PixArt Imaging Inc.
ADBS-A350 Optical Finger Navigation
FPD_STATUS
Access: Read
Address: 0x7a
Reset Value: 0x00
7
6
5
4
3
2
1
0
Bit
FPD_Hyst7 FPD_Hyst6 FPD_Hyst5 FPD_Hyst4 FPD_SQ_
Hyst3
FPD_SQ_
Hyst2
FPD_SQ_
Hyst1
FPD_On
Field
Data Type: Bit field
USAGE: This register is used to confirm FPD flag and to set FPD hysteresis threshold.
Field Name
Description
FPD_Hyst7:4
FPD hysteresis threshold boundary.
Actual FPD Hysteresis Threshold = 8 x [FPD_Hyst7:4]
FPD_SQ_Hyst3:1
FPD_On
FPD Squal hysteresis threshold boundary.
Actual FPD SQ Hysteresis Threshold = 4 x [FPD_SQ_Hyst3:1]
0 = finger is not present
1 = finger is present
SC_CTRL
Access: Read/Write
Address: 0x7b
Reset Value: 0x25
7
6
5
4
3
2
1
0
Bit
Reserved
TIM_Res_
Th6
TIM_Res_
Th5
TIM_Res_
Th4
Reserved
Tap+N_
Hold_En
Double_
Click_En
Single_
Click_En
Field
Data Type: Bit field
USAGE: This register is used to set sensor soft click.
Field Name
Description
TIM_Res_Th6:4
Tap_N_Hold_En
Tap and Hold timer reset threshold
0 = Disable Tap and Hold
1 = Enable Tap and Hold
Double_Click_En
Single_Click_En
0 = Disable Double Click
1 = Enable Double Click
0 = Disable Single Click
1 = Enable Single Click
SC_T_TAPNHOLD
Access: Read/Write
Address: 0x7c
Reset Value: 0x45
7
6
5
4
3
2
1
0
Bit
SC_Dou
SC_Dou
SC_Dou
SC_Dou
SC_Dou
SC_Dou
SC_Dou
SC_Dou
Field
Data Type: Bit field
USAGE: This register is used to set the minimum time before Tap N Hold is triggered.
Field Name
Description
SC_Dou 7:0
Sets waiting time to activate Tap and Hold
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PixArt Imaging Inc.
E-mail: fae_service@pixart.com.tw
54
PIXART [ PIXART IMAGING INC. ]
