ATAVRQTOUCHX Atmel, ATAVRQTOUCHX Datasheet - Page 83

• 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

5.8.1.1.1
3. The first SNS port pin should always be mapped to the first SNSK port pin in any port
4. Even sensors with in a port pair should be placed in one mask and odd sensors with-in a
5. All the three channels for ROTORS and SLIDERS should be placed within the same
6. Keys on adjacent channels should be placed on different masks.
7. For 8 channel case when 2 ports are enabled, the pins for the 8 channels can be spread
8. For 16 channel case when 2 ports are enabled, all the pins for the 16 channels are
pair. Similarly the second SNS port pin should always be mapped to second SNSK pin
and so on.
port pair should be placed in the second mask. In case of interport, first channel should
always start with odd masks and then even masks is filled .
mask. And should be in the same port pair.
on the 2 ports. The pin configuration is done based on the rules mentioned above.
allocated among the pins of the 2 ports.
As there is no second port pair used for this, so that’s why SNS_array[1][0],
SNS_array[1][1], SNSK_array[0][1] and SNSK_array[1][1] are having value zero.
This example is for interport 8 channel library with only one port pair used.
Channel0 is A0B2,Channel1 is A3B5 and Channel2 is A7B7 are enabled for the 8
channel library.
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]=0x41; (SNS even mask for port pair 1)
SNS_array[0][1]=0x08; (SNS odd mask for port pair 1)
SNS_array[1][0]=0x00; (SNS even mask for port pair 2)
SNS_array[1][1]=0x00; (SNS odd mask for port pair 2)
SNSK_array[0][0]=0x84; (SNSK even mask for port pair 1)
SNSK_array[0][1]=0x20; (SNSK odd mask for port pair 1)
SNSK_array[1][0]=0x00; (SNSK even mask for port pair 2)
SNSK_array[1][1]=0x00; (SNSK odd mask for port pair 2)
Example for 8 channel interport mask Calculation with one port pair
SNS1=PORTA
SNSK1=PORTB
X
Ch2
X
X
Ch1
X
X
Ch0
X
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