ATMEGA329P-20AN Atmel, ATMEGA329P-20AN Datasheet - Page 343

• Manufacturer Part Number: ATMEGA329P-20AN
• Description: IC MCU AVR 32K 20MHZ 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA329P-20AN

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 54
• 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): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

29.1
29.1.1
8021G–AVR–03/11
ATmega329P
Active Supply Current
Figure 29-1. ATmega329P: Active Supply Current vs. Low Frequency (0.1 - 1.0MHz)
Figure 29-2. ATmega329P: Active Supply Current vs. Frequency (1 - 20MHz)
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
25
20
15
10
1
0
5
0
0
0
0.1
2
0.2
4
1.8 V
0.3
6
0.4
8
Frequency (MHz)
Frequency (MHz)
2.7 V
0.5
10
0.6
12
ATmega329P/3290P
3.3 V
0.7
14
0.8
16
4.0 V
0.9
18
20
1
5.5 V
5.0 V
4.5 V
5.5 V
5.0 V
4.5 V
4.0 V
3.3 V
2.7 V
1.8 V
343