer and Program operation.

Each buffer has the same A5-A22 addresses. A0-A4 are used to select a Word within the N+1 Word page.

The 6th cycle has to be issued N time. WBL scans the Word inside the page.

BA must be identical to the address loaded during the Write to buffer and Program 3rd and 4th cycles.

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