ATMEGA323-8AC Atmel, ATMEGA323-8AC Datasheet - Page 230

• 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

230
ATmega323(L)
Figure 131. I/O Pin Input Threshold Voltage vs. V
Figure 132. I/O Pin Input Hysteresis vs. V
2.5
1.5
0.5
0.18
0.16
0.14
0.12
0.08
0.06
0.04
0.02
2
1
0
0.1
2.7
2.7
0
I/O PIN INPUT THRESHOLD VOLTAGE vs. V
I/O PIN INPUT HYSTERESIS vs. V
T = 25
T = 25
4.0
4.0
A
A
V
V
CC
cc
cc
˚
˚
C
C
CC
cc
cc
1457G–AVR–09/03
5.0
5.0