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CAP1126 Datasheet(PDF) 23 Page - Microchip Technology

Part # CAP1126
Description  6 Channel Capacitive Touch Sensor with 2 LED Drivers
PDF  73 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

CAP1126 Datasheet(HTML) 23 Page - Microchip Technology

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 2015 Microchip Technology Inc.
DS00001623B-page 23
CAP1126
5.1
Power States
The CAP1126 has three operating states depending on the status of the STBY and DSLEEP bits. When the device tran-
sitions between power states, previously detected touches (for inactive channels) are cleared and the status bits reset.
1.
Fully Active - The device is fully active. It is monitoring all active capacitive sensor inputs and driving all LED chan-
nels as defined.
2.
Standby - The device is in a lower power state. It will measure a programmable number of channels using the
Standby Configuration controls (see Section 6.20 through Section 6.22). Interrupts will still be generated based
on the active channels. The device will still respond to communications normally and can be returned to the Fully
Active state of operation by clearing the STBY bit.
FIGURE 5-1:
System Diagram for CAP1126
CAP1126
CS6
Embedded Controller
VDD
CS4
CS2
3.3V – 5V
CS5
CS3
CS1
ADDR_COMM
LED2
LED1
3.3V – 5V
Touch
Button
Touch
Button
Touch
Button
Touch
Button
Touch
Button
Touch
Button



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