M5M29KB/T331AVP

Renesas LSIs

Rev.1.0_48a_bezz

11

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

Software Command Definition

Command List (WP# =VIH or VIL)

1) In the case of Word mode(BYTE#=VIH), upper byte data (DQ15-DQ8) is ignored.

2) Bank=Bank address (Bank(I)-Bank(IV): A20-18)

3) IA=ID code address: A0=VIL (Manufacturer’s code): A0=VIH (Device code), ID=ID code

4) SRD=Status Register Data

Command List (WP# =VIH)

Data

1)

Data

Data

(DQ0-15),(DQ0-7)

A20-A18

A0

(DQ0-15),(DQ0-7)

(DQ0-15),(DQ0-7)

Read Array

Write

X

FFH

Page Read

Write

X

F3H

Read

RD0

5)

Read

SA+i

6)

RDi

6)

Device Identifier

Write

Bank

2)

90H

Read

Bank

2)

IA

3)

ID

3)

Read Status Register

Write

Bank

2)

70H

Read

SRD

4)

Clear Status Register

Write

X

50H

Suspend

Write

Bank

2)

B0H

Resume

Write

Bank

2)

D0H

SA

5)

Bank

2)

Command

1st Bus Cycle

2nd Bus Cycle

3rd-5th Bus Cycles (Word mode)

3rd-9th Bus Cycles (Byte mode)

Mode

Address

Data

1)

Data

1)

Data

1)

(DQ0-15),(DQ0-7)

(DQ0-15),(DQ0-7)

(DQ0-15),(DQ0-7)

Word Program

Write

Bank

2)

40H

Write

WA

3)

WD

3)

Page Program

Write

Bank

2)

41H

Write

WA0

4)

WD0

4)

Write

WAn

4)

WDn

4)

Page Buffer to Flash

Write

Bank

2)

0EH

Write

WA

5)

D0H

1)

Block Erase/Confirm

Write

Bank

2)

20H

Write

BA

6)

D0H

1)

Erase All Unlocked Blocks

Write

X

A7H

Write

X

D0H

1)

Clear Page Buffer

Write

X

55H

Write

X

D0H

1)

Single Data Load to Page Buffer

Write

Bank

2)

74H

Write

WA

3)

WD

3)

Flash to Page Buffer

Write

Bank

2)

F1H

Write

RA

7)

D0H

1)

2nd Bus Cycle

Mode

Address

3rd-129th Bus Cycles (Word mode)

3rd-257th Bus Cycles (Byte mode)

Command

1st Bus Cycle

1) In the case of Word mode(BYTE#=VIH),Upper byte data (DQ15-DQ8) is ignored.

2) Bank=Bank address (Bank(I)-Bank(IV): A20-A18)

3) WA=Write Address, WD=Write Data

4) WA0, WAn=Write Address, WD0, WDn=Write Data.

Word mode (BYTE#=VIH) : Write address and write data must be provided sequentially from 00H to 7FH for A6-A0.

Page size is 128 words (128-word x 16-bit), and also A20-A7 (block address, page address) must be valid.

Byte mode (BYTE#=VIL) : Write address and write data must be provided sequentially from 00H to FFH for A6-A-1.

Page size is 256 Bytes (256-byte x 8-bit), and also A20-A7 (block address, page address) must be valid.

5) WA=Write Address: A20-A7 (block address, page address) must be valid.

6) BA=Block Address : A20-A12[Bank(I)], A20-A15 [Bank(II), Bank(III), Bank(IV)] must be valid.

7) RA=Read Address: A20-A7 (block address, page address) must be valid.