Datasheet
3
7707FS–AVR–11/10
AT90USB82/162
1. Pin Configurations
Figure 1-1. Pinout AT90USB82/162
Note: The large center pad underneath the QFN packages is made of metal and must be connected to
GND. It should be soldered or glued to the board to ensure good mechanical stability. If the center
pad is left unconnected, the package might loosen from the board.
.
UVCC
QFN32
(PCINT11) PC2
(OC.0B / INT0) PD0
VCC
XTAL1
(INT5) PD4
(TXD1 / INT3) PD3
(XCK / PCINT12) PD5
PB3 (PDO / MISO / PCINT3)
GND
(PC0) XTAL2
UGND
PB4 (T1 / PCINT4)
28 27 26
1
2
3
4
5
6
7
24
23
22
21
20
19
18
1211109131415
(AIN0 / INT1) PD1
8
16
17
PB6 (PCINT6)
D- / SDATA
D+ / SCK
2529303132
PB7 (PCINT7 / OC.0A / OC.1C)
PB5 (PCINT5)
PC7 (INT4 / ICP1 / CLKO)
PC6 (OC.1A / PCINT8)
Reset
(PC1 / dW)
PC5 ( PCINT9/ OC.1B)
PC4 (PCINT10)
UCAP
(RXD1 / AIN1 / INT2) PD2
(RTS / INT6) PD6
(CTS
/ HWB / T0 / INT7) PD7
(SS
/ PCINT0) PB0
(SCLK / PCINT1) PB1
(PDI / MOSI / PCINT2) PB2
AVCC
UVCC
TQFP32
(PCINT11) PC2
(OC.0B / INT0) PD0
VCC
XTAL1
(INT5) PD4
(TXD1 / INT3) PD3
(XCK / PCINT12) PD5
PB3 (PDO / MISO / PCINT3)
GND
(PC0) XTAL2
UGND
PB4 (T1 / PCINT4)
28 27 26
1
2
3
4
5
6
7
24
23
22
21
20
19
18
1211109131415
(AIN0 / INT1) PD1
8
16
17
PB6 (PCINT6)
D- / SDATA
D+ / SCK
2529303132
PB7 (PCINT7 / OC.0A / OC.1C)
PB5 (PCINT5)
PC7 (INT4 / ICP1 / CLKO)
PC6 (OC.1A / PCINT8)
Reset
(PC1 / dW)
PC5 ( PCINT9/ OC.1B)
PC4 (PCINT10)
UCAP
(RXD1 / AIN1 / INT2) PD2
(RTS / INT6) PD6
(CTS
/ HWB / T0 / INT7) PD7
(SS
/ PCINT0) PB0
(SCLK / PCINT1) PB1
(PDI / MOSI / PCINT2) PB2
AVCC