ATAVRQTOUCHX Atmel, ATAVRQTOUCHX Datasheet - Page 85
ATAVRQTOUCHX
Manufacturer Part Number
ATAVRQTOUCHX
Description
BOARD EVAL CAPACITIVE TOUCH
Manufacturer
Atmel
Series
QTouch™r
Specifications of ATAVRQTOUCHX
Sensor Type
Touch, Capacitive
Sensing Range
1 Slider, 1 Wheel, 2 Buttons
Interface
USB
Voltage - Supply
5V, USB
Embedded
Yes, MCU, 8-Bit
Utilized Ic / Part
AT90USB1287, ATxmega128A1
Silicon Manufacturer
Atmel
Silicon Family Name
ATxmega
Kit Contents
Board
Svhc
No SVHC (15-Dec-2010)
Core Architecture
AVR
Core Sub-architecture
AVR19
Kit Features
One Slider, One Wheel And 2
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Sensitivity
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATAVRQTOUCHX
Manufacturer:
Atmel
Quantity:
135
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5.8.1.1.3
As the first port pair is intraport, so that’s why SNS_array[0][1] and SNSK_array[0][1] are
zero as odd masks are always zero in case of Intraport.
This example is for intraport-interport 12 channel library with two port pair used.
Channel0 is A1A3,Channel1 is A4A5 and Channel2 is A6A7 are enabled in the first port
pair. Channel3 is B1D2,Channel4 is B3D4 and Channel5 is B5D6 are enabled in the
second port pair.
The SNS_array and SNSK_array masks are calculated by the Qtouch Studio with rules
mentioned above.
In this case, the SNS_array and SNSK_array values will be as mentioned below:
SNS_array[0][0]=0x52; (SNS even mask for port pair 1)
SNS_array[0][1]=0x00; (SNS odd mask for port pair 1)
SNS_array[1][0]=0x22; (SNS even mask for port pair 2)
SNS_array[1][1]=0x08; (SNS odd mask for port pair 2)
SNSK_array[0][0]=0xa8; (SNSK even mask for port pair 1)
SNSK_array[0][1]=0x00; (SNSK odd mask for port pair 1)
SNSK_array[1][0]=0x44; (SNSK even mask for port pair 2)
SNSK_array[1][1]=0x10; (SNSK odd mask for port pair 2)
Example for 12 channel intraport-interport mask Calculation with two port pairs
SNS1=PORTA
SNSK1=PORTA
SNS2=PORTB
SNSK2=PORTD
X
Ch2
Ch5
X
X
X
X
Ch1
Ch4
X
X
X
X
X
Ch0
Ch3
X
X
85
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