ATAVRTS2080B Atmel, ATAVRTS2080B Datasheet - Page 37
ATAVRTS2080B
Manufacturer Part Number
ATAVRTS2080B
Description
BOARD EVAL FOR ATTINY88 LIBRARY
Manufacturer
Atmel
Series
QTouch™r
Specifications of ATAVRTS2080B
Sensor Type
Touch, Capacitive
Sensing Range
1 Rotor, 1 Slider, and 2 Buttons/Keys
Interface
Application Programming Interface (API)
Voltage - Supply
1.8 V ~ 5.5 V
Embedded
Yes, MCU, 8-Bit
Utilized Ic / Part
ATtiny88
Tool Type
Development Kit
Cpu Core
AVR 8 / 32
Data Bus Width
8 bit
Core Architecture
AVR
Silicon Manufacturer
Atmel
Silicon Core Number
ATtiny88
Silicon Family Name
AVR
Kit Contents
Board CD Docs
Development Tool Type
Hardware / Software - Eval/Demo Board
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Sensitivity
-
Lead Free Status / Rohs Status
Details
Other names
Q4359953
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5.6.6.1.1.3 Channel numbering when routing SNS and SNSK pins to the same port
When SNS and SNSK pins are connected to the same port, the even pin numbers will be used as
SNS pins and the odd pins will be used as the SNSK pins.
Figure 5-8 : Channel numbering for QTouch acquisition method when the SNS and SNSK
pins are connected to the same port
5.6.6.1.1.4 Channel numbering when routing SNS and SNSK pins to the same port with
When SNS and SNSK pins are connected to the same port, different pins can be used as SNS
and SNSK pins.But SNS and SNSK pins are configured with few rules keeping in mind as
illustrated in section
•
•
•
SNS and SNSK pins are configured with few rules keeping in mind as illustrated in
section
Pins A0 ,A1,A4 and A6 of PORT A are SNS pins and pins B2,B3,B5,B7 are SNSK pins of
PORT B.
Channel 0 will be forming a SNS-SNSK pair as A0B2.
Channel 1 will be forming a SNS-SNSK pair as A1B3
Channel 2 will be forming a SNS-SNSK pair as A4B5
Channel 3 will be forming a SNS-SNSK pair as A6B7.
The channel numbering is not dependent on the pin numbering.
The number of channels supported will be limited 4 channels for an 8-bit device and 16
channels for a 32-bit device (e.g. UC3).
For e.g., for a 4 channel configuration where the SNS and SNSK pins are connected to
Port B, the port pins 0&1 are used for channel 0.
The channel number is derived from the position of the pins used for SNS and SNSK
lines for any channel.
o
Example:
Pins A0 ,A3 and A5 of PORT A are SNS pins and pins A2,A4,A7 are SNSK pins of PORT
A.
Channel 0 will be forming a SNS-SNSK pair as A0A2.
For e.g., pins 4 and 5 are connected to a SNS/SNSK pair and the channel number
associated with the SNS/SNSK pin is 2.
pin configurability
channel number = floor( [SNS(or SNSK) pin number] / 2 )
37
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