ATMEGA2560V-8AU Atmel, ATMEGA2560V-8AU Datasheet - Page 271
![IC AVR MCU 256K 8MHZ 100TQFP](/photos/6/70/67048/313-100-tqfp_sml.jpg)
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
- Current page: 271 of 444
- Download datasheet (10Mb)
24. AC – Analog Comparator
24.1
2549M–AVR–09/10
Analog Comparator Multiplexed Input
The Analog Comparator compares the input values on the positive pin AIN0 and negative pin
AIN1. When the voltage on the positive pin AIN0 is higher than the voltage on the negative pin
AIN1, the Analog Comparator output, ACO, is set. The comparator’s output can be set to trigger
the Timer/Counter1 Input Capture function. In addition, the comparator can trigger a separate
interrupt, exclusive to the Analog Comparator. The user can select Interrupt triggering on com-
parator output rise, fall or toggle. A block diagram of the comparator and its surrounding logic is
shown in
The Power Reduction ADC bit, PRADC, in
must be disabled by writing a logical zero to be able to use the ADC input MUX.
Figure 24-1. Analog Comparator Block Diagram
Note:
It is possible to select any of the ADC15:0 pins to replace the negative input to the Analog Com-
parator. The ADC multiplexer is used to select this input, and consequently, the ADC must be
switched off to utilize this feature. If the Analog Comparator Multiplexer Enable bit (ACME in
ADCSRB) is set and the ADC is switched off (ADEN in ADCSRA is zero), MUX5 and MUX2:0 in
ADMUX select the input pin to replace the negative input to the Analog Comparator, as shown in
Table
log Comparator.
Table 24-1.
ACME
0
1
1
1
1
1
24-1. If ACME is cleared or ADEN is set, AIN1 is applied to the negative input to the Ana-
ADC MULTIPLEXER
1. See
2. Refer to
Figure
REFERENCE
ACME
ADEN
BANDGAP
OUTPUT
placement.
Analog Comparator Mulitiplexed Input
ADEN
Table
(1)
24-1.
1
0
0
0
0
x
ACBG
Figure 1-1 on page 2
24-1.
MUX5
0
0
0
0
x
x
ATmega640/1280/1281/2560/2561
MUX2:0
and
000
001
010
011
xxx
xxx
Table 12-5 on page 79
“PRR0 – Power Reduction Register 0” on page 56
(2)
Analog Comparator Negative Input
for Analog Comparator pin
ADC0
ADC1
ADC2
ADC3
AIN1
AIN1
271
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