ATMEGA328P-AU Atmel, ATMEGA328P-AU Datasheet - Page 317

MCU AVR 32K FLASH 32TQFP

ATMEGA328P-AU

Manufacturer Part Number
ATMEGA328P-AU
Description
MCU AVR 32K FLASH 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar

Specifications of ATMEGA328P-AU

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
Processor Series
ATMEGA32x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
2-Wire, SPI, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
23
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Cpu Family
ATmega
Device Core
AVR
Device Core Size
8b
Frequency (max)
20MHz
Total Internal Ram Size
2KB
# I/os (max)
23
Number Of Timers - General Purpose
3
Operating Supply Voltage (typ)
2.5/3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
1.8V
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
32
Package Type
TQFP
Controller Family/series
AVR MEGA
No. Of I/o's
23
Eeprom Memory Size
1KB
Ram Memory Size
2KB
Cpu Speed
20MHz
Rohs Compliant
Yes
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVR
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ATMEGA328P-20AU
ATMEGA328P-20AU
Q3790246

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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
nA
µA
µA
µA
µA
ns
317

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