ATMEGA329V-8MI Atmel, ATMEGA329V-8MI Datasheet - Page 207
ATMEGA329V-8MI
Manufacturer Part Number
ATMEGA329V-8MI
Description
IC AVR MCU 32K 8MHZ 64-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA329V-8MI
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, 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)
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
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21. Analog Comparator
21.1
2552K–AVR–04/11
Overview
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 PRADC, in “Power Reduction Register - PRR” on page 35 must be written to zero to use the
ADC input MUX.
Figure 21-1. Analog Comparator Block Diagram
Notes:
ADC MULTIPLEXER
1. See
2. Refer to
Figure
REFERENCE
ACME
ADEN
BANDGAP
OUTPUT
placement.
Table 1 on page
(1)
21-1.
ACBG
Figure 1-1 on page 2
208.
and
ATmega329/3290/649/6490
Table 13-5 on page 68
(2)
for Analog Comparator pin
207
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