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ADP5520 Datasheet(PDF) 27 Page - Analog Devices

Part # ADP5520
Description  Backlight Driver with I/O Expander
PDF  40 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP5520 Datasheet(HTML) 27 Page - Analog Devices

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ADP5520
Rev. 0 | Page 27 of 40
Bit
Mnemonic
R/W
Description
3 to 2
LED2_OFFT
R/W
Sets the LED 2 off time when used in conjunction with the LED_ONT timer to perform LED
blinking. LED 2 stays on continuously if the timer is disabled.
00 = LED 2 timer disabled.
01 = 0.6 sec.
10 = 0.8 sec.
11 = 1.2 sec.
1 to 0
LED1_OFFT
R/W
Sets the LED 1 off time when used in conjunction with the LED _ONT timer to perform LED
blinking. LED 1 stays on continuously if the timer is disabled.
00 = LED 1 timer disabled.
01 = 0.6 sec.
10 = 0.8 sec.
11 = 1.2 sec.
Table 27. Register 0x13, LED Fade-In and Fade-Out Timers (LED_FADE)
Bit
Mnemonic
R/W
Description
7 to 4
LED_FO
R/W
LED fade-out timer (timer should be set before LED x_EN is enabled).
0000 = timer disabled.
0001 = 0.3 sec.
0010 = 0.6 sec.
0011 = 0.9 sec.
0100 = 1.2 sec.
0101 = 1.5 sec.
0110 = 1.8 sec.
0111 = 2.1 sec.
1000 = 2.4 sec.
1001 = 2.7 sec.
1010 = 3.0 sec.
1011 = 3.5 sec.
1100 = 4.0 sec.
1101 = 4.5 sec.
1110 = 5.0 sec.
1111 = 5.5 sec.
3 to 0
LED_FI
R/W
LED fade-in timer (timer should be set before LED x_EN is enabled).
0000 = timer disabled.
0001 = 0.3 sec.
0010 = 0.6 sec.
0011 = 0.9 sec.
0100 = 1.2 sec.
0101 = 1.5 sec.
0110 = 1.8 sec.
0111 = 2.1 sec.
1000 = 2.4 sec.
1001 = 2.7 sec.
1010 = 3.0 sec.
1011 = 3.5 sec.
1100 = 4.0 sec.
1101 = 4.5 sec.
1110 = 5.0 sec.
1111 = 5.5 sec.



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