ATTINY20-EK1 Atmel, ATTINY20-EK1 Datasheet - Page 117
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ATTINY20-EK1
Manufacturer Part Number
ATTINY20-EK1
Description
KIT EVAL TOUCH ATTINY20
Manufacturer
Atmel
Datasheet
1.ATTINY20-EK1.pdf
(224 pages)
Specifications of ATTINY20-EK1
Sensor Type
*
Sensing Range
*
Interface
*
Sensitivity
*
Voltage - Supply
*
Embedded
*
Utilized Ic / Part
*
Silicon Manufacturer
Atmel
Core Architecture
AVR
Core Sub-architecture
TinyAVR
Kit Contents
Board
Svhc
No SVHC (15-Dec-2010)
Mcu Supported Families
ATtiny20
Tool / Board Applications
Microcontroller
Rohs Compliant
Yes
Tool Type
Development Kit
Cpu Core
AVR 8
Data Bus Width
8 bit
Processor To Be Evaluated
ATtiny20
Interface Type
Touch
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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8235B–AVR–04/11
this mode, the sample-and-hold takes place two ADC clock cycles after the rising edge on the
trigger source signal. Three additional CPU clock cycles are used for synchronization logic.
Figure 15-6. ADC Timing Diagram, Auto Triggered Conversion
In Free Running mode, a new conversion will be started immediately after the conversion com-
pletes, while ADSC remains high. See
Figure 15-7. ADC Timing Diagram, Free Running Conversion
Cycle Number
ADC Clock
Trigger
Source
ADATE
ADIF
ADCH
ADCL
Prescaler
Reset
Cycle Number
ADC Clock
ADSC
ADIF
ADCH
ADCL
MUX and REFS
Update
1
Conversion
Complete
2
One Conversion
12
3
Sample &
Hold
4
13
Figure
5
14
6
15-7.
7
One Conversion
Next Conversion
1
Sign and MSB of Result
LSB of Result
8
9
2
MUX and REFS
Update
10
Conversion
Complete
3
11
12
Sample & Hold
4
13
ATtiny20
Sign and MSB of Result
LSB of Result
Next Conversion
1
Prescaler
Reset
2
117
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