ATMEGA328P-20PU Atmel, ATMEGA328P-20PU Datasheet - Page 389

• 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 29-129.Calibrated 8 MHz RC Oscillator Frequency vs. Temperature.
Figure 29-130.Calibrated 8 MHz RC Oscillator Frequency vs. OSCCAL Value.
8.15
8.05
7.95
7.85
8.1
7.9
7.8
14
12
10
8
8
6
4
2
0
0
0
CALIBRATED 8MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE
CALIBRATED 8MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE
16
10
32
48
20
64
30
80
96
40
112
OSCCAL (X1)
Temperature
128
50
144
60
ATmega48P/88P/168P
160
176
70
192
80
208
5.5 V
2.7 V
1.8 V
224
90
240
100
25 °C
85 °C
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