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ATMEGA8U2 Datasheet(PDF) 9 Page - ATMEL Corporation

No. de pieza ATMEGA8U2
Descripción Electrónicos  8-bit Microcontroller with 8/16/32K Bytes of ISP Flash and USB Controller
Download  21 Pages
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Fabricante Electrónico  ATMEL [ATMEL Corporation]
Página de inicio  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATMEGA8U2 Datasheet(HTML) 9 Page - ATMEL Corporation

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9
7799CS–AVR–12/09
ATmega8U2/16U2/32U2
(0x7C)
Reserved
-
-
-
-
-
-
-
-
(0x7B)
Reserved
-
-
-
-
-
-
-
-
(0x7A)
Reserved
-
-
-
-
-
-
-
-
(0x79)
Reserved
-
-
-
-
-
-
-
-
(0x78)
Reserved
-
-
-
-
-
-
-
-
(0x77)
Reserved
-
-
-
-
-
-
-
-
(0x76)
Reserved
-
-
-
-
-
-
-
-
(0x75)
Reserved
-
-
-
-
-
-
-
-
(0x74)
Reserved
-
-
-
-
-
-
-
-
(0x73)
Reserved
-
-
-
-
-
-
-
-
(0x72)
Reserved
-
-
-
-
-
-
-
-
(0x71)
Reserved
-
-
-
-
-
-
-
-
(0x70)
Reserved
-
-
-
-
-
-
-
-
(0x6F)
TIMSK1
-
-ICIE1
-
OCIE1C
OCIE1B
OCIE1A
TOIE1
page 135
(0x6E)
TIMSK0
-
-
-
-
-
OCIE0B
OCIE0A
TOIE0
page 106
(0x6D)
Reserved
-
-
-
-
-
-
-
-
(0x6C)
PCMSK1
-
-
-
PCINT12
PCINT11
PCINT10
PCINT9
PCINT8
page 87
(0x6B)
PCMSK0
PCINT7
PCINT6
PCINT5
PCINT4
PCINT3
PCINT2
PCINT1
PCINT0
page 87
(0x6A)
EICRB
ISC71
ISC70
ISC61
ISC60
ISC51
ISC50
ISC41
ISC40
page 85
(0x69)
EICRA
ISC31
ISC30
ISC21
ISC20
ISC11
ISC10
ISC01
ISC00
page 84
(0x68)
PCICR
-
-
-
-
-
-PCIE1
PCIE0
page 86
(0x67)
Reserved
-
-
-
-
-
-
-
-
(0x66)
OSCCAL
Oscillator Calibration Register
page 38
(0x65)
PRR1
PRUSB
-
-
-
-
-
-
PRUSART1
page 46
(0x64)
PRR0
-
-PRTIM0
-PRTIM1
PRSPI
-
-
page 46
(0x63)
REGCR
-
-
-
-
-
-
-REGDIS
page 196
(0x62)
WDTCKD
-
-
WDEWIFCM
WCLKD2
WDEWIF
WDEWIE
WCLKD1
WCLKD0
page 57
(0x61)
CLKPR
CLKPCE
-
-
-
CLKPS3
CLKPS2
CLKPS1
CLKPS0
page 39
(0x60)
WDTCSR
WDIF
WDIE
WDP3
WDCE
WDE
WDP2
WDP1
WDP0
page 56
0x3F (0x5F)
SREG
I
T
H
S
V
N
Z
C
page 9
0x3E (0x5E)
SPH
SP15
SP14
SP13
SP12
SP11
SP10
SP9
SP8
page 12
0x3D (0x5D)
SPL
SP7
SP6
SP5
SP4
SP3
SP2
SP1
SP0
page 12
0x3C (0x5C)
Reserved
-
-
-
-
-
-
-
-
0x3B (0x5B)
Reserved
-
-
-
-
-
-
-
-
0x3A (0x5A)
Reserved
-
-
-
-
-
-
-
-
0x39 (0x59)
Reserved
-
-
-
-
-
-
-
-
0x38 (0x58)
Reserved
-
-
-
-
-
-
-
-
0x37 (0x57)
SPMCSR
SPMIE
RWWSB
SIGRD
RWWSRE
BLBSET
PGWRT
PGERS
SPMEN
page 242
0x36 (0x56)
Reserved
-
-
-
-
-
-
-
-
0x35 (0x55)
MCUCR
-
-
-
-
-
-
IVSEL
IVCE
page 65, 82
0x34 (0x54)
MCUSR
-
-
USBRF
-
WDRF
BORF
EXTRF
PORF
page 55
0x33 (0x53)
SMCR
-
-
-
-
SM2
SM1
SM0
SE
page 45
0x32 (0x52)
Reserved
-
-
-
-
-
-
-
-
0x31 (0x51)
DWDR
debugWIRE Data Register
page 245
0x30 (0x50)
ACSR
ACD
ACBG
ACO
ACI
ACIE
ACIC
ACIS1
ACIS0
page 224
0x2F (0x4F)
Reserved
-
-
-
-
-
-
-
-
0x2E (0x4E)
SPDR
SPI Data Register
page 147
0x2D (0x4D)
SPSR
SPIF
WCOL
-
-
-
-
-
SPI2X
page 146
0x2C (0x4C)
SPCR
SPIE
SPE
DORD
MSTR
CPOL
CPHA
SPR1
SPR0
page 145
0x2B (0x4B)
GPIOR2
General Purpose I/O Register 2
page 24
0x2A (0x4A)
GPIOR1
General Purpose I/O Register 1
page 24
0x29 (0x49)
PLLCSR
-
-
-
PLLP2
PLLP1
PLLP0
PLLE
PLOCK
page 40
0x28 (0x48)
OCR0B
Timer/Counter0 Output Compare Register B
page 106
0x27 (0x47)
OCR0A
Timer/Counter0 Output Compare Register A
page 106
0x26 (0x46)
TCNT0
Timer/Counter0 (8 Bit)
page 106
0x25 (0x45)
TCCR0B
FOC0A
FOC0B
-
-
WGM02
CS02
CS01
CS00
page 105
0x24 (0x44)
TCCR0A
COM0A1
COM0A0
COM0B1
COM0B0
-
-WGM01
WGM00
page 105
0x23 (0x43)
GTCCR
TSM
-
-
-
-
-
PSRASY
PSRSYNC
page 89
0x22 (0x42)
EEARH
-
-
-
-
EEPROM Address Register High Byte
page 20
0x21 (0x41)
EEARL
EEPROM Address Register Low Byte
page 20
0x20 (0x40)
EEDR
EEPROM Data Register
page 20
0x1F (0x3F)
EECR
-
-
EEPM1
EEPM0
EERIE
EEMPE
EEPE
EERE
page 21
0x1E (0x3E)
GPIOR0
General Purpose I/O Register 0
page 25
0x1D (0x3D)
EIMSK
INT7
INT6
INT5
INT4
INT3
INT2
INT1
INT0
page 86
0x1C (0x3C)
EIFR
INTF7
INTF6
INTF5
INTF4
INTF3
INTF2
INTF1
INTF0
page 86
0x1B (0x3B)
PCIFR
-
-
-
-
-
-PCIF1
PCIF0
page 86
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Page


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