ATMEGA323-8AI Atmel, ATMEGA323-8AI Datasheet - Page 226

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

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

226
ATmega323(L)
Figure 123. Calibrated RC Oscillator Frequency vs. V
Figure 124. Watchdog Oscillator Frequency vs. V
Sink and source capabilities of I/O ports are measured on one pin at a time.
1600
1400
1200
1000
1.02
0.98
0.96
0.94
0.92
0.88
800
600
400
200
0.9
1
0
2
2
2.5
2.5
WATCHDOG OSCILLATOR FREQUENCY vs. V
CALIBRATED RC OSCILLATOR FREQUENCY vs.
3
3
OPERATING VOLTAGE
3.5
3.5
V
cc
(V)
V (V)
cc
4
4
CC
4.5
4.5
CC
5
5
T = 25
cc
A
T = 25
A
˚
5.5
C
T = 85
5.5
A
˚
T = 85
C
A
˚
C
1457G–AVR–09/03
˚
C
6
6
T = 45
T = 70
A
A
˚
˚
C
C