BU21010MUV Datasheet, PDF (6/15 Pages) Rohm – Capacitive Sensor Switch Control IC

BU21010MUV
Technical Note
●Register map
Address Register name R/W
1*h
SENS_DATA
R
32h
BTN
R
35h
BTN_STATE
R
4*h
OFFSET
R
60h, 61h
GES_VEL
R
62h
GES_DIR
R
E2h
GES_CLR
W
E3h
GES_CTL
R/W
E4h
GES_CLK
R/W
E5h
GES_TIMEOUT R/W
EEh
CALIB
W
EFh
DONE
R/W
F0h
SENS_CH
R/W
F2h
LED_CH
R/W
F3h
IDLE_CH
R/W
F5h
LED_LINK
R/W
F6h
TIMES
R/W
F7h
TH_ON2
R/W
F8h
TH_ON2_CH R/W
FAh
CMD
R/W
FBh
GAIN_FILTER R/W
FCh
TH_ON
R/W
FDh
TH_OFF
R/W
FEh
DLED
R/W
Length
Explanation
1byte / channel Sensor output data. One for each channel.
1byte
Button On/Off.
1byte
Button state data.
1byte / channel Offset correction data. One for each channel.
2byte
Gesture duration.
1byte
Gesture direction.
1byte
Gesture clear control.
1byte
Gesture control.
1byte
Gesture clock setting.
1byte
Gesture time-out data setting.
1byte
Soft calibration execution.
1byte
Setting done command.
1byte
Sensor channel enables.
1byte
LED channel enables.
1byte
Idle mode release control.
1byte
1byte
1byte
1byte
LED linkage to sensor input.
Defines the sampling interval and number of samples
required to recognize a button press.
A second threshold value in the detection of a button going
from OFF state to ON state.
Per channel selection of whether to use TH_ON or TH_ON2.
1byte
Simultaneous press and idle mode entry.
1byte
1byte
1byte
1byte
Gain setting, filter function.
A threshold value in the detection of a button going from OFF
state to ON state.
A threshold value in the detection of a button going from ON
state to OFF state.
Register to allow simple writing to LEDs.
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2009.04 - Rev.B