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L99LD01 bảng dữ liệu(PDF) 38 Page - STMicroelectronics

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L99LD01 bảng dữ liệu(HTML) 38 Page - STMicroelectronics

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SPI functional description
L99LD01
38/69
DocID025319 Rev 3
3.5
Control registers (RAM)
Control registers 1
Address:
0x01h
Type:
R/W
Reset:
0000 0000 0000 1110b
15
14
13
12
11
10
98765
43210
Reserved
Mux[[1:0]
En_Ntc
Bit [6:15] Reserved
Bit [5:4] Mux[1:0]:
00 (default): the signal on the PWM pin is reflected on Mout pin
01: the signal on the VLED is reflected on Mout pin
10: the signal on NTC is selected
11: the signal on Lmode pin is selected
Bit [3] Mux_En:
0: the Mout pin is inactive (tristate)
1: the Mout pin is active (default)
Bit [2] En_Ntc:
When set, the current fold back feature enabled in case of LED overtemperature
conditions.
This bit is ignored in case of any LIMP MODE and the LED temperature monitoring is
activated (the NTC control is internal)
Bit [1] WD_Period:
0: WD timeout = 100 ms
1: WD timeout = 200 ms (default)
Bit [0] WD_trig:
This bit must be toggled within the WD period to refresh the WD



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