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BU21079F-E2 Fiches technique(PDF) 11 Page - Rohm

No de pièce BU21079F-E2
Description  Capacitive Switch Controller ICs
Download  37 Pages
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Fabricant  ROHM [Rohm]
Site Internet  http://www.rohm.com
Logo ROHM - Rohm

BU21079F-E2 Fiches technique(HTML) 11 Page - Rohm

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Datasheet
Datasheet
BU21079F
TSZ02201-0Y1Y0FZ00150-1-2
© 2013 ROHM Co., Ltd. All rights reserved.
2013.09.25 Rev.001
www.rohm.com
TSZ22111・15・001
【0x85, 0x8A : Software Reset】
Name:
SRST
Address:
0x85, 0x8A
Description:
These registers are used for hardware reset. If register 0x85=55h and register 0x8A=AAh, then a hardware
reset will be done.
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0x85
SRST[7]
SRST[6]
SRST[5]
SRST[4]
SRST[3]
SRST[2]
SRST[1]
SRST[0]
0x8A
SRST[15]
SRST[14]
SRST[13]
SRST[12]
SRST[11]
SRST[10]
SRST[9]
SRST[8]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial val.
0
0
0
0
0
0
0
0
【0xC0 – 0xC4 : Select a setting for Gain and Threshold for “Off
→On”】
Name:
CFG_SIN
Address:
0xC0 – 0xC4
Description:
You can set 3 values for gain and set 3 values for threshold to the “Off
→ On” registers of this IC.
These registers are used to select a setting for gain and threshold for every sensor. There are three
available settings.
Gain:GA_SIN*[1:0] =
0x0 : Select GA0.
0x1 : Select GA1.
0x2 : Select GA2.
0x3 : Select GA0.
Threshold:ON_SIN*[1:0] =
0x0 : Select ON0.
0x1 : Select ON1.
0x2 : Select ON2.
0x3 : Select ON0.
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0xC0
GA_SIN1[1]
GA_SIN1[0]
ON_SIN1[1]
ON_SIN1[0]
GA_SIN0[1]
GA_SIN0[0]
ON_SIN0[1]
ON_SIN0[0]
0xC1
GA_SIN3[1]
GA_SIN3[0]
ON_SIN3[1]
ON_SIN3[0]
GA_SIN2[1]
GA_SIN2[0]
ON_SIN2[1]
ON_SIN2[0]
0xC2
GA_SIN5[1]
GA_SIN5[0]
ON_SIN5[1]
ON_SIN5[0]
GA_SIN4[1]
GA_SIN4[0]
ON_SIN4[1]
ON_SIN4[0]
0xC3
GA_SIN7[1]
GA_SIN7[0]
ON_SIN7[1]
ON_SIN7[0]
GA_SIN6[1]
GA_SIN6[0]
ON_SIN6[1]
ON_SIN6[0]
0xC4
-
-
-
-
GA_SIN8[1]
GA_SIN8[0]
ON_SIN8[1]
ON_SIN8[0]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial val.
0
0
0
0
0
0
0
0
【0xC8 – 0xC9 : Value of GAIN】
Name:
GA0、GA1、GA2
Address:
0xC8 – 0xC9
Description:
This register is used for setting the gain of AFE. The smaller the value of GA, the higher the gain will be.
You can set 3 values for gain. These values are assigned to each sensor by register GA_SIN including
CFG_SIN.
The settable range: 0x1 ≦ GA ≦ 0xF
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0xC8
GA1[3]
GA1[2]
GA1[1]
GA1[0]
GA0[3]
GA0[2]
GA0[1]
GA0[0]
0xC9
-
-
-
-
GA2[3]
GA2[2]
GA2[1]
GA2[0]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial val.
0
0
0
0
0
0
0
0
【0xCA – 0xCC : Value of the threshold for "Off
→ On"】
Name:
ON0、ON1、ON2
Address:
0xCA – 0xCC
Description:
These registers are used for setting the threshold of the “Off
→ On” operation. You can set 3 values for
threshold. If the 8bit ADC value of each sensor (register SENS_DATA) is larger than this value, then the
“Off
→ On” operation of the sensor is valid. These values are assigned to each sensor by register GA_SIN
including ON_SIN.
The settable range : 0x00 < OFF < ON < 0xFF
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
0xCA
ON0[7]
ON0[6]
ON0[5]
ON0[4]
ON0[3]
ON0[2]
ON0[1]
ON0[0]
0xCB
ON1[7]
ON1[6]
ON1[5]
ON1[4]
ON1[3]
ON1[2]
ON1[1]
ON1[0]
0xCC
ON2[7]
ON2[6]
ON2[5]
ON2[4]
ON2[3]
ON2[2]
ON2[1]
ON2[0]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial val.
0
0
0
0
0
0
0
0


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