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LP8550TLX-A/NOPB.A Scheda tecnica(PDF) 29 Page - Texas Instruments

Il numero della parte LP8550TLX-A/NOPB.A
Spiegazioni elettronici  LP8550 High-Efficiency LED Backlight Driver for Notebooks
PDF  49 Pages
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Produttore elettronici  TI2 [Texas Instruments]
Homepage  https://www.ti.com
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LP8550TLX-A/NOPB.A Scheda tecnica(HTML) 29 Page - Texas Instruments

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LP8550
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SNVS657E – SEPTEMBER 2010 – REVISED SEPTEMBER 2014
8.6.1.5 Direct Control
Address 04h
Reset value 0000 0000b
DIRECT CONTROL REGISTER
7
6
5
4
3
2
1
0
OUT[6:1]
Name
Bit
Access
Description
OUT
5:0
R/W
Direct control of the LED outputs
0 = Normal operation. LED output are controlled with PWM.
1 = LED output is forced to 100% PWM.
8.6.1.6 Temp MSB
Address 05h
Reset value 0000 0000b
TEMP MSB REGISTER
7
6
5
4
3
2
1
0
TEMP[10:3]
Name
Bit
Access
Description
TEMP
7:0
R
Device internal temperature sensor reading first 8 MSB. MSB must be read before LSB,
because reading of MSB register latches the data.
8.6.1.7 Temp LSB
Address 06h
Reset value 0000 0000b
TEMP LSB REGISTER
7
6
5
4
3
2
1
0
TEMP[2:0]
Name
Bit
Access
Description
TEMP
7:5
R
Device internal temperature sensor reading last 3 LSB. MSB must be read before LSB,
because reading of MSB register latches the data.
8.6.1.8 EEPROM Control
Address 72h
Reset value 0000 0000b
EEPROM CONTROL REGISTER
7
6
5
4
3
2
1
0
EE_READY
EE_INIT
EE_PROG
EE_READ
Name
Bit
Access
Description
EE_READY
7
R
EEPROM ready
0 = EEPROM programming or read in progress
1 = EEPROM ready, not busy
EE_INIT
2
R/W
EEPROM initialization bit. This bit must be written 1 before EEPROM read or
programming.
Copyright © 2010–2014, Texas Instruments Incorporated
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