ATMEGA324A-PU Atmel, ATMEGA324A-PU Datasheet - Page 467

• Manufacturer Part Number: ATMEGA324A-PU
• Description: IC MCU AVR 32K 20MHZ 40PDIP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA324A-PU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• 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): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Controller Family/series: Atmega
• No. Of I/o's: 32
• Eeprom Memory Size: 1KB
• Ram Memory Size: 2KB
• Cpu Speed: 20MHz
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8272A–AVR–01/10
Figure 28-235.ATmega644A: Calibrated 8 MHz RC Oscillator vs. Temperature
Figure 28-236.ATmega644A: Calibrated 8 MHz RC Oscillator vs. OSCCAL Value
164A/164PA/324A/324PA/644A/644PA/1284/1284P
8.4
8.3
8.2
8.1
7.9
7.8
7.7
7.6
16
14
12
10
8
8
6
4
2
0
-40
0
-30
16
-20
32
-10
48
0
64
10
80
20
96
30
Temperature (°C)
112 128 144 160 176 192 208 224 240
OSCCAL (X1)
40
50
60
70
80
90
100 110 120
-40 °C
85 °C
25 °C
5.0 V
3.0 V
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