PixArt Imaging Inc.
ADBS-A350 Optical Finger Navigation
ORIENT_CTRL
Access: Read/Write
Address: 0x77
Reset Value: 0x00
7
6
5
4
3
2
1
0
Bit
XY_SWAP
Y_INV
X_INV
Reserved
Reserved
Reserved
Reserved
Reserved
Field
Data Type: Bit field
USAGE: This register is used to configure Delta_X and Delta_Y reporting direction with respect to sensor orientation
Field Name
Description
XY_SWAP
0 = Normal sensor reporting of Delta_X, Delta_Y. (default)
1 = Swap data of Delta_X to Delta_Y and Delta_Y to Delta_X.
Y_INV
X_INV
0 = Normal sensor reporting of Delta_Y. (default)
1 = Invert data of Delta_Y only.
0 = Normal sensor reporting of Delta_X. (default)
1 = Invert data of Delta_X only.
FPD_SQUAL_THRESH
Access: Read/Write
Address: 0x78
Reset Value: 0x40
7
6
5
4
3
2
1
0
Bit
FPD_S_T
FPD_S_T
FPD_S_T
FPD_S_T
FPD_S_T
FPD_S_T
FPD_S_T
FPD_S_T
Field
Data Type: Bit field
USAGE: This register is to set the FPD Squal Threshold. It is used when bit 0 (FPD_SQ_EN bit) of OFN_Engine2 (0x61) is
enabled for low reflectance surface navigation.
Field Name
Description
FPD_S_T
Squal FPD Threshold to compare with Squal values
FPD_VALUE
Access: Read/Write
Address: 0x79
Reset Value: 0x00
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 stores the FPD value that indicates surface reflectivity. Higher FPD value means higher finger or
surface reflectivity.
Field Name
Description
FPD_VALUE 7:0
FPD Value
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PixArt Imaging Inc.
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53
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