Texas Instruments LM3549 Evaluation Board LM3549SQEV/NOPB LM3549SQEV/NOPB 数据表

SNVS640A – AUGUST 2010 – REVISED MAY 2013

09H

IG1_LSB

Green 1 [7:0]

E7H

EEPROM

0AH

IG1_MSB

N/A

Green 1 [9:8]

00H

EEPROM

0BH

IB1_LSB

Blue 1 [7:0]

E7H

EEPROM

0CH

IB1_MSB

N/A

Blue 1 [9:8]

00H

EEPROM

0DH

IR2_LSB

Red 2 [7:0]

4DH

EEPROM

0EH

IR2_MSB

N/A

Red 2 [9:8]

00H

EEPROM

0FH

IG2_LSB

Green 2 [7:0]

4DH

EEPROM

10H

IG2_MSB

N/A

Green 2 [9:8]

00H

EEPROM

11H

IB2_LSB

Blue 2 [7:0]

4DH

EEPROM

12H

IB2_MSB

N/A

Blue 2 [9:8]

00H

EEPROM

13H

FADER

MASTER FADER [7:0]

FFH

EEPROM

14H

CTRL

N/A

SOFT

TIME OUT[1:0]

MFE

PWM

00H

EEPROM

START[1:0]

15H

ILIMIT

N/A

POS_LIMIT[1:0]

N/A

NEG_LIMIT[1:0]

11H

EEPROM

16H

F_MASK

N/A

SHORT

OPEN

UVLO

TSD

OCP

00H

EEPROM

17H

FAULT

N/A

SHORT[1:0]

OPEN[1:0]

UVLO

TSD

OCP

00H

Read Only

19H

USR1

User Register1[7:0]

00H

EEPROM

1AH

USR2

User Register2[7:0]

00H

EEPROM

40H

EEPROM

EE

EE init

EE prog

EE read

00H

R/W

CONTROL

ready

Bank selection register. Selects one of the three current setting banks.

0

0

Bank 0

0

1

Bank 1

1

0

Bank 2

1

1

Bank 2

Red LED current setting for Bank 0. IR0_LSB holds the eight least significant bits and IR0_MSB the two most
significant bits.

Green LED current setting for Bank 0. IG0_LSB holds the eight least significant bits and IG0_MSB the two most
significant bits.

Blue LED current setting for Bank 0. IB0_LSB holds the eight least significant bits and IB0_MSB the two most
significant bits.

Red LED current setting for Bank 1. IR1_LSB holds the eight least significant bits and IR1_MSB the two most
significant bits.

Green LED current setting for Bank 1. IG1_LSB holds the eight least significant bits and IG1_MSB the two most
significant bits.

16

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