ATMEGA328P-20PU Atmel, ATMEGA328P-20PU Datasheet - Page 388

• 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 29-127.Watchdog Oscillator Frequency vs. V
Figure 29-128.Calibrated 8 MHz RC Oscillator Frequency vs. V
8.05
7.95
7.85
120
119
118
117
116
115
114
113
112
111
110
109
8.1
7.9
7.8
8
CALIBRATED 8MHz RC OSCILLATOR FREQUENCY vs. OPERATING VOLTAGE
1.5
2
2
2.5
WATCHDOG OSCILLATOR FREQUENCY vs. V
2.5
3
3
3.5
V
CC
3.5
(V)
(V)
4
CC
ATmega48P/88P/168P
.
4
4.5
4.5
CC
.
CC
5
5
5.5
5.5
25 °C
85 °C
85 °C
25 °C
388