ATMEGA328P-AU Atmel, ATMEGA328P-AU Datasheet - Page 532

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
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
30. Register Summary
Address
Name
Bit 7
(0xFF)
Reserved
(0xFE)
Reserved
(0xFD)
Reserved
(0xFC)
Reserved
(0xFB)
Reserved
(0xFA)
Reserved
(0xF9)
Reserved
(0xF8)
Reserved
(0xF7)
Reserved
(0xF6)
Reserved
(0xF5)
Reserved
(0xF4)
Reserved
(0xF3)
Reserved
(0xF2)
Reserved
(0xF1)
Reserved
(0xF0)
Reserved
(0xEF)
Reserved
(0xEE)
Reserved
(0xED)
Reserved
(0xEC)
Reserved
(0xEB)
Reserved
(0xEA)
Reserved
(0xE9)
Reserved
(0xE8)
Reserved
(0xE7)
Reserved
(0xE6)
Reserved
(0xE5)
Reserved
(0xE4)
Reserved
(0xE3)
Reserved
(0xE2)
Reserved
(0xE1)
Reserved
(0xE0)
Reserved
(0xDF)
Reserved
(0xDE)
Reserved
(0xDD)
Reserved
(0xDC)
Reserved
(0xDB)
Reserved
(0xDA)
Reserved
(0xD9)
Reserved
(0xD8)
Reserved
(0xD7)
Reserved
(0xD6)
Reserved
(0xD5)
Reserved
(0xD4)
Reserved
(0xD3)
Reserved
(0xD2)
Reserved
(0xD1)
Reserved
(0xD0)
Reserved
(0xCF)
Reserved
(0xCE)
Reserved
(0xCD)
Reserved
(0xCC)
Reserved
(0xCB)
Reserved
(0xCA)
Reserved
(0xC9)
Reserved
(0xC8)
Reserved
(0xC7)
Reserved
(0xC6)
UDR0
(0xC5)
UBRR0H
(0xC4)
UBRR0L
(0xC3)
Reserved
(0xC2)
UCSR0C
UMSEL01
(0xC1)
UCSR0B
RXCIE0
(0xC0)
UCSR0A
RXC0
8271C–AVR–08/10
Bit 6
Bit 5
Bit 4
Bit 3
USART I/O Data Register
USART Baud Rate Register Low
UMSEL00
UPM01
UPM00
USBS0
TXCIE0
UDRIE0
RXEN0
TXEN0
TXC0
UDRE0
FE0
DOR0
Bit 2
Bit 1
Bit 0
USART Baud Rate Register High
UCPOL0
UCSZ01 /UDORD0
UCSZ00 / UCPHA0
UCSZ02
RXB80
TXB80
UPE0
U2X0
MPCM0
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