STMPE24M31QTR Datasheet, PDF (61/85 Pages) STMicroelectronics – S-Touch® 16/24-channel touchkey controller with PWM and ratio engines

STMPE16M31, STMPE24M31
Touch sensor controller
RATIO_ENG_SET
Address:
0x80
Type:
RW
Reset:
0x00
Description:
Operation setup of ratio engine.
Ratio engine setup register
7
6
5
4
3
2
1
0
RESERVED
DATAMODE
RE2FilterEn
RE1FilterEn
CFG2
CFG2
EN2
EN1
RW
RW
RW
RW
RW
RW
RW
RW
0
0
0
0
0
0
0
0
t(s) _{[7] RESERVED}
uc [6] DATAMODE
d _{Setting of data presentation}
ro _{‘1’ to display 1 byte position data in the first byte of RE1_POS and RE2_POS continuously. The}
P old data will be overwritten. In this mode, when touch is detected in the slider, interrupt is issued
and host can read the data in its own rate. Only position data is available (8 bits), movement
te _{and time-stamp data are not available.}
le _{‘0’ to enable data-buffering. Position, movement and time-stamp are available.}
so _{[5] RE2FilterEn}
b _{Ratio engine 2 noise filter}
O _{‘1’ to enable the filter}
- _{‘0’ to disable the filter}
t(s) ^{[4] RE1FilterEn}
c Ratio engine 1 noise filter
u _{‘1’ to enable the filter}
d _{‘0’ to disable the filter}
ro _{[3] CFG2}
P_{Ratio engine 2 setting}
te_{‘1’ for rotator/wheel configuration}
le _{‘0’ for linear/slider configuration}
so _{[2] CFG1}
Ob ^{Ratio engine 1 setting}
‘1’ for rotator/wheel configuration
‘0’ for linear/slider configuration
[1] EN2
‘1’ to enable ratio engine 2
‘0’ to enable ratio engine 1
[0] EN1
‘1’ to enable ratio engine 2
‘0’ to enable ratio engine 1
Doc ID 16174 Rev 4
61/85