ATMEGA2561V-8MI Atmel, ATMEGA2561V-8MI Datasheet - Page 292
![IC AVR MCU 256K 8MHZ 64-QFN](/photos/12/13/121326/313-64-qfn_sml.jpg)
ATMEGA2561V-8MI
Manufacturer Part Number
ATMEGA2561V-8MI
Description
IC AVR MCU 256K 8MHZ 64-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA2561V-8MI
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
256KB (128K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-MLF®, 64-QFN
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA2561V-8MI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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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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