ATTINY20-EK1 Atmel, ATTINY20-EK1 Datasheet - Page 113
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
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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15.3
8235B–AVR–04/11
Operation
Figure 15-1. Analog to Digital Converter Block Schematic
In order to be able to use the ADC the Power Reduction bit, PRADC, in the Power Reduction
Register must be disabled. This is done by clearing the PRADC bit. See
tion Register” on page 29
The ADC is enabled by setting the ADC Enable bit, ADEN in ADCSRA. Voltage reference and
input channel selections will not go into effect until ADEN is set. The ADC does not consume
power when ADEN is cleared, so it is recommended to switch off the ADC before entering power
saving sleep modes.
ADC7
ADC7
ADC6
ADC6
ADC5
ADC5
ADC4
ADC4
ADC3
ADC3
ADC2
ADC2
ADC1
ADC1
ADC0
ADC0
V
CC
CC
TEMPERATURE
TEMPERATURE
REFERENCE
REFERENCE
INTERNAL
INTERNAL
SENSOR
SENSOR
8-BIT DATA BUS
AGND
ADMUX
ADMUX
DECODER
DECODER
for more details.
ADCSRB
ADCSRB
INPUT
INPUT
MUX
MUX
TRIGGER
TRIGGER
SELECT
SELECT
10-BIT DAC
10-BIT DAC
PRESCALER
PRESCALER
ADCSRA
ADCSRA
CONVERSION LOGIC
CONVERSION LOGIC
“PRR – Power Reduc-
SAMPLE & HOLD
SAMPLE & HOLD
COMPARATOR
COMPARATOR
-
+
ATtiny20
ADCH+ADCL
ADCH+ADCL
ADC MUX OUTPUT
ADC MUX OUTPUT
ADC IRQ
ADC IRQ
113
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