TB62709F Ver la hoja de datos (PDF) - Marktech Optoelectronics

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Fabricante

TB62709F

TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic

Marktech Optoelectronics 

TOSHIBA Bi-CMOS Integrated

Circuit Silicon Monolithic

TB62709N/F

Brightness Control

Brightness is controlled by controlling the “on time” duty cycle. The device allows for 16 bright-

ness steps as illustrated in list 3 with 0/16 as the dimmest setting (not illuminated) to 15/16 as

the brightest setting. The duty cycle control register is addressed with a 20 Hex command at

D15~D8 and the appropriate data per list 3 at D3~D0. D7~D4 are not recognized by the duty

cycle register. The initial state, upon power up is 15/16, or full brightness.

Duty Cycle

0/16

1/16

2/16

3/16

4/16

5/16

6/16

7/16

8/16

9/16

10/16

11/16

12/16

13/16

14/16

15/16

D15~D8

20H

20H

20H

20H

20H

20H

20H

20H

20H

20H

20H

20H

20H

20H

20H

20H

REGISTER DATA

D7~D4 D3 D2 D1 D0

—

0000

—

0001

—

0 0 10

—

00 11

—

0 100

—

0 10 1

—

0 1 10

—

0 111

—

10 0 0

—

100 1

—

10 10

—

10 11

—

1 10 0

—

110 1

—

1 1 10

—

1111

Hex Code

20X0H

20X1H

20X2H

20X3H

20X4H

20X5H

20X6H

20X7H

20X8H

20X9H

20XAH

20XBH

20XCH

20XDH

20XEH

20XFH

INITIAL

STATE

⇐

“x” indicates that data is required in this field to execute the function. “-” indicates that data in

this field is not required and not recognized.

marktech

optoelectronics

120 Broadway • Menands, New York 12204

Toll Free: (800) 98-4LEDS • Fax: (518) 432-7454

For up-to-date product info visit our web site at www.marktechopto.com

594

All specifications subject to change.

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