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LDLL16ENTR Datasheet(PDF) 49 Page - STMicroelectronics

Part # LDLL16ENTR
Description  16-channel LED driver with automotive CAN FD light interface
PDF  102 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LDLL16ENTR Datasheet(HTML) 49 Page - STMicroelectronics

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6.1
Registers description
6.1.1
Channel PWM duty cycle
Channel PWM duty cycle 0x01h register
Address
01h
Access
R/W
Data Byte 3
Data Byte 2
Data Byte 1
Data Byte 0
bit
31
bit
30
bit
29
bit
28
bit
27
bit
26
bit
25
bit
24
bit
23
bit
22
bit
21
bit
20
bit
19
bit
18
bit
17
bit
16
bit
15
bit
14
bit
13
bit
12
bit
11
bit
10
bit
9
bit
8
bit
7
bit
6
bit
5
bit
4
bit
3
bit
2
bit
1
bit
0
-
-
PWM_DUTY_ALL
Table 19. Channel PWM duty cycle 0x01h field description
Bit
Name
Default
Description
31-16
-
0000h
Not used
15-8
-
0h
Not used
7-0
PWM_DUTY_ALL
FTP
Linear Global PWM dimming for outputs mapped to DIN adjustable in 1/256 steps
00h: 0.0%
7Fh: 49.8%
FFh: 100%
Channel PWM duty cycle 0x02h register
Address
02h
Access
R/W/BW
Data Byte 3
Data Byte 2
Data Byte 1
Data Byte 0
bit
31
bit
30
bit
29
bit
28
bit
27
bit
26
bit
25
bit
24
bit
23
bit
22
bit
21
bit
20
bit
19
bit
18
bit
17
bit
16
bit
15
bit
14
bit
13
bit
12
bit
11
bit
10
bit
9
bit
8
bit
7
bit
6
bit
5
bit
4
bit
3
bit
2
bit
1
bit
0
PWM_DUTY_CH3
PWM_DUTY_CH2
PWM_DUTY_CH1
PWM_DUTY_CH0
Table 20. Channel PWM duty cycle 0x02h field description
Bit
Name
Default
Description
31-24 PWM_DUTY_CH3
00h
Exponential individual PWM dimming for channel 3 according to law embedded in the
Figure 9
00h: 0% - channel off
01h: 0.10%
7Fh: 3.09%
FFh: 100% - channel on in DC
23-16 PWM_DUTY_CH2
00h
Exponential individual PWM dimming for channel 2 according to law embedded in the
Figure 9
00h: 0% - channel off
01h: 0.10%
7Fh: 3.09%
LDLL16EN
FTP and RAM memory mapping
DS14111 - Rev 5
page 49/102



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