ATMEGA323-8AI Atmel, ATMEGA323-8AI Datasheet - Page 124
ATMEGA323-8AI
Manufacturer Part Number
ATMEGA323-8AI
Description
IC AVR MCU 32K 8MHZ IND 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA323L-4PC.pdf
(247 pages)
Specifications of ATMEGA323-8AI
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
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)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
ATMEGA3238AI
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The Analog
Comparator
124
ATmega323(L)
The Analog Comparator compares the input values on the positive pin PB2 (AIN0) and
negative pin PB3 (AIN1). When the voltage on the positive pin PB2 (AIN0) is higher than
the voltage on the negative pin PB3 (AIN1), the Analog Comparator Output, ACO, is set
(one). 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 comparator output rise,
fall or toggle. A block diagram of the comparator and its surrounding logic is shown in
Figure 59.
Figure 59. Analog Comparator Block Diagram
Note:
ACME
ADEN
ADC MULTIPLEXER
REFERENCE
BANDGAP
OUTPUT
See Figure 60 on page 128.
1)
ACBG
1457G–AVR–09/03
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