M65KG512AB datasheet(18/54 Pages) STMICROELECTRONICS

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Commands

M65KG526AB

18/54

Table 4.

Minimum delay between two commands in concurrent Auto Precharge Mode

From command

To command

Minimum delay between the 2 commands in

concurrent Auto Precharge mode(1)

Unit

READA

READ or READA

BL/2

tCK

WRITE or WRITEA

CAS Latency (rounded up) + BL/2

tCK

PRE or ACT

tCK

WRITEA

READ or READA

1 + BL/2 + tWTR

tCK

WRITE or WRITEA

BL/2

tCK

PRE or ACT

tCK

BL = Burst Length.

Table 5.

Burst Type Definition

Start

addr. (A0-

A3)

Burst length = 2

words

Burst length = 4

words

Burst length = 8 words

Burst length = 16 words

Sequen-

tial

Inter-

leaved

Sequen-

tial

Inter-

leaved

Sequential

Interleaved

Sequential

Interleaved

00h

0-1

0-1-2-3

0-1-2-3-4-5-6-7

0-1-2-..D-E-F

01h

1-0

1-2-3-0

1-0-3-2

1-2-3-4-5-6-7-0

1-0-3-2-5-4-7-6

1-2-3..D-E-F-0

1-0-3-..C-F-E

02h

2-3-0-1

2-3-4-5-6-7-0-1

2-3-0-1-6-7-4-5

2-3-4..E-F-0-1

2-3-0- ..F-C-D

03h

3-0-1-2

3-2-1-0

3-4-5-6-7-0-1-2

3-2-1-0-7-6-5-4

3-4-5..F-0-1-2

3-2-1-..E-D-C

04h

4-5-6-7-0-1-2-3

4-5-6..0-1-2-3

4-5-6-..9-A-B

05h

5-6-7-0-1-2-3-4

5-4-7-6-1-0-3-2

5-6-7..1-2-3-4

5-4-7..8-B-A

06h

6-7-0-1-2-3-4-5

6-7-4-5-2-3-0-1

6-7-8..2-3-4-5

6-7-4-..B-8-9

07h

7-0-1-2-3-4-5-6

7-6-5-4-3-2-1-0

7-8-9..3-4-5-6

7-6-5-..A-9-8

08h

8-9-A..4-5-6-7

8-9-A..5-6-7

09h

9-A-B..5-6-7-8

9-8-A..4-7-6

0Ah

A-B-C..6-7-8-9

A-B-8..7-4-5

0Bh

B-C-D..7-8-9-A

B-A-9..6-5-4

0Ch

C-D-E..8-9-A-B

C-D-E..1-2-3

0Dh

D-E-F..9-A-B-C

D-C-F..0-3-2

0Eh

E-F-0..A-B-C-D

E-F-C..3-0-1

0Fh

F-0-1..B-C-D-E

F-E-D..2-1-0

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