ATMEGA328P-AU Atmel, ATMEGA328P-AU Datasheet - Page 535

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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Note:
8271C–AVR–08/10
0x0D (0x2D)
0x0C (0x2C)
0x1B (0x3B)
0x1A (0x3A)
0x0E (0x2E)
0x0B (0x2B)
0x0A (0x2A)
Address
0x19 (0x39)
0x18 (0x38)
0x17 (0x37)
0x16 (0x36)
0x15 (0x35)
0x14 (0x34)
0x13 (0x33)
0x12 (0x32)
0x11 (0x31)
0x10 (0x30)
0x0F (0x2F)
0x09 (0x29)
0x08 (0x28)
0x07 (0x27)
0x06 (0x26)
0x05 (0x25)
0x04 (0x24)
0x03 (0x23)
0x02 (0x22)
0x01 (0x21)
0x0 (0x20)
1. For compatibility with future devices, reserved bits should be written to zero if accessed. Reserved I/O memory addresses
2. I/O Registers within the address range 0x00 - 0x1F are directly bit-accessible using the SBI and CBI instructions. In these
3. Some of the Status Flags are cleared by writing a logical one to them. Note that, unlike most other AVRs, the CBI and SBI
4. When using the I/O specific commands IN and OUT, the I/O addresses 0x00 - 0x3F must be used. When addressing I/O
5. Only valid for ATmega88A/88PA/168A/168PA/328/328P.
6. BODS and BODSE only available for picoPower devices ATmega48PA/88PA/168PA/328P
should never be written.
registers, the value of single bits can be checked by using the SBIS and SBIC instructions.
instructions will only operate on the specified bit, and can therefore be used on registers containing such Status Flags. The
CBI and SBI instructions work with registers 0x00 to 0x1F only.
Registers as data space using LD and ST instructions, 0x20 must be added to these addresses. The
ATmega48A/48PA/88A/88PA/168A/168PA/328/328P is a complex microcontroller with more peripheral units than can be
supported within the 64 location reserved in Opcode for the IN and OUT instructions. For the Extended I/O space from 0x60
- 0xFF in SRAM, only the ST/STS/STD and LD/LDS/LDD instructions can be used.
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Name
PORTD
PORTC
PORTB
PCIFR
DDRD
DDRC
TIFR2
TIFR1
TIFR0
DDRB
PIND
PINC
PINB
PORTD7
PORTB7
Bit 7
PIND7
PINB7
DDD7
DDB7
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
PORTD6
PORTC6
PORTB6
Bit 6
PIND6
PINC6
PINB6
DDD6
DDC6
DDB6
PORTD5
PORTC5
PORTB5
Bit 5
PIND5
PINC5
PINB5
DDD5
DDC5
DDB5
ICF1
PORTD4
PORTC4
PORTB4
Bit 4
PIND4
PINC4
PINB4
DDD4
DDC4
DDB4
PORTD3
PORTC3
PORTB3
Bit 3
PIND3
PINC3
PINB3
DDD3
DDC3
DDB3
PORTD2
PORTC2
PORTB2
OCF2B
OCF1B
OCF0B
PIND2
PINC2
Bit 2
PCIF2
PINB2
DDD2
DDC2
DDB2
PORTD1
PORTC1
PORTB1
OCF2A
OCF1A
OCF0A
Bit 1
PCIF1
PIND1
PINC1
PINB1
DDD1
DDC1
DDB1
PORTD0
PORTC0
PORTB0
Bit 0
PIND0
PINC0
PINB0
PCIF0
DDD0
DDC0
TOV2
TOV1
TOV0
DDB0
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