ATMEGA2561R212-MU Atmel, ATMEGA2561R212-MU Datasheet - Page 290
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ATMEGA2561R212-MU
Manufacturer Part Number
ATMEGA2561R212-MU
Description
BUNDLE ATMEGA2561/RF212 QFN
Manufacturer
Atmel
Datasheet
1.ATMEGA640V-8CU.pdf
(444 pages)
Specifications of ATMEGA2561R212-MU
Frequency
800MHz, 900MHz
Modulation Or Protocol
802.15.4 Zigbee, 6LoWPAN, ISM
Data Interface
PCB, Surface Mount
Memory Size
256kB Flash, 4kB EEPROM, 8kB RAM
Antenna Connector
PCB, Surface Mount
Package / Case
64-QFN, 32-QFN
Processor Series
ATMEGA256x
Core
AVR8
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
256 KB
Data Ram Size
8 KB
Development Tools By Supplier
ATAVRRZ541, ATAVRRAVEN, ATAVRRZUSBSTICK, ATAVRISP2, ATAVRRZ201
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Supply
-
Power - Output
-
Operating Temperature
-
Applications
-
Sensitivity
-
Data Rate - Maximum
-
Current - Transmitting
-
Current - Receiving
-
Lead Free Status / Rohs Status
Details
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- Download datasheet (10Mb)
25.8.2
2549M–AVR–09/10
ADCSRB – ADC Control and Status Register B
• Bit 5 – ADLAR: ADC Left Adjust Result
The ADLAR bit affects the presentation of the ADC conversion result in the ADC Data Register.
Write one to ADLAR to left adjust the result. Otherwise, the result is right adjusted. Changing the
ADLAR bit will affect the ADC Data Register immediately, regardless of any ongoing conver-
sions. For a complete description of this bit, see
page
• Bits 4:0 – MUX4:0: Analog Channel and Gain Selection Bits
The value of these bits selects which combination of analog inputs are connected to the ADC.
See
in effect until this conversion is complete (ADIF in ADCSRA is set).
• Bit 3 – MUX5: Analog Channel and Gain Selection Bit
This bit is used together with MUX4:0 in ADMUX to select which combination in of analog inputs
are connected to the ADC. See
the change will not go in effect until this conversion is complete.
This bit is not valid for ATmega1281/2561.
Table 25-4.
Bit
(0x7B)
Read/Write
Initial Value
000000
000001
000010
000011
000100
000101
000110
000111
MUX5:0
Table 25-4
294.
Input Channel Selections
ADC0
ADC1
ADC2
ADC3
ADC4
ADC5
ADC6
ADC7
Single Ended
for details. If these bits are changed during a conversion, the change will not go
R
7
–
0
Input
ACME
R/W
6
0
Table 25-4
ATmega640/1280/1281/2560/2561
Positive Differential
R
5
–
0
Input
for details. If this bit is changed during a conversion,
R
4
–
0
“ADCL and ADCH – The ADC Data Register” on
MUX5
R/W
3
0
ADTS2
Negative Differential
R/W
N/A
2
0
Input
ADTS1
R/W
1
0
ADTS0
R/W
0
0
ADCSRB
Gain
290
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