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BU21009MUV Fiches technique(PDF) 9 Page - Rohm

No de pièce BU21009MUV
Description  Capacitive Sensor Switch Control IC
Download  14 Pages
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Fabricant  ROHM [Rohm]
Site Internet  http://www.rohm.com
Logo ROHM - Rohm

BU21009MUV Fiches technique(HTML) 9 Page - Rohm

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BU21009MUV
Technical Note
9/13
www.rohm.com
2009.04 - Rev.B
© 2009 ROHM Co., Ltd. All rights reserved.
ECh : XY matrix setting】
Name:
POS_MODE
Address:
ECh
Description: Setting when two or more sensor are displayed to the first origin and position is detected.
XY : This selects between two matrix configurations.
1 = X axis →SIN [10 : 5] , Y axis → SIN [11:4:12:3:13:2:14:1:15:0]
0 = X axis →SIN [0 : 7] , Y axis → SIN [8:15]
POS_EN : The position tracking enable
Enables the condition under which the position tracking is made effective.
1=When either of sensor exceeds the threshold, the data of the position tracking is made effective.
If all registers do not exceed the threshold, the data of the position tracking is (POSX,POSY) = (0,0).
0=the position is detected regardless of the level of the sensor data, and data is made effective.
Initial state: When either of sensor exceeds the threshold, the positional detection data is made effective (=1).
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
ECh
-
-
-
-
-
-
POS_EN
XY
R/W
-
-
-
-
-
-
W
W
Initial val.
-
-
-
-
-
-
1
1
EEh : Soft Calibration】
Name:
CALIB
Address:
EEh
Description: This forces a chip re-calibration when a 1 is written and returns to 0 afterward automatically. Please note
that one should always re-calibrate after changing the gain adjustment value.
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
EEh
-
-
-
-
-
-
-
CALIB
R/W
-
-
-
-
-
-
-
W
Initial val.
-
-
-
-
-
-
-
0
EFh : Setting Done, Detect Start】
Name:
DONE
Address:
EFh
Description: This register should be written to following register updates.
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
EFh
-
-
-
-
-
-
-
DONE
R/W
-
-
-
-
-
-
-
W
Initial val.
-
-
-
-
-
-
-
0
F0h / F1h : Sensor Channel Setting】
Name:
SENS_CH
Address:
F0h / F1h
Description: Individual enabling and disabling of sensor channels. 1:Effective 0:Not in use
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
F0h
SIN7
SIN6
SIN5
SIN4
SIN3
SIN2
SIN1
SIN0
F1h
SIN15
SIN14
SIN13
SIN12
SIN11
SIN10
SIN9
SIN8
R/W
W
W
W
W
W
W
W
W
Initial val.
0
0
0
0
0
0
0
0
F2h : LED Channel Setting】
Name:
LED_CH
Address:
F2h
Description:
Enables and disables the channels to be used as LED outputs. Valid for the 8 LED outputs.
1:Effective 0:Not in use
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
F2h
LED7
LED6
LED5
LED4
LED3
LED2
LED1
LED0
R/W
W
W
W
W
W
W
W
W
Initial val.
0
0
0
0
0
0
0
0


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