ATMEGA328P-20PU Atmel, ATMEGA328P-20PU Datasheet - Page 365
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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8025K–AVR–10/09
Figure 29-83. Calibrated 8 MHz RC Oscillator Frequency vs. Temperature.
Figure 29-84. Calibrated 8 MHz RC Oscillator Frequency vs. OSCCAL Value.
8.4
8.3
8.2
8.1
7.9
7.8
7.7
7.6
14
12
10
8
8
6
4
2
0
-50
0
CALIBRATED 8 MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE
CALIBRATED 8 MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE
16
-40
32
-30
48
-20
64
-10
80
0
96
10
112 128 144 160 176 192 208 224 240
OSCCAL (X1)
Temperature
20
30
ATmega48P/88P/168P
40
50
60
70
80
5.0 V
3.0 V
90
-40 °C
85 °C
25 °C
365
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