FEDL2500BFULL-02

OKI Semiconductor

ML2500BTA

21/27

Example for setting address

The below table shows the example for Start Address and Stop Address when the memory which is divided

into 8 phrases is recorded and played.

Address Control

1. Address Control for Recording

The LSI is designed to make recording in sectors, as the minimum recording unit. When a user sets up the Starting

Address for recording by using the STADR command, the page address, lower 4-bit of 13-bit user-defined Starting

Address, is automatically set to “0H” internally. Thus recording always begins at the starting address of each

sectors.

Meanwhile, when you define the Stop Address for recording by using the SPADR command, full 13-bit address

definition is valid. This enables you to specify the Stop Address for recording in pages. However, within the LSI

recording continues as far as to the last address of the following sector.

If the RDADR command is used to read the address value of the Memory Address Counter after completion of

recording, output value represents the Memory Address Counter’s value either at the time when the Stop Address

defined by the SPADR command has been reached, or when the LSI receives the STOP command that causes the

LSI to stop recording.

2. Address Control for Playback

The LSI is designed to make playback in pages, as the minimum playback unit, so full 13-bit address definition is

valid both with the STADR command and the SPADR command. You can, therefore, specify the start and stop

location by unit of page.

Start Address

Stop Address

Block

Sector

Page

Specified

Address

Block

Sector

Page

Specified

Address

A12,A11

A10

A4

A3

A0

A12

A3

A12

Phrase

No.

[0H

[0H

CH1

0

00

0

0000

0

27

F

027F

CH2

0

28

0

0280

0

4F

F

04FF

CH3

1

00

0

0800

1

27

F

0A7F

CH4

1

28

0

0A80

1

4F

F

0CFF

CH5

2

00

0

1000

2

27

F

127F

CH6

2

28

0

1280

2

4F

F

14FF

CH7

3

00

0

1800

3

27

F

1A7F

CH8

3

28

0

1A80

3

4F

F

1CFF