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L99LD01 Datenblatt(PDF) 43 Page - STMicroelectronics

Teilenummer L99LD01
Bauteilbeschribung  High efficiency constant current LED driver for automotive applications
PDF  69 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L99LD01 Datenblatt(HTML) 43 Page - STMicroelectronics

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L99LD01
SPI functional description
68
Figure 27. Principle of the WD_Status bits
Trimming and test register
Address:
0x3Eh
Type:
R/W
Reset:
0000 0000 0000 0000b
Configuration register
Address:
0x3Fh
Type:
R/W
Reset:
0000 0000 0000 0000b
15
14
13
12
11
10
98765
43210
TM[5:0]
Trim_Bus[9:0]
R/W
R
Bit [15:10] TM[5:0]: test mode selection (refer to the UQ49 test controller)
Bit [9:0] Trim_Bus[9:0]: copy of the data stored in the trimming fuse cells
15
14
13
12
11
10
9
8765
4321
0
Reserved
WD_Trig
—R/W
Bit [15:1] Reserved
Bit [0] WD_Trig: this bit must be toggled within the WD period to refresh the WD.
Note that this bit is copied in the Control register 1, bit 0



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