M5M29KB datasheet(27/32 Pages) RENESAS

27 / 32 page

M5M29KB/T331AVP

Renesas LSIs

Rev.1.0_48a_bezz

33,554,432-BIT (4,194,304-WORD BY 8-BIT /2,097,152-WORD BY 16-BIT)

CMOS 3.3V-ONLY, BLOCK ERASE FLASH MEMORY

Word / Byte Program Flow Chart

Block Erase Flow Chart

Page Program Flow Chart

Status Register Check Flow Chart

Start

Write 40H

Write Address,

Data

Status Register

Read

SR.7 = 1?

Full Status Check

If Desired

Word / Byte Program

Completed

Write

B0H?

YES

Suspend Loop

Write D0H

YES

Start

Write 41H

n = 0

Write Address n,

DATA n

SR.7 = 1?

Full Status Check

If Desired

Page Program

Completed

Write

B0H?

YES

Suspend Loop

Write D0H

YES

n + 1

n = 7FH?

n = FFH?

YES

Status Register

Read

Start

Write 20H

Write D0H

Block Address

SR.7 = 1?

Full Status Check

If Desired

Erase

Completed

Write

B0H?

YES

Suspend Loop

Write D0H

YES

Status Register

Read

Start

SR.3 = 0?

YES

SR.4,5 = 1?

YES

SR.5 = 0?

YES

SR.4 = 0?

YES

Pass

(Block Erase, Program)

Command

Sequence Error

Block Erase

Error

Program Error

(Page Program)

Block Erase Error

(Block Fail)

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