STMPE16M31PX Datasheet, PDF (65/75 Pages) STMicroelectronics – Up to 30 pF external reference capacitor

STMPE16M31PX
Touchkey and proximity sensing controller
PROX_CFG
Proximity configuration register
7
6
DITHERING
R/W
R/W
0
0
5
RESERVED
R/W
0
4
3
2
PROXIMITY CALIBRATION INTERVAL
R/W
R/W
R/W
0
0
0
1
0
ACCESS MODE
R/W
R/W
0
0
Address:
0x96
Type:
RW
Reset:
0x00
Description:
Proximity configuration register.
[7:6] DITHERING FACTOR
) _{00 - 4x}
t(s ^{01 -8x}
c 10 -16x
u _11-32x
rod ^{The higher the dithering factor, the more sensitive the proximity sensing is. However, the speed}
will be slower.
P _{[5] Reserved}
te _{[4:2] Proximity calibration interval:}
le _000-1
so _001-2
b _010-4
O _011-8
- _100-16
t(s) ^{Others: reserved}
Controls the number of dithered impedance sampling between successive calibrations. Shorter
c _{calibration interval allows it to adapts quickly to changes in environmental factors, but reduces}
du ^{the sensitivity to slowly approaching hand.}
ro [1:0] Access mode:
P00-dithered impedance
te^{01- calibrated dithered impedance}
Obsole ^{others: reserved}
Doc ID 17058 Rev 2
65/75