ATMEGA328P-20PU Atmel, ATMEGA328P-20PU Datasheet - Page 341

• Manufacturer Part Number: ATMEGA328P-20PU
• Manufacturer: Atmel

Specifications of ATMEGA328P-20PU

• Cpu Family: ATmega
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 20MHz
• Interface Type: SPI/TWI/USART
• Program Memory Type: Flash
• Program Memory Size: 32KB
• Total Internal Ram Size: 2KB
• # I/os (max): 23
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 6-chx10-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Through Hole
• Pin Count: 28
• Package Type: PDIP
• Lead Free Status / Rohs Status: Compliant

8025K–AVR–10/09
Figure 29-37. Calibrated 8 MHz RC Oscillator Frequency vs. Temperature.
Figure 29-38. Calibrated 8 MHz RC Oscillator Frequency vs. OSCCAL Value.
8.15
8.05
7.95
7.85
8.2
8.1
7.9
7.8
14
12
10
8
8
6
4
2
0
-50
0
CALIBRATED 8 MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE
-40
16
CALIBRATED 8 MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE
32
-30
48
-20
64
-10
80
0
96
10
112 128 144 160 176 192 208 224 240
OSCCAL (X1)
Temperature
20
30
40
ATmega48P/88P/168P
50
60
70
80
5.0 V
3.0 V
90
100
-40 °C
85 °C
25 °C
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