ATMEGA328P-AU Atmel, ATMEGA328P-AU Datasheet - Page 24

• 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

10. Datasheet Revision History
10.1
10.2
10.3
8161DS–AVR–10/09
Rev. 8161D – 10/09
Rev. 8161C – 05/09
Rev. 8161B – 01/09
Please note that the referring page numbers in this section are referred to this document. The
referring revision in this section are referring to the document revision.
1.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
1.
2.
3.
4.
5.
6.
Inserted Table 8-8 on page 32, Capacitance for Low-frequency Crystal Oscillator.
Updated
Updated
Updated
Figure 7-1 on page
Updated
Updated
Updated
Updated
Updated
ATmega168PA and ATmega328P” on page
Inserted
Inserted
Inserted
Inserted
Inserted Ordering Information for
Inserted Ordering Information for
Inserted
Editing updates.
Updated
Updated
Updated
Figure 7-1 on page
Updated
Updated
Updated
”ATmega168PA DC Characteristics” on page
”ATmega328P DC Characteristics” on page
”Features” on page 1
”Overview” on page 5
”AVR Memories” on page 16
”Register Description” on page
”System Control and Reset” on page
”Interrupts” on page
”External Interrupts” on page
”Boot Loader Support – Read-While-Write Self-Programming, ATmega88PA,
”Features” on page 1
”Overview” on page 5
”AVR Memories” on page 16
”Register Description” on page
”System Control and Reset” on page
”Interrupts” on page
”ATmega168PA Typical Characteristics” on page
”ATmega328P Typical Characteristics” on page
”Errata ATmega328P” on page
17.
17.
ATmega48PA/88PA/168PA/328P
57.
57.
for ATmega48PA/88PA/168PA/328P.
for ATmega48PA and updated the book accordingly.
included the
included the
”ATmega168PA” on page
”ATmega328P” on page
included
included
70.
44.
44.
Table 2-1 on page
277.
Table 2-1 on page
438.
46.
46.
”Register Description” on page 21
”Register Description” on page 21
316.
315.
6.
6.
399.
433.
375.
432.
and inserted
and inserted
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