ATMEGA323-8AC Atmel, ATMEGA323-8AC Datasheet - Page 143

• Manufacturer Part Number: ATMEGA323-8AC
• Description: IC AVR MCU 32K 8MHZ COM 44TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA323-8AC

• 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: 0°C ~ 70°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: ATMEGA3238AC

1457G–AVR–09/03
Figure 69. Port B Schematic Diagram (Pin PB2)
Figure 70. Port B Schematic Diagram (Pin PB3)
WP:
WD:
RL:
RP:
RD:
PUD: PULL-UP DISABLE
WP:
WD:
RL:
RP:
RD:
PUD: PULL-UP DISABLE
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
PB2
PB3
MOS
PULL-
UP
INT2 ENABLE
PWRDN
PWRDN
ISC2
PUD
'1'
PUD
D
C
R
RL
RP
Q
TO COMPARATOR
ATmega323(L)
TO COMPARATOR
Q
Q
PORTB2
RESET
RESET
DDB2
WD
WP
RD
R
C
R
C
PORTB3
DDB3
COM00
COM01
D
D
COMP. MATCH 0
HW CLEAR
INT2
SW CLEAR
AIN0
PWM0
FOC0
AIN1
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