ATMEGA8L-8AUR Atmel, ATMEGA8L-8AUR Datasheet - Page 280

• Manufacturer Part Number: ATMEGA8L-8AUR
• Description: MCU AVR 8KB FLASH 8MHZ 32TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA8L-8AUR

• 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: 23
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Package: 32TQFP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 8 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 23
• Interface Type: SPI/TWI/USART
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Register Summary
280
0x20
0x3E (0x5E)
0x3D (0x5D)
0x3C (0x5C)
0x3B (0x5B)
0x3A (0x5A)
0x2E (0x4E)
0x2D (0x4D)
0x2C (0x4C)
0x2B (0x4B)
0x2A (0x4A)
0x1E (0x3E)
0x1D (0x3D)
0x1C (0x3C)
0x1B (0x3B)
0x1A (0x3A)
0x0E (0x2E)
0x0D (0x2D)
0x0C (0x2C)
0x0B (0x2B)
0x0A (0x2A)
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)
0x1F (0x3F)
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)
Address
(1)
(0x40)
(1)
ATmega8(L)
MCUCSR
Reserved
OCR1AH
OCR1BH
Reserved
Reserved
Reserved
ADCSRA
OSCCAL
TCCR1A
TCCR1B
TCNT1H
OCR1AL
OCR1BL
MCUCR
TCNT1L
WDTCR
SPMCR
UBRRH
UCSRC
ADMUX
TCCR0
TCCR2
EEARH
PORTB
PORTC
PORTD
UCSRA
UCSRB
UBRRL
Name
TCNT0
TCNT2
EEARL
TIMSK
TWCR
SFIOR
ICR1H
TWDR
TWAR
SREG
ICR1L
OCR2
ASSR
EEDR
EECR
DDRB
DDRC
DDRD
SPDR
SPSR
SPCR
ACSR
ADCH
GICR
ADCL
GIFR
PINB
PINC
PIND
TIFR
UDR
SPH
SPL
COM1A1
PORTB7
PORTD7
TWINT
URSEL
URSEL
EEAR7
REFS1
OCIE2
SPMIE
ICNC1
RXCIE
INTF1
PINB7
PIND7
ADEN
TWA6
OCF2
FOC2
DDB7
DDD7
Bit 7
INT1
SPIF
SPIE
RXC
ACD
SP7
SE
–
–
–
–
–
–
–
–
–
–
–
I
COM1A0
PORTC6
PORTD6
RWWSB
PORTB6
WGM20
UMSEL
EEAR6
REFS0
TOIE2
TWEA
ICES1
PINB6
PINC6
PIND6
WCOL
TXCIE
INTF0
DDB6
DDC6
DDD6
ACBG
ADSC
TWA5
Bit 6
TOV2
INT0
SM2
SP6
SPE
TXC
T
–
–
–
–
–
–
–
–
–
COM1B1
PORTB5
PORTC5
PORTD5
TWSTA
COM21
ADLAR
TICIE1
EEAR5
UDRIE
PINC5
PIND5
DORD
UPM1
PINB5
DDC5
DDD5
UDRE
ADFR
TWA4
Bit 5
DDB5
ICF1
ACO
SP5
SM1
Timer/Counter1 – Output Compare Register A High byte
Timer/Counter1 – Output Compare Register B High byte
H
Timer/Counter1 – Output Compare Register A Low byte
Timer/Counter1 – Output Compare Register B Low byte
–
–
–
–
–
–
–
–
–
–
–
–
–
–
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/Counter2 Output Compare Register
Two-wire Serial Interface Data Register
USART Baud Rate Register Low byte
RWWSRE
Oscillator Calibration Register
ADC Data Register High byte
ADC Data Register Low byte
COM1B0
PORTB4
PORTC4
PORTD4
OCIE1A
TWSTO
WGM13
OCF1A
COM20
EEAR4
WDCE
PINC4
PIND4
UPM0
PINB4
DDC4
DDD4
MSTR
RXEN
TWA3
Bit 4
DDB4
USART I/O Data Register
ADIF
SM0
Timer/Counter0 (8 Bits)
Timer/Counter2 (8 Bits)
EEPROM Data Register
SP4
ACI
FE
S
–
–
–
–
–
–
–
–
–
–
–
–
SPI Data Register
PORTB3
PORTC3
PORTD3
BLBSET
OCIE1B
WGM12
WGM21
OCF1B
TWWC
FOC1A
EEAR3
WDRF
EERIE
ISC11
ACME
PINB3
PINC3
PIND3
USBS
DDB3
DDC3
DDD3
CPOL
TXEN
MUX3
TWA2
Bit 3
WDE
DOR
ACIE
ADIE
SP3
AS2
V
–
–
–
–
–
–
PORTC2
PORTD2
TCN2UB
PORTB2
PGWRT
EEMWE
FOC1B
UCSZ1
EEAR2
UCSZ2
ADPS2
TOIE1
TWEN
WDP2
PINB2
PINC2
PIND2
ISC10
BORF
DDB2
DDC2
DDD2
CPHA
MUX2
TWA1
Bit 2
SP10
TOV1
CS02
CS12
CS22
ACIC
PUD
SP2
PE
N
–
–
–
–
UBRR[11:8]
OCR2UB
PORTB1
PORTC1
PORTD1
WGM11
PGERS
EXTRF
UCSZ0
EEAR1
ADPS1
PINC1
PIND1
IVSEL
ISC01
WDP1
EEWE
PINB1
ACIS1
MUX1
TWA0
PSR2
DDB1
DDC1
DDD1
SPR1
RXB8
Bit 1
CS01
CS11
CS21
U2X
SP9
SP1
Z
–
–
–
–
–
–
TCR2UB
PORTB0
PORTC0
PORTD0
WGM10
TWGCE
SPMEN
UCPOL
EEAR8
EEAR0
ADPS0
PSR10
MPCM
TOIE0
WDP0
PINB0
PINC0
PIND0
ACIS0
ISC00
PORF
EERE
DDB0
DDC0
DDD0
SPI2X
MUX0
Bit 0
TOV0
TWIE
CS00
CS10
CS20
SPR0
TXB8
IVCE
SP8
SP0
C
–
2486Z–AVR–02/11
58, 74, 120,
72, 100,
72, 101,
Page
49,
33,
206
165
100
100
114
116
116
117
152
150
127
126
125
148
148
149
152
186
199
200
201
201
167
167
11
13
13
67
41
71
72
31
96
98
99
99
99
99
99
99
43
20
20
20
20
65
65
65
65
65
65
65
65
65
67
66
119
119
186