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LP5562 датащи(PDF) 35 Page - Texas Instruments

номер детали LP5562
подробное описание детали  LP5562 Four-Channel RGB- or White-LED Driver With Internal Program Memory and Independent Channel Control
PDF  52 Pages
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производитель  TI2 [Texas Instruments]
домашняя страница  https://www.ti.com
Logo TI2 - Texas Instruments

LP5562 датащи(HTML) 35 Page - Texas Instruments

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35
LP5562
www.ti.com
SNVS820B – APRIL 2013 – REVISED DECEMBER 2016
Product Folder Links: LP5562
Submit Documentation Feedback
Copyright © 2013–2016, Texas Instruments Incorporated
7.6.8 R LED Output Current Control Register (R_CURRENT) (address = 07h) [reset = AFh]
Figure 33. R_CURRENT Control Register
7
6
5
4
3
2
1
0
R_CURRENT[7:0]
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 34. R_CURRENT Register Field Descriptions
Bit
Field
Type
Reset
Description
7:0
R_CURRENT
R/W
Current setting
0000 0000b = 0.0 mA
0000 0001b = 0.1 mA
0000 0010b = 0.2 mA
0000 0011b = 0.3 mA
0000 0100b = 0.4 mA
0000 0101b = 0.5 mA
0000 0110b = 0.6 mA
...
1010 1111b = 17.5 mA (default)
...
1111 1011b = 25.1 mA
1111 1100b = 25.2 mA
1111 1101b = 25.3 mA
1111 1110b = 25.4 mA
1111 1111b = 25.5 mA
7.6.9 Configuration Control Register (CONFIG) (address = 08h) [reset = 00h]
Figure 34. CONFIG Register
7
6
5
4
3
2
1
0
PWM_HF
PS_EN
CLK_DET_EN
INT_CLK_EN
R/W
R/W
R/W
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 35. CONFIG Register Field Descriptions
Bit
Field
Type
Reset
Description
6
PWM_HF
R/W
PWM clock
0 = 256-Hz PWM clock used
1 = 558-Hz PWM clock used
5
PWRSAVE_EN
R/W
Power save mode enable
1:0
CLK_DET_EN,
INT_CLK_EN
R/W
LED Controller clock source
00b = External clock source (CLK_32K)
01b = Internal clock
10b = Automatic selection
11b = Internal clock



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