ATMEGA323-8AI Atmel, ATMEGA323-8AI Datasheet - Page 231
![IC AVR MCU 32K 8MHZ IND 44TQFP](/photos/6/70/67042/313-44-tqfp_sml.jpg)
ATMEGA323-8AI
Manufacturer Part Number
ATMEGA323-8AI
Description
IC AVR MCU 32K 8MHZ IND 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA323L-4PC.pdf
(247 pages)
Specifications of ATMEGA323-8AI
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
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)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
ATMEGA3238AI
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Register Summary
1457G–AVR–09/03
Address
$3D ($5D)
$3C ($5C)
$2D ($4D)
$2C ($4C)
$1D ($3D)
$1C ($3C)
$0D ($2D)
$0C ($2C)
$3E ($5E)
$3B ($5B)
$3A ($5A)
$2E ($4E)
$2B ($4B)
$2A ($4A)
$1E ($3E)
$1B ($3B)
$1A ($3A)
$0E ($2E)
$0B ($2B)
$0A ($2A)
$3F ($5F)
$39 ($59)
$38 ($58)
$37 ($57)
$36 ($56)
$35 ($55)
$34 ($54)
$33 ($53)
$32 ($52)
$31 ($51)
$30 ($50)
$2F ($4F)
$29 ($49)
$28 ($48)
$27 ($47)
$26 ($46)
$25 ($45)
$24 ($44)
$23 ($43)
$22 ($42)
$21 ($41)
$20 ($40)
$1F ($3F)
$19 ($39)
$18 ($38)
$17 ($37)
$16 ($36)
$15 ($35)
$14 ($34)
$13 ($33)
$12 ($32)
$11 ($31)
$10 ($30)
$0F ($2F)
$09 ($29)
$08 ($28)
$07 ($27)
$06 ($26)
$05 ($25)
$04 ($24)
$03 ($23)
$02 ($22)
MCUCSR
OCR1AH
OCR1BH
OSCCAL
TCCR1A
TCCR1B
OCR1AL
OCR1BL
TCNT1H
TCNT1L
Name
SPMCR
MCUCR
WDTCR
ADMUX
UBRRH
UCSRC
EEARH
PORTA
PORTB
PORTC
PORTD
UCSRA
UCSRB
UBRRL
ADCSR
TCCR0
TCNT0
TCCR2
TCNT2
EEARL
TIMSK
TWCR
OCRD
SFIOR
ICR1H
TWDR
TWAR
SREG
OCR0
ICR1L
OCR2
EEDR
EECR
DDRA
DDRB
DDRC
DDRD
SPDR
SPCR
ACSR
ADCH
ASSR
SPSR
ADCL
GICR
GIFR
PINA
PINB
PINC
PIND
TIFR
UDR
SPH
SPL
COM1A1
PORTC7
PORTD7
PORTA7
PORTB7
URSEL
URSEL
EEAR7
REFS1
TWINT
RXCIE
Bit 7
OCIE2
ICNC1
PINA7
PINB7
PINC7
PIND7
INTF1
OCF2
FOC0
FOC2
DDA7
DDB7
DDC7
DDD7
ADEN
TWA6
SPIF
SPIE
INT1
RXC
ACD
SP7
JTD
SE
–
–
–
–
–
–
–
I
COM1A0
PORTA6
PORTB6
PORTC6
PORTD6
UMSEL
EEAR6
REFS0
PWM0
PWM2
PINC6
PIND6
WCOL
TXCIE
Bit 6
INTF0
TOIE2
TWEA
ICES1
PINA6
PINB6
DDC6
DDD6
ACBG
ADSC
TWA5
TOV2
DDA6
DDB6
INT0
ISC2
SP6
ASB
SM2
SPE
TXC
T
–
–
–
–
–
–
–
COM1B1
PORTC5
PORTD5
PORTA5
PORTB5
TWSTA
COM01
COM21
EEAR5
ADLAR
TICIE1
UDRIE
Bit 5
INTF2
UPM1
PINA5
PINB5
PINC5
PIND5
DORD
UDRE
TWA4
DDA5
DDB5
DDC5
DDD5
ADFR
INT2
ICF1
ACO
SP5
SM1
Timer/Counter1 – Output Compare Register A High Byte
Timer/Counter1 – Output Compare Register B High Byte
Timer/Counter1 – Output Compare Register A Low Byte
Timer/Counter1 – Output Compare Register B Low Byte
H
–
–
–
–
–
–
–
–
–
–
–
Timer/Counter1 – Input Capture Register High Byte
Timer/Counter1 – Input Capture Register Low Byte
Timer/Counter1 – Counter Register High Byte
Timer/Counter1 – Counter Register Low Byte
Timer/Counter0 Output Compare Register
Timer/Counter2 Output Compare Register
Two-wire Serial Interface Data Register
USART Baud Rate Register Low Byte
Oscillator Calibration Register
ADC Data Register High Byte
ADC Data Register Low Byte
COM1B0
PORTC4
PORTD4
PORTA4
PORTB4
OCIE1A
WDTOE
TWSTO
COM00
COM20
OCF1A
EEAR4
Bit 4
PINA4
PINB4
PINC4
PIND4
MSTR
ASRE
UPM0
DDA4
DDB4
DDC4
DDD4
USART I/O Data Register
RXEN
MUX4
TWA3
JTRF
On-chip Debug Register
ADIF
SM0
EEPROM Data Register
SP4
Timer/Counter2 (8 Bits)
Timer/Counter0 (8 Bits)
ACI
FE
S
–
–
–
–
–
–
–
–
–
–
SPI Data Register
PORTA3
PORTB3
PORTC3
PORTD3
BLBSET
OCIE1B
OCF1B
FOC1A
TWWC
EEAR3
Bit 3
WDRF
ACME
EERIE
PINA3
PINB3
PINC3
PIND3
ISC11
USBS
DDA3
DDB3
DDC3
DDD3
CPOL
TXEN
MUX3
TWA2
SP11
CTC0
CTC1
CTC2
WDE
DOR
ACIE
ADIE
SP3
AS2
V
–
–
–
–
TCN2UB
PORTA2
PORTB2
PORTC2
PORTD2
PGWRT
EEMWE
FOC1B
UCSZ1
EEAR2
UCSZ2
ADPS2
TWEN
PINC2
PIND2
Bit 2
TOIE1
ISC10
BORF
WDP2
PINA2
PINB2
DDC2
DDD2
CPHA
MUX2
TWA1
TOV1
DDA2
DDB2
SP10
CS02
CS12
CS22
ACIC
PUD
SP2
PE
N
–
–
–
–
UBRR[11:8]
OCR2UB
PORTA1
PORTB1
PORTC1
PORTD1
PGERS
PWM11
EXTRF
UCSZ0
EEAR9
EEAR1
ADPS1
Bit 1
OCIE0
WDP1
EEWE
PINA1
PINB1
PINC1
PIND1
ACIS1
IVSEL
OCF0
ISC01
PSR2
DDA1
DDB1
DDC1
DDD1
SPR1
RXB8
MUX1
TWA0
CS01
CS11
CS21
SP9
SP1
U2X
Z
–
–
–
ATmega323(L)
TCR2UB
PORTA0
PORTB0
PORTC0
PORTD0
SPMEN
PWM10
TWGCE
UCPOL
PSR10
EEAR8
EEAR0
ADPS0
Bit 0
WDP0
PINA0
PINB0
PINC0
PIND0
MPCM
ACIS0
TOIE0
ISC00
PORF
EERE
DDC0
DDD0
SPI2X
MUX0
TOV0
TWIE
CS00
CS10
CS20
DDA0
DDB0
SPR0
TXB8
IVCE
SP8
SP0
C
–
page 183
page 104
page 161
page 137
page 137
page 137
page 139
page 139
page 139
page 146
page 146
page 146
page 151
page 151
page 151
page 125
page 132
page 133
page 134
page 106
page 107
page 134
page 21
page 22
page 22
page 47
page 33
page 34
page 36
page 36
page 37
page 30
page 47
page 49
page 41
page 45
page 56
page 57
page 58
page 58
page 59
page 59
page 59
page 59
page 60
page 60
page 47
page 49
page 49
page 52
page 64
page 98
page 97
page 66
page 66
page 66
page 67
page 73
page 72
page 71
page 94
page 94
page 96
page 98
Page
231
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