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VD5377 Datasheet(PDF) 81 Page - STMicroelectronics

No. de pieza VD5377
Descripción Electrónicos  Ultra-low power motion sensor for optical finger navigation (OFN)
PDF  88 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VD5377 Datasheet(HTML) 81 Page - STMicroelectronics

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Doc ID 022952 Rev 2
81/88
VD5377
I2C register map
83
BACKLIGHT_
CONTROL
bBackLightEnable
0
RW
00
BACKLED PWM enable
0 = Disable
1 = Enable
bSingleBackled
1
RW
00
Single BACKLED scheme
control par PWM0 only
0 = three independent
BackLEDs
1 = BackLED controlled by
PWM 0
bPwmPolarity
2
RW
00
BACKLED PWM signal polarity
0 = High when LED must be ON
(= pwm0)
1 = Low when LED must be ON
(= !pwm0)
bBackledGaterEnable
3
RW
00
Enable the gating of BACKLED
PWM signal with DMIB gater
signal.
0 = Disable
1 = Enable
bPwmHoldEnable
4
RW
00
Enable the hold mechanism
when DMIB gater signal is ON.
0 = Disable
1 = Enable
bBackLightReset
7
RWC
00
In SW STBY reset the control of
Backlight control (self cleared).
0 = Disable
1 = Enable
84
AUTO_RUNNING_
TIMEOUT_HI
uwRunningTimeout
15:0
RW
00
In RUNNING state, time to enter
SLEEP1 state when no motion
is detected. Expressed in
number of frames, for example,
in automatic frame rate = step of
1 ms (1 kf/s), for fixed frame
rate depending on the chosen
frame rate.
85
AUTO_RUNNING_
TIMEOUT_LO
32
86
AUTO_SLEEP1_
TIMEOUT_HI
uwSleep1Timeout
15:0
RW
03
In SLEEP1 state, time to enter
SLEEP2 state when no motion
is detected. Expressed in
number of frames, for example,
step of SLEEP1 latency.
87
AUTO_SLEEP1_
TIMEOUT_LO
20
88
AUTO_SLEEP2_
TIMEOUT_HI
uwSleep2Timeout
15:0
RW
17
In SLEEP2 state, time to enter
SLEEP3 state when no motion
is detected. Expressed in
number of frames, for example,
step of SLEEP2 latency.
89
AUTO_SLEEP2_
TIMEOUT_LO
70
Table 38. I2C register map (continued)
Addr
(Hex)
Register name
SIgnal name
Bit
Type
Default
(Hex)
Comment



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