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CAP1298 데이터시트(PDF) 46 Page - Microchip Technology

부품명 CAP1298
상세설명  8-Channel Capacitive Touch Sensor Controller with Proximity Detection & Signal Guard
PDF  68 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

CAP1298 데이터시트(HTML) 46 Page - Microchip Technology

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CAP1298
DS00001571B-page 46
 2013-2015 Microchip Technology Inc.
5.21
Standby Channel Register
The Standby Channel register controls which (if any) capacitive touch sensor inputs are enabled in Standby (see Section
4.3.1.2, "Standby State Sensing Settings").
For all bits in this register:
• ‘0’ (default) - The specified channel will not be monitored in Standby.
• ‘1’ - The specified channel will be monitored in Standby. It will use the standby threshold setting, and the standby
averaging and sensitivity settings.
Bit 7 - CS8_STBY - Controls whether the CS8 channel is enabled in Standby.
Bit 6 - CS7_STBY - Controls whether the CS7 channel is enabled in Standby.
Bit 5 - CS6_STBY - Controls whether the CS6 channel is enabled in Standby.
Bit 4 - CS5_STBY - Controls whether the CS5 channel is enabled in Standby.
Bit 3 - CS4_STBY - Controls whether the CS4 channel is enabled in Standby.
Bit 2 - CS3_STBY - Controls whether the CS3 channel is enabled in Standby.
Bit 1 - CS2_STBY - Controls whether the CS2 channel is enabled in Standby.
Bit 0 - CS1_STBY - Controls whether the CS1 channel is enabled in Standby.
5.22
Standby Configuration Register
The Standby Configuration register controls averaging and sensing cycle time for sensor inputs enabled in Standby. This
register allows the user to change averaging and sample times on a limited number of sensor inputs in Standby and still
maintain normal functionality in the Active state.
TABLE 5-3:
CSX_BN_TH BIT DECODE
CS_BN_TH[1:0]
Percent Threshold Setting
10
00
25%
0
1
37.5% (default)
10
50%
1
1
62.5%
TABLE 5-4:
STANDBY CHANNEL REGISTER
Addr
R/W
Register
B7
B6
B5B4
B3B2
B1B0
Default
40h
R/W
Standby
Channel
CS8_
STBY
CS7_
STBY
CS6_
STBY
CS5_
STBY
CS4_
STBY
CS3_
STBY
CS2_
STBY
CS1_
STBY
00h
TABLE 5-5:
STANDBY CONFIGURATION REGISTER
Addr
R/W
Register
B7
B6
B5
B4
B3
B2
B1
B0
Default
41h
R/W
Standby
Configuration
AVG_
SUM
STBY_AVG[2:0]
STBY_SAMP_
TIME[1:0]
STBY_CY_TIME
[1:0]
39h



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