ATMEGA328P-AU Atmel, ATMEGA328P-AU Datasheet - Page 557

• 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

36. Datasheet Revision History
36.1
36.2
36.3
8271D–AVR–05/11
Rev. 8271D – 05/11
Rev. 8271C – 08/10
Rev. 8271B – 04/10
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.
2.
3.
4.
5.
6.
7.
8.
98.
1.
2.
3.
4.
1.
2.
3.
4.
5.
Added Atmel QTouch Sensing Capablity Feature
Updated the datasheet according to the Atmel new brand style guide.
Added 32UFBGA Pinout,
Corrected use of SBIS instructions in assembly code examples.
Corrected BOD and BODSE bits to R/W in
Figures for bandgap characterization added,
Updated
Added a footnote to the PINxn,
Updated
Updated
MMH” and “ATmega328-MMHR”.
Updated
MMH” and “ATmega328P-MMHR”.
Added
Updated
Updated the
Updated
“32CC1”
“32CC1”
Updated
on page 70
on page
on page
363 on page
Updated
responding package.
“Ordering Information”
375,
450,
”Register Description” on page 94
”Errata ATmega328” on page 555
Package drawing.
Table 9-8
”Packaging Information” on page 548
“Ordering Information”,”ATmega328P” on page
”Ordering Information” on page 540
“Ordering Information”,”ATmega328” on page
Package drawing added on
ATmega48A/PA/88A/PA/168A/PA/328/P
and
“SRAM Data
525.
Figure 30-128 on page
Figure 30-269 on page
Section 14.4 on page 94
with correct value for timer oscilliator at xtal2/tos2
Table 1-1 on page
Memory”,
for ATmega48PA/88PA/168PA/328P @ 105°C
page
Figure 8-3 on page
94.
400,
475,
”Packaging Information” on page
Figure 30-175 on page
Figure 30-316 on page 500
Section 10.11.2 on page
with PINxn as R/W.
and
2.
Figure 30-34 on page
with CCU and CCUR code related to
by replacing 28M1 with a correct cor-
”Errata ATmega328P” on page 556
19.
547. Added “ATmega328P-
546. Added “ATmega328-
425,
350,
46,
and
Figure 30-222
548.
Figure 30-81
Section 12.5
Figure 30-
557