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ATMEGA8U2 Datasheet(PDF) 2 Page - ATMEL Corporation

Part # ATMEGA8U2
Description  8-bit Microcontroller with 8/16/32K Bytes of ISP Flash and USB Controller
PDF  314 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATMEGA8U2 Datasheet(HTML) 2 Page - ATMEL Corporation

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2
7799B–AVR–07/09
ATmega8U2/16U2/32U2
1.
Pin Configurations
Figure 1-1.
Pinout ATmega8U2/16U2/32U2
Note:
The large center pad underneath the VQFP and QFN package should be soldered to ground on
the board to ensure good mechanical stability.
1.1
Disclaimer
Typical values contained in this datasheet are based on simulations and characterization of
other AVR microcontrollers manufactured on the same process technology. Min and Max values
will be available after the device is characterized.
QFN32
(PCINT11 / AIN2 ) PC2
(OC.0B / INT0) PD0
VCC
XTAL1
PB3 (PDO / MISO / PCINT3)
GND
(PC0) XTAL2
PB4 (T1 / PCINT4)
28 27 26
1
2
3
4
5
6
7
24
23
22
21
20
19
18
12
11
10
913 14 15
(AIN0 / INT1) PD1
8
16
17
PB6 (PCINT6)
25
29
30
31
32
PB7 (PCINT7 / OC.0A / OC.1C)
PB5 (PCINT5)
PC7 (INT4 / ICP1 / CLKO)
PC6 (OC.1A / PCINT8)
Reset (PC1 / dW)
(RXD1 / AIN1 / INT2) PD2
VQFP32
(PCINT11 /AIN2 ) PC2
(OC.0B / INT0) PD0
VCC
XTAL1
PB3 (PDO / MISO / PCINT3)
GND
(PC0) XTAL2
PB4 (T1 / PCINT4)
28 27 26
1
2
3
4
5
6
7
24
23
22
21
20
19
18
12
11
10
913 14 15
(AIN0 / INT1) PD1
8
16
17
PB6 (PCINT6)
25
29
30
31
32
PB7 (PCINT7 / OC.0A / OC.1C)
PB5 (PCINT5)
PC7 (INT4 / ICP1 / CLKO)
PC6 (OC.1A / PCINT8)
Reset (PC1 / dW)
(RXD1 / AIN1 / INT2) PD2



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