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BU21010MUV 数据表(PDF) 10 Page - Rohm

部件名 BU21010MUV
功能描述  Capacitive Sensor Switch Control IC
Download  15 Pages
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制造商  ROHM [Rohm]
网页  http://www.rohm.com
标志 ROHM - Rohm

BU21010MUV 数据表(HTML) 10 Page - Rohm

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BU21010MUV
Technical Note
10/14
www.rohm.com
2009.04 - Rev.B
© 2009 ROHM Co., Ltd. All rights reserved.
F0h : Sensor Channel Setting】
Name:
SENS_CH
Address:
F0h
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
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
-
-
-
-
LED3
LED2
LED1
LED0
R/W
-
-
-
-
W
W
W
W
Initial val.
-
-
-
-
0
0
0
0
F3h : Idle Exit Condition】
Name:
IDLE_CH
Address:
F3h
Description:
Defines which channels cause the device to wake up – i.e. go from idle mode to normal operation on a
key press. Selection is made on a per channel basis.
1:Effective 0:Not used
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
F3h
SIN7
SIN6
SIN5
SIN4
SIN3
SIN2
SIN1
SIN0
R/W
W
W
W
W
W
W
W
W
Initial val.
1
1
1
1
1
1
1
1
F5h : LED to Sensor Linkage】
Name:
LED_LINK
Address:
F5h
Description: Allows the LED outputs to be automatically linked to the input channels without need for
any software control.
1 : It synchronizes with the button. 0 : It synchronizes with data (The register name: DLED) from host.
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
F5h
-
-
-
-
LED3
LED2
LED1
LED0
R/W
-
-
-
-
W
W
W
W
Initial val.
-
-
-
-
1
1
1
1
F6h : Sampling Interval and Number of Samples Used for Button Press】
Name:
TIMES
Address:
F6h
Description: Defines the sampling interval and number of samples required to recognise as a button press.
CONT_T[3:0] : Push and hold judgment time :
Governs how long it is before the chip decides it is push and hold. Given by the following equation:
Push-Hold Time = system clock x 2
19 x CONT_T (Example: system clock 1[MHz] time : About 520[msec]).
SAMP[3:0] : Sampling Interval :
Given by the following equation:
Sampling interval = system clock x 2
13 x SAMP (Example: system clock 1[MHz] time : About 8.2[msec]).
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
F6h
CONT_T[3] CONT_T[2] CONT_T[1] CONT_T[0]
SAMP[3]
SAMP[2]
SAMP[1]
SAMP[0]
R/W
W
W
W
W
W
W
W
W
Initial val.
0
0
0
0
0
0
0
0


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