ATMEGA328P-20PU Atmel, ATMEGA328P-20PU Datasheet - Page 383

• 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

29.3.9
8025K–AVR–10/09
Pin Threshold and Hysteresis
Figure 29-117.I/O Pin Input Threshold Voltage vs. V
Figure 29-118.I/O Pin Input Threshold Voltage vs. V
2.5
1.5
0.5
3.5
2.5
1.5
0.5
3
2
1
0
2
1
0
1.5
1.5
2
2
I/O PIN INPUT THRESHOLD VOLTAGE vs. V
I/O PIN INPUT THRESHOLD VOLTAGE vs. V
2.5
2.5
3
3
VIH, IO PIN READ AS '1'
VIL, IO PIN READ AS '0'
V
V
CC
CC
3.5
3.5
(V)
(V)
CC
CC
ATmega48P/88P/168P
(V
(V
4
4
IH
IL
, I/O Pin read as ‘0’).
, I/O Pin read as ‘1’).
4.5
4.5
CC
CC
5
5
5.5
5.5
-40 °C
-40 °C
85 °C
25 °C
85 °C
25 °C
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