ATMEGA8U2-MU Atmel, ATMEGA8U2-MU Datasheet - Page 9
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ATMEGA8U2-MU
Manufacturer Part Number
ATMEGA8U2-MU
Description
MCU AVR 8K FLASH USB 32-VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA8U2-MU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Processor Series
ATMEGA8x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
SPI, UART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
22
Number Of Timers
2
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, AT90USBKEY, ATEVK525
Minimum Operating Temperature
- 40 C
Package
32QFN EP
Device Core
AVR
Family Name
ATmega
Maximum Speed
16 MHz
Operating Supply Voltage
3.3|5 V
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Lead Free Status / Rohs Status
Details
7799DS–AVR–11/10
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)
0x1B (0x3B)
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)
(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
Reserved
Reserved
WDTCKD
WDTCSR
Reserved
Reserved
Reserved
Reserved
Reserved
SPMCSR
Reserved
Reserved
Reserved
PCMSK1
PCMSK0
OSCCAL
PLLCSR
TCCR0B
TCCR0A
Name
TIMSK1
TIMSK0
REGCR
MCUCR
MCUSR
GPIOR2
GPIOR1
GPIOR0
OCR0B
OCR0A
GTCCR
EEARH
CLKPR
TCNT0
EEARL
EICRB
EICRA
PCICR
DWDR
EIMSK
SREG
SMCR
PCIFR
PRR1
PRR0
ACSR
SPDR
SPSR
SPCR
EEDR
EECR
EIFR
SPH
SPL
CLKPCE
COM0A1
PCINT7
PRUSB
FOC0A
SPMIE
Bit 7
ISC71
ISC31
INTF7
WDIF
SP15
SPIF
SPIE
ACD
TSM
INT7
SP7
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
I
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
COM0A0
RWWSB
PCINT6
FOC0B
WCOL
Bit 6
ISC70
ISC30
ACBG
INTF6
WDIE
SP14
SPE
INT6
SP6
T
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
WDEWIFCM
COM0B1
PCINT5
PRTIM0
USBRF
EEPM1
SIGRD
DORD
Bit 5
ISC61
ISC21
WDP3
INTF5
ICIE1
SP13
ACO
INT5
SP5
H
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Timer/Counter0 Output Compare Register B
Timer/Counter0 Output Compare Register A
EEPROM Address Register Low Byte
General Purpose I/O Register 2
General Purpose I/O Register 1
General Purpose I/O Register 0
Oscillator Calibration Register
RWWSRE
PCINT12
WCLKD2
COM0B0
PCINT4
debugWIRE Data Register
EEPM0
Bit 4
WDCE
PLLP2
ISC60
ISC20
MSTR
INTF4
SP12
EEPROM Data Register
INT4
SP4
ACI
Timer/Counter0 (8 Bit)
S
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
SPI Data Register
PCINT11
WDEWIF
OCIE1C
PRTIM1
CLKPS3
BLBSET
WGM02
PCINT3
Bit 3
WDRF
PLLP1
EERIE
ISC51
ISC11
CPOL
INTF3
WDE
SP11
ACIE
INT3
SM2
SP3
V
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
EEPROM Address Register High Byte
PCINT10
WDEWIE
OCIE1B
CLKPS2
PGWRT
OCIE0B
PCINT2
EEMPE
ATmega8U2/16U2/32U2
Bit 2
PRSPI
WDP2
PLLP0
ISC50
ISC10
BORF
CPHA
INTF2
CS02
SP10
ACIC
INT2
SP2
SM1
N
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
WCLKD1
PSRASY
CLKPS1
OCIE1A
OCIE0A
PCINT9
PCINT1
WGM01
PGERS
EXTRF
Bit 1
ISC41
ISC01
PCIE1
WDP1
IVSEL
ACIS1
INTF1
PCIF1
SPR1
EEPE
PLLE
CS01
INT1
SM0
SP9
SP1
Z
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PRUSART1
PSRSYNC
WCLKD0
REGDIS
CLKPS0
PCINT8
PCINT0
WGM00
SPMEN
PLOCK
Bit 0
TOIE1
TOIE0
ISC40
ISC00
PCIE0
WDP0
PORF
ACIS0
SPI2X
INTF0
PCIF0
SPR0
EERE
CS00
IVCE
INT0
SP8
SP0
SE
C
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
page
page 135
page 106
page 196
page 242
page 245
page 224
page 147
page 146
page 145
page 106
page 106
page 106
page 105
page 105
page 87
page 87
page 85
page 84
page 86
page 38
page 46
page 46
page 57
page 39
page 56
page 12
page 12
page 55
page 45
page 24
page 24
page 40
page 89
page 20
page 20
page 20
page 21
page 25
page 86
page 86
page 86
Page
page 9
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