Datasheet
LM3549
SNVS640A –AUGUST 2010–REVISED MAY 2013
www.ti.com
ADDR NAME D7 D6 D5 D4 D3 D2 D1 D0 DEFAULT NOTE
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
I
2
C Register Details
00h BANK_SEL[1:0]
Bank selection register. Selects one of the three current setting banks.
BIT BANK SELECTION
0 0 Bank 0
0 1 Bank 1
1 0 Bank 2
1 1 Bank 2
01h IR0_LSB and 02h IR0_MSB
Red LED current setting for Bank 0. IR0_LSB holds the eight least significant bits and IR0_MSB the two most
significant bits.
03h IG0_LSB and 04h IG0_MSB
Green LED current setting for Bank 0. IG0_LSB holds the eight least significant bits and IG0_MSB the two most
significant bits.
05h IB0_LSB and 06h IB0_MSB
Blue LED current setting for Bank 0. IB0_LSB holds the eight least significant bits and IB0_MSB the two most
significant bits.
07h IR1_LSB and 08h IR1_MSB
Red LED current setting for Bank 1. IR1_LSB holds the eight least significant bits and IR1_MSB the two most
significant bits.
09h IG1_LSB and 0Ah IG1_MSB
Green LED current setting for Bank 1. IG1_LSB holds the eight least significant bits and IG1_MSB the two most
significant bits.
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