SP7682EB Exar Corporation, SP7682EB Datasheet - Page 14

• Manufacturer Part Number: SP7682EB
• Description: Display Modules & Development Tools Backlight & Flash Driver in QFN 3x3 mm
• Manufacturer: Exar Corporation

Specifications of SP7682EB

• Product: Display Modules

DAC table for Backlight LED intensity
In the LED register bits B7, B6, B5, B4, B3 and B2
represent the DAC codes D5-D0 used to set the LED
current in the four LEDs. The following table lists the
DAC codes and the corresponding current for each
channel in mA:
Sept 27-07 rev G
000000
000001
000010
000011
000100
000101
000110
000111
001000
001001
001010
001011
001100
001101
001110
001111
010000
010001
010010
010011
010100
010101
010110
010111
011000
011001
011010
011011
011100
011101
011110
011111
B7-B2
(mA)
10.0
10.5
11.0
11.5
12.0
12.5
13.0
13.5
14.0
14.5
15.0
15.5
BL
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
0
B7-B2
100000
100001
100010
100011
100100
100101
100110
100111
101000
101001
101010
101011
101100
101101
101110
101111
110000
110001
110010
110011
110100
110101
110110
110111
111000
111001
111010
111011
111100
111101
111110
111111
SP7682: Backlight and Flash Driver
BL
(mA)
16.0
16.5
17.0
17.5
18.0
18.5
19.0
19.5
20.0
20.5
21.0
21.5
22.0
22.5
23.0
23.5
24.0
24.5
25.0
25.5
26.0
26.5
27.0
27.5
28.0
28.5
29.0
29.5
30.0
30.5
31.0
31.5
Page 14
DAC table for FLASH LED intensity
In the FLASH register bits B7, B6, B5, B4, B3 and B2
represent the DAC codes D5-D0 used to set the LED
current in the four LEDs. The following table lists the
DAC codes and the corresponding current for each
channel in mA:
000000
000001
000010
000011
000100
000101
000110
000111
001000
001001
001010
001011
001100
001101
001110
001111
010000
010001
010010
010011
010100
010101
010110
010111
011000
011001
011010
011011
011100
011101
011110
011111
B7-B2
Flash
(mA)
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
10
20
30
40
50
60
70
80
90
0
© 2007 Exar Corporation
APPLICATIONS INFORMATION
B7-B2
100000
100001
100010
100011
100100
100101
100110
100111
101000
101001
101010
101011
101100
101101
101110
101111
110000
110001
110010
110011
110100
110101
110110
110111
111000
111001
111010
111011
111100
111101
111110
111111
Flash
(mA)
320
330
340
350
360
370
380
390
400
410
420
430
440
450
460
470
480
490
500
500
500
500
500
500
500
500
500
500
500
500
500
500