ATMEGA2560V-8AU Atmel, ATMEGA2560V-8AU Datasheet - Page 288
ATMEGA2560V-8AU
Manufacturer Part Number
ATMEGA2560V-8AU
Description
IC AVR MCU 256K 8MHZ 100TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets
1.ATMEGA640V-8CU.pdf
(38 pages)
2.ATMEGA640V-8CU.pdf
(444 pages)
3.ATMEGA2560V-8AU.pdf
(37 pages)
Specifications of ATMEGA2560V-8AU
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
86
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 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Processor Series
ATMEGA256x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
8 KB
Interface Type
2-Wire, SPI, USART
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
86
Number Of Timers
6
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
A/d Inputs
16-Channel, 10-Bit
Cpu Speed
8 MIPS
Eeprom Memory
4K Bytes
Input Output
86
Interface
2-Wire/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
100-pin TQFP
Programmable Memory
256K Bytes
Timers
2-8-bit, 4-16-bit
Voltage, Range
1.8-5.5 V
Package
100TQFP
Device Core
AVR
Family Name
ATmega
Maximum Speed
8 MHz
For Use With
ATSTK600-TQFP100 - STK600 SOCKET/ADAPTER 100-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK503 - STARTER KIT AVR EXP MODULE 100PATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA2560V-8AU
Manufacturer:
Atmel
Quantity:
900
Part Number:
ATMEGA2560V-8AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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25.7
2549M–AVR–09/10
ADC Conversion Result
After the conversion is complete (ADIF is high), the conversion result can be found in the ADC
Result Registers (ADCL, ADCH).
For single ended conversion, the result is
where V
Table 25-3 on page 289
0x3FF represents the selected reference voltage minus one LSB.
If differential channels are used, the result is
where V
and V
0x200 (-512d) through 0x1FF (+511d). Note that if the user wants to perform a quick polarity
check of the result, it is sufficient to read the MSB of the result (ADC9 in ADCH). If the bit is one,
the result is negative, and if this bit is zero, the result is positive.
ing of the differential input range.
Table 25-2 on page 289
(ADCn - ADCm) is selected with a gain of GAIN and a reference voltage of V
Figure 25-15. Differential Measurement Range
REF
IN
POS
the selected voltage reference. The result is presented in two’s complement form, from
is the voltage on the selected input pin and V
is the voltage on the positive input pin, V
- V
REF
and
shows the resulting output codes if the differential input channel pair
Table 25-4 on page
ATmega640/1280/1281/2560/2561
ADC
Output Code
0x3FF
ADC
0x1FF
0x000
0x200
=
(
---------------------------------------------------- -
0
=
V
POS
V
--------------------------
IN
V
–
⋅
REF
V
V
1024
290). 0x000 represents analog ground, and
REF
NEG
NEG
REF
) 512
⋅
the voltage on the negative input pin,
the selected voltage reference (see
Figure 25-15
V
REF
Differential Input
Voltage (Volts)
REF
shows the decod-
.
288
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