ATMEGA328P-AU Atmel, ATMEGA328P-AU Datasheet - Page 534

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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8271C–AVR–08/10
0x3D (0x5D)
0x3C (0x5C)
0x2D (0x4D)
0x2C (0x4C)
0x1D (0x3D)
0x1C (0x3C)
0x3E (0x5E)
0x3B (0x5B)
0x3A (0x5A)
0x2E (0x4E)
0x2B (0x4B)
0x2A (0x4A)
0x1E (0x3E)
Address
0x3F (0x5F)
0x39 (0x59)
0x38 (0x58)
0x37 (0x57)
0x36 (0x56)
0x35 (0x55)
0x34 (0x54)
0x33 (0x53)
0x32 (0x52)
0x31 (0x51)
0x30 (0x50)
0x2F (0x4F)
0x29 (0x49)
0x28 (0x48)
0x27 (0x47)
0x26 (0x46)
0x25 (0x45)
0x24 (0x44)
0x23 (0x43)
0x22 (0x42)
0x21 (0x41)
0x20 (0x40)
0x1F (0x3F)
(0x7D)
(0x7C)
(0x7B)
(0x7A)
(0x79)
(0x78)
(0x77)
(0x76)
(0x75)
(0x74)
(0x73)
(0x72)
(0x71)
(0x70)
(0x6F)
(0x6E)
(0x6D)
(0x6C)
(0x6B)
(0x6A)
(0x69)
(0x68)
(0x67)
(0x66)
(0x65)
(0x64)
(0x63)
(0x62)
(0x61)
(0x60)
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
WDTCSR
Reserved
Reserved
Reserved
Reserved
Reserved
SPMCSR
Reserved
Reserved
Reserved
Reserved
Reserved
ADCSRB
ADCSRA
PCMSK2
PCMSK1
PCMSK0
OSCCAL
TCCR0B
TCCR0A
Name
MCUCR
MCUSR
GPIOR2
GPIOR1
GPIOR0
ADMUX
TIMSK2
TIMSK1
TIMSK0
GTCCR
CLKPR
OCR0B
OCR0A
EEARH
EEARL
EICRA
PCICR
TCNT0
EIMSK
SMCR
ADCH
ADCL
SREG
ACSR
SPDR
SPSR
SPCR
EEDR
EECR
EIFR
PRR
SPH
SPL
PCINT23
COM0A1
CLKPCE
PCINT7
FOC0A
REFS1
PRTWI
SPMIE
Bit 7
ADEN
WDIF
SPIE
ACD
SPIF
TSM
SP7
I
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
(RWWSB)
PCINT22
PCINT14
COM0A0
PRTIM2
BODS
PCINT6
FOC0B
REFS0
Bit 6
ACME
WCOL
ADSC
ACBG
WDIE
SP6
SPE
T
(6)
5.
BODSE
PCINT21
PCINT13
COM0B1
PRTIM0
PCINT5
ADLAR
ADATE
EEPM1
Bit 5
WDP3
DORD
ICIE1
ACO
SP5
H
(6)
Timer/Counter0 Output Compare Register B
Timer/Counter0 Output Compare Register A
(EEPROM Address Register High Byte)
EEPROM Address Register Low Byte
(RWWSRE)
General Purpose I/O Register 2
General Purpose I/O Register 1
General Purpose I/O Register 0
Oscillator Calibration Register
ADC Data Register High byte
ADC Data Register Low byte
PCINT20
PCINT12
COM0B0
PCINT4
EEPM0
WDCE
Bit 4
MSTR
ADIF
EEPROM Data Register
PUD
SP4
ACI
Timer/Counter0 (8-bit)
S
SPI Data Register
5.
PCINT19
PCINT11
CLKPS3
BLBSET
PRTIM1
WGM02
PCINT3
WDRF
EERIE
Bit 3
MUX3
ISC11
CPOL
ADIE
WDE
ACIE
SM2
SP3
V
5.
PCINT18
PCINT10
(SP10)
CLKPS2
OCIE2B
OCIE1B
OCIE0B
PGWRT
PCINT2
EEMPE
ADTS2
ADPS2
PRSPI
Bit 2
MUX2
ISC10
PCIE2
WDP2
BORF
CPHA
CS02
ACIC
SM1
SP2
N
5.
PRUSART0
PCINT17
PSRASY
CLKPS1
OCIE2A
OCIE1A
OCIE0A
WGM01
PCINT9
PCINT1
PGERS
ADTS1
ADPS1
EXTRF
Bit 1
PCIE1
WDP1
IVSEL
ACIS1
MUX1
ISC01
SPR1
EEPE
INTF1
CS01
SM0
INT1
SP9
SP1
Z
SELFPRGEN
PSRSYNC
PCINT16
CLKPS0
WGM00
PCINT8
PCINT0
PRADC
ADPS0
ADTS0
Bit 0
TOIE2
TOIE1
TOIE0
PCIE0
WDP0
ACIS0
MUX0
ISC00
PORF
SPI2X
EERE
INTF0
SPR0
CS00
IVCE
INT0
SP8
SP0
SE
C
45/69/93
144/166
Page
263
266
264
266
266
164
140
112
294
248
176
175
174
75
75
75
72
37
42
37
55
12
12
55
40
25
25
21
21
21
21
25
73
73
9
534

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