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CAP1126 Datasheet(PDF) 28 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) 28 Page - Microchip Technology

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CAP1126
DS00001623B-page 28
 2015 Microchip Technology Inc.
6.0
REGISTER DESCRIPTION
The registers shown in Table 6-1 are accessible through the communications protocol. An entry of ‘-’ indicates that the
bit is not used and will always read ‘0’.
TABLE 6-1:
REGISTER SET IN HEXADECIMAL ORDER
Register
Address
R/W
Register Name
Function
Default Value
Page
00h
R/W
Main Control
Controls general power states and
power dissipation
00h
Page 31
02h
R
General Status
Stores general status bits
00h
Page 32
03h
R
Sensor Input Status
Returns the state of the sampled
capacitive touch sensor inputs
00h
Page 32
04h
R
LED Status
Stores status bits for LEDs
00h
Page 32
0Ah
R
Noise Flag Status
Stores the noise flags for sensor inputs
00h
Page 33
10h
R
Sensor Input 1 Delta
Count
Stores the delta count for CS1
00h
Page 33
11h
R
Sensor Input 2 Delta
Count
Stores the delta count for CS2
00h
Page 33
12h
R
Sensor Input 3 Delta
Count
Stores the delta count for CS3
00h
Page 33
13h
R
Sensor Input 4 Delta
Count
Stores the delta count for CS4
00h
Page 33
14h
R
Sensor Input 5 Delta
Count
Stores the delta count for CS5
00h
Page 33
15h
R
Sensor Input 6 Delta
Count
Stores the delta count for CS6
00h
Page 33
1Fh
R/W
Sensitivity Control
Controls the sensitivity of the threshold
and delta counts and data scaling of
the base counts
2Fh
Page 33
20h
R/W
Configuration
Controls general functionality
20h
Page 35
21h
R/W
Sensor Input Enable
Controls whether the capacitive touch
sensor inputs are sampled
3Fh
Page 36
22h
R/W
Sensor Input Configura-
tion
Controls max duration and auto-repeat
delay for sensor inputs operating in the
full power state
A4h
Page 36
23h
R/W
Sensor Input Configura-
tion 2
Controls the MPRESS controls for all
sensor inputs
07h
Page 38
24h
R/W
Averaging and Sam-
pling Config
Controls averaging and sampling win-
dow
39h
Page 38
26h
R/W
Calibration Activate
Forces re-calibration for capacitive
touch sensor inputs
00h
Page 39
27h
R/W
Interrupt Enable
Enables Interrupts associated with
capacitive touch sensor inputs
3Fh
Page 40
28h
R/W
Repeat Rate Enable
Enables repeat rate for all sensor
inputs
3Fh
Page 40
2Ah
R/W
Multiple Touch Configu-
ration
Determines the number of simultane-
ous touches to flag a multiple touch
condition
80h
Page 41
2Bh
R/W
Multiple Touch Pattern
Configuration
Determines the multiple touch pattern
(MTP) configuration
00h
Page 41



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