ATMEGA328P-20PU Atmel, ATMEGA328P-20PU Datasheet - Page 335
ATMEGA328P-20PU
Manufacturer Part Number
ATMEGA328P-20PU
Description
Manufacturer
Atmel
Datasheet
1.ATMEGA328P-20PU.pdf
(419 pages)
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
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29.1.9
8025K–AVR–10/09
Pin Threshold and Hysteresis
Figure 29-25. I/O Pin Input Threshold Voltage vs. V
Figure 29-26. I/O Pin Input Threshold Voltage vs. V
2.5
1.5
0.5
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
85 °C
25 °C
-40 °C
85 °C
25 °C
335
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