A000047 Arduino, A000047 Datasheet - Page 292
A000047
Manufacturer Part Number
A000047
Description
MCU, MPU & DSP Development Tools Mega2560
Manufacturer
Arduino
Series
-r
Type
MCUr
Specifications of A000047
Processor To Be Evaluated
ATmega2560
Interface Type
USB, I2C, SPI
Dimensions
4 in x 2.1 in
Operating Supply Voltage
5 V
Contents
Board
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
ATmega2560
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25.8.3
2549M–AVR–09/10
ADCSRA – ADC Control and Status Register A
Table 25-4.
Note:
• Bit 7 – ADEN: ADC Enable
Writing this bit to one enables the ADC. By writing it to zero, the ADC is turned off. Turning the
ADC off while a conversion is in progress, will terminate this conversion.
Bit
(0x7A)
Read/Write
Initial Value
101000
101001
101010
101011
101100
101101
101110
101111
110000
110001
110010
110011
110100
110101
110110
110111
111000
111001
111010
111011
111100
111101
111110
111111
MUX5:0
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
1. To reach the given accuracy, 10x or 200x Gain should not be used for operating voltage below
2.7V.
Input Channel Selections (Continued)
Reserved
Reserved
Single Ended
ADEN
R/W
7
0
Input
N/A
N/A
ADSC
R/W
6
0
ATmega640/1280/1281/2560/2561
ADC8
ADC9
ADC8
ADC9
ADC10
ADC11
ADC10
ADC11
ADC8
ADC9
ADC10
ADC11
ADC12
ADC13
ADC14
ADC15
ADC8
ADC9
ADC10
ADC11
ADC12
ADC13
ADATE
R/W
Positive Differential
5
0
Input
ADIF
R/W
4
0
ADIE
R/W
3
0
ADC8
ADC8
ADC8
ADC8
ADC10
ADC10
ADC10
ADC10
ADC9
ADC9
ADC9
ADC9
ADC9
ADC9
ADC9
ADC9
ADC10
ADC10
ADC10
ADC10
ADC10
ADC10
ADPS2
Negative Differential
R/W
N/A
N/A
2
0
Input
ADPS1
R/W
1
0
ADPS0
R/W
0
0
10x
10x
200x
200x
10x
10x
200x
200x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
1x
ADCSRA
Gain
292
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