A000046 Arduino, A000046 Datasheet - Page 318

• 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

28.5
Table 28-3.
Notes:
Table 28-4.
Notes:
8161D–AVR–10/09
Symbol
SR
V
V
V
t
t
V
t
I
RST
HYST
BOD
POT
RST
BG
BG
BG
ON
System and Reset Characteristics
1. Values are guidelines only.
2. The Power-on Reset will not work unless the supply voltage has been below V
1. V
tested down to V
a voltage where correct operation of the microcontroller is no longer guaranteed. The test is performed using
BODLEVEL = 110, 101 and 100.
BODLEVEL 2:0 Fuses
BOT
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
Power-on Slope Rate
Minimum pulse width on RESET Pin
Brown-out Detector Hysteresis
Min Pulse Width on Brown-out Reset
Bandgap reference voltage
Bandgap reference start-up time
Bandgap reference current consumption
RESET Pin Threshold Voltage
Reset, Brown-out and Internal Voltage Characteristics
BODLEVEL Fuse Coding
may be below nominal minimum operating voltage for some devices. For devices where this is the case, the device is
111
110
101
100
011
010
001
000
CC
= V
BOT
during the production test. This guarantees that a Brown-Out Reset will occur before V
(1)
Min V
(2)
1.7
2.5
4.1
BOT
ATmega48PA/88PA/168PA/328P
V
T
V
T
V
T
A
A
A
CC
CC
CC
=25°C
=25°C
=25°C
(1)
=2.7
=2.7
=2.7
Typ V
1.8
2.7
4.3
BOD Disabled
BOT
Reserved
0.2 V
POT
0.01
Min
1.1
0.6
1.0
(falling)
CC
Max V
Typ
1.4
1.3
1.1
50
40
10
2
2.0
2.9
4.5
BOT
0.9 V
Max
1.6
1.6
2.5
1.2
10
70
CC
CC
Units
drops to
V
Units
V/ms
mV
µA
µs
µs
µs
V
V
V
V
318