ATMEGA325-16AUR Atmel, ATMEGA325-16AUR Datasheet - Page 197
ATMEGA325-16AUR
Manufacturer Part Number
ATMEGA325-16AUR
Description
MCU AVR 32K FLASH 16MHZ 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA325-16AUR.pdf
(362 pages)
Specifications of ATMEGA325-16AUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
Quantity
Price
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21. Analog Comparator
2570M–AVR–04/11
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
abled by writing a logical zero to be able to use the ADC module.
Figure 21-1. Analog Comparator Block Diagram
Notes:
ADC MULTIPLEXER
1. See
2. Refer to
Figure
REFERENCE
ACME
ADEN
BANDGAP
OUTPUT
page 72
Table 21-1 on page
(1)
21-1.
ACBG
Figure 1-1 on page
for Analog Comparator pin placement.
198.
2,
Figure 1-2 on page
“Power Reduction Register” on page 37
ATmega325/3250/645/6450
(2)
3, and
“Alternate Functions of Port E” on
must be dis-
197
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