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LP55281TL/NOPB データシート(PDF) 30 Page - Texas Instruments

部品番号 LP55281TL/NOPB
部品情報  LP55281 12-Channel RGB/White-LED Drive With SPI, I2C Interface
PDF  42 Pages
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メーカー  TI2 [Texas Instruments]
ホームページ  https://www.ti.com
Logo TI2 - Texas Instruments

LP55281TL/NOPB データシート(HTML) 30 Page - Texas Instruments

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LP55281
SNVS458D – JUNE 2007 – REVISED OCTOBER 2016
www.ti.com
Product Folder Links: LP55281
Submit Documentation Feedback
Copyright © 2007–2016, Texas Instruments Incorporated
(1)
r/o = read-only
7.6 Register Maps
Following table summarizes the registers and their default values
Address
Register
D7
D6
D5
D4
D3
D2
D1
D0
00h
RED1
R1 - IPLS[7:6]
R1_PWM[5:0]
0
0
0
0
0
0
0
0
01h
GREEN1
G1 - IPLS[7:6]
G1_PWM[5:0]
0
0
0
0
0
0
0
0
02h
BLUE1
B1 - IPLS[7:6]
B1_PWM[5:0]
0
0
0
0
0
0
0
0
03h
RED2
R2 - IPLS[7:6]
R2_PWM[5:0]
0
0
0
0
0
0
0
0
04h
GREEN2
G2 - IPLS[7:6]
G2_PWM[5:0]
0
0
0
0
0
0
0
0
05h
BLUE2
B2 - IPLS[7:6]
B2_PWM[5:0]
0
0
0
0
0
0
0
0
06h
RED3
R3 - IPLS[7:6]
R3_PWM[5:0]
0
0
0
0
0
0
0
0
07h
GREEN3
G3 - IPLS[7:6]
G3_PWM[5:0]
0
0
0
0
0
0
0
0
08h
BLUE3
B3 - IPLS[7:6]
B3_PWM[5:0]
0
0
0
0
0
0
0
0
09h
RED4
R4 - IPLS[7:6]
R4_PWM[5:0]
0
0
0
0
0
0
0
0
0Ah
GREEN4
G4 - IPLS[7:6]
G4_PWM[5:0]
0
0
0
0
0
0
0
0
0Bh
BLUE4
B4 - IPLS[7:6]
B4_PWM[5:0]
0
0
0
0
0
0
0
0
0Ch
ALED
ALED[7:0]
0
0
0
0
0
0
0
0
0Dh
Audio Sync
CTRL1
GAIN_SEL[2:0]
DC_FREQ
EN_AGC
EN_SYNC
SPEED_CTRL[1:0]
0
0
0
0
0
0
1
1
0Eh
Audio Sync
CTRL2
THRESHOLD[3:0]
0
0
0
0
0Fh
Boost Output
Boost[7:0]
0
0
1
1
1
1
1
1
10h
Frequency
Selections
FPWM1
FPWM0
FRQ_SEL[2:0]
0
0
1
1
1
11h
Enables
NSTBY
EN_BOOST
EN_AUTOL
OAD
EN_RGB4
EN_RGB3
EN_RGB2
EN_RGB1
0
0
0
0
0
0
0
12h
LED Test
EN_LTEST
MUX_LED[3:0]
0
0
0
0
0
13h(1)
ADC Output
DATA[7:0]
0
0
0
0
0
0
0
0
r/o
r/o
r/o
r/o
r/o
r/o
r/o
r/o
60h
Reset
Writing any data to Reset Register resets LP55281



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