A000046 Arduino, A000046 Datasheet - Page 317
A000046
Manufacturer Part Number
A000046
Description
MCU, MPU & DSP Development Tools Uno
Manufacturer
Arduino
Series
-r
Type
MCUr
Specifications of A000046
Processor To Be Evaluated
ATmega328
Interface Type
USB, I2C, SPI
Dimensions
2.7 in x 2.1 in
Operating Supply Voltage
5 V
Contents
Board
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
ATmega328
- Current page: 317 of 448
- Download datasheet (13Mb)
28.4
28.4.1
Table 28-1.
28.4.2
28.4.3
Table 28-2.
Note:
8161D–AVR–10/09
Factory
Calibration
User
Calibration
Symbol
1/t
t
t
t
t
t
Δ
CLCL
CHCX
CLCX
CLCH
CHCL
t
CLCL
CLCL
Clock Characteristics
All DC Characteristics contained in this datasheet are based on simulation and characterization of other AVR microcontrollers
manufactured in the same process technology. These values are preliminary values representing design targets, and will be
updated after characterization of actual silicon.
Calibrated Internal RC Oscillator Accuracy
External Clock Drive Waveforms
External Clock Drive
Calibration Accuracy of Internal RC Oscillator
External Clock Drive
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in period from
one clock cycle to the
next
Figure 28-2. External Clock Drive Waveforms
7.3 - 8.1 MHz
Frequency
8.0 MHz
V
IL1
Min.
250
100
100
V
0
V
CC
IH1
= 1.8 - 5.5V
Max.
1.8V - 5.5V
2.0
2.0
4
2
V
3V
ATmega48PA/88PA/168PA/328P
CC
Min.
100
40
40
V
0
CC
= 2.7 - 5.5V
Max.
Temperature
-40°C - 85°C
1.6
1.6
10
2
25°C
Min.
V
50
20
20
0
CC
= 4.5 - 5.5V
Calibration Accuracy
Max.
0.5
0.5
20
2
±10%
±1%
Units
MHz
ns
ns
ns
μs
μs
%
317
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