ATMEGA328-AUR Atmel, ATMEGA328-AUR Datasheet - Page 317

• Manufacturer Part Number: ATMEGA328-AUR
• Description: IC MCU AVR 32K FLASH 32TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA328-AUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFP, 32-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 28-1.
Notes:
28.2.1
Table 28-2.
Notes:
8271C–AVR–08/10
Symbol
R
R
V
I
t
Symbol
I
ACLK
ACID
CC
ACIO
RST
PU
1. “Max” means the highest value where the pin is guaranteed to be read as low
2. “Min.” means the lowest value where the pin is guaranteed to be read as high
3. Although each I/O port can source more than the test conditions (20 mA at V
4. Although each I/O port can sink more than the test conditions (20 mA at V
1. Values with “Minimizing Power Consumption” enabled (0xFF).
ATmega48A DC Characteristics
conditions (non-transient), the following must be observed:
ATmega48A/48PA/88A/88PA/168A/168PA/328/328P:
1] The sum of all I
2] The sum of all I
If II
greater than the listed test condition.
conditions (non-transient), the following must be observed:
ATmega48A/48PA/88A/88PA/168A/168PA/328/328P:
1] The sum of all I
2] The sum of all I
3] The sum of all I
If I
than the listed test condition.
Parameter
Reset Pull-up Resistor
I/O Pin Pull-up Resistor
Analog Comparator
Input Offset Voltage
Analog Comparator
Input Leakage Current
Analog Comparator
Propagation Delay
Parameter
Power Supply Current
Power-save mode
Power-down mode
OL
OH
ATmega48A DC characteristics - T
Common DC characteristics T
exceeds the test condition, V
exceeds the test condition, V
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
OH
OH
OL
OL
OL
(3)
(3)
, for ports C0 - C5, ADC7, ADC6 should not exceed 100 mA.
, for ports B0 - B5, D5 - D7, XTAL1, XTAL2 should not exceed 100 mA.
, for ports D0 - D4, RESET should not exceed 100 mA.
, for ports C0 - C5, D0- D4, ADC7, RESET should not exceed 150 mA.
, for ports B0 - B5, D5 - D7, ADC6, XTAL1, XTAL2 should not exceed 150 mA.
(1)
Condition
V
V
V
V
V
V
Condition
Active 1 MHz, V
Active 4 MHz, V
Active 8 MHz, V
Idle 1 MHz, V
Idle 4 MHz, V
Idle 8 MHz, V
32 kHz TOSC enabled,
V
32 kHz TOSC enabled,
V
WDT enabled, V
WDT disabled, V
CC
in
CC
in
CC
CC
CC
CC
OL
= V
= V
OH
= 1.8V
= 3V
= 5V
= 5V
= 2.7V
= 4.0V
may exceed the related specification. Pins are not guaranteed to sink current greater
A
CC
CC
may exceed the related specification. Pins are not guaranteed to source current
= -40°C to 85°C, V
/2
/2
A
= -40°C to 85°C, V
CC
CC
CC
CC
CC
CC
CC
= 2V
= 3V
= 5V
CC
= 2V
= 3V
= 5V
= 3V
= 3V
CC
Min.
Min.
= 1.8V to 5.5V (unless otherwise noted) (Continued)
-50
30
20
CC
= 1.8V to 5.5V (unless otherwise noted)
CC
CC
= 5V, 10 mA at V
= 5V, 10 mA at V
Typ.
Typ.
0.03
0.21
0.75
<10
750
500
0.2
1.2
4.0
0.9
0.9
3.9
0.1
(2)
CC
CC
Max.
Max.
0.55
= 3V) under steady state
3.5
0.5
1.5
5.5
50
60
40
50
12
15
2
= 3V) under steady state
Units
Units
mV
mA
mA
mA
mA
mA
mA
kΩ
kΩ
nA
µA
µA
µA
µA
ns
317