ATTINY20-EK1 Atmel, ATTINY20-EK1 Datasheet - Page 125
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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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15.13.2
15.13.2.1
15.13.2.2
8235B–AVR–04/11
ADCL and ADCH – ADC Data Register
ADLAR = 0
ADLAR = 1
Table 15-4.
Notes:
If these bits are changed during a conversion, the change will not go into effect until this
conversion is complete (ADIF in ADCSRA is set).
When an ADC conversion is complete, the result is found in these two registers.
When ADCL is read, the ADC Data Register is not updated until ADCH is read. Consequently, if
the result is left adjusted and no more than 8-bit precision is required, it is sufficient to read
ADCH. Otherwise, ADCL must be read first, then ADCH.
The ADLAR bit in ADCSRB, and the MUX bits in ADMUX affect the way the result is read from
the registers. If ADLAR is set, the result is left adjusted. If ADLAR is cleared (default), the result
is right adjusted.
• ADC[9:0]: ADC Conversion Result
These bits represent the result from the conversion, as detailed in
page
Bit
0x0F
0x0E
Read/Write
Initial Value
Bit
0x0F
0x0E
Read/Write
Initial Value
Single Ended Input
Internal 1.1V Voltage Reference
ADC8 (Temperature Sensor)
Reserved
123.
1. After switching to internal voltage reference the ADC requires a settling time of 1ms before
2. See
measurements are stable. Conversions starting before this may not be reliable. The ADC must
be enabled during the settling time.
Single-Ended Input channel Selections. (Continued)
“Temperature Measurement” on page
ADC7
ADC9
ADC1
15
15
–
7
R
R
0
0
7
R
R
0
0
ADC6
ADC8
ADC0
14
14
R
R
R
R
–
6
0
0
6
0
0
(2)
(1)
ADC5
ADC7
13
13
R
R
R
R
–
5
0
0
–
5
0
0
ADC4
ADC6
12
12
R
R
R
R
–
4
0
0
–
4
0
0
123.
ADC3
ADC5
11
11
R
R
R
R
–
3
0
0
–
3
0
0
ADC2
ADC4
10
10
R
R
R
R
–
2
0
0
–
2
0
0
“ADC Conversion Result” on
ADC9
ADC1
ADC3
R
R
R
R
9
1
0
0
9
–
1
0
0
1011 – 1111
MUX[3:0]
1001
1010
ATtiny20
ADC8
ADC0
ADC2
R
R
R
R
8
0
0
0
8
–
0
0
0
ADCH
ADCL
ADCH
ADCL
125
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