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ATMEGA3208 Datasheet(PDF) 8 Page - Microchip Technology

Part # ATMEGA3208
Description  megaAVR® 0-series
PDF  68 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

ATMEGA3208 Datasheet(HTML) 8 Page - Microchip Technology

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4.
I/O Multiplexing and Considerations
4.1
Multiplexed Signals
QFN32/
TQFP32
Pin name (1,2)
Special
ADC0
AC0
USARTn
SPI0
TWI0
TCA0
TCBn
Other
CCL-LUTn
30
PA0
EXTCLK
0,TxD
0-WO0
0-IN0
31
PA1
0,RxD
0-WO1
0-IN1
32
PA2
TWI
0,XCK
SDA(MS)
0-WO2
0-WO
EVOUTA
0-IN2
1
PA3
TWI
0,XDIR
SCL(MS)
0-WO3
1-WO
0-OUT
2
PA4
0,TxD(3)
MOSI
0-WO4
3
PA5
0,RxD(3)
MISO
0-WO5
4
PA6
0,XCK(3)
SCK
0-OUT(3)
5
PA7
CLKOUT
OUT
0,XDIR(3)
SS
EVOUTA(3)
6
PC0
1,TxD
MOSI(3)
0-WO0(3)
2-WO
1-IN0
7
PC1
1,RxD
MISO(3)
0-WO1(3)
3-WO(3)
1-IN1
8
PC2
TWI
1,XCK
SCK(3)
SDA(MS)(3)
0-WO2(3)
EVOUTC
1-IN2
9
PC3
TWI
1,XDIR
SS(3)
SCL(MS)(3)
0-WO3(3)
1-OUT
10
PD0
AIN0
0-WO0(3)
2-IN0
11
PD1
AIN1
P3
0-WO1(3)
2-IN1
12
PD2
AIN2
P0
0-WO2(3)
EVOUTD
2-IN2
13
PD3
AIN3
N0
0-WO3(3)
2-OUT
14
PD4
AIN4
P1
0-WO4(3)
15
PD5
AIN5
N1
0-WO5(3)
16
PD6
AIN6
P2
2-OUT(3)
17
PD7
VREFA
AIN7
N2
EVOUTD(3)
18
AVDD
19
GND
20
PF0
TOSC1
2,TxD
0-WO0(3)
3-IN0
21
PF1
TOSC2
2,RxD
0-WO1(3)
3-IN1
22
PF2
TWI
AIN12
2,XCK
SDA(S)(3)
0-WO2(3)
EVOUTF
3-IN2
23
PF3
TWI
AIN13
2,XDIR
SCL(S)(3)
0-WO3(3)
3-OUT
24
PF4
AIN14
2,TxD(3)
0-WO4(3)
0-WO(3)
25
PF5
AIN15
2,RxD(3)
0-WO5(3)
1-WO(3)
26
PF6
RESET
2,XCK(3)
3-OUT(3)
27
UPDI
28
VDD
29
GND
Note: 
1.
Pin names are of type Pxn, with x being the PORT instance (A,B,C, ...) and n the pin number.
Notation for signals is PORTx_PINn. All pins can be used as event input.
2.
All pins can be used for external interrupt, where pins Px2 and Px6 of each port have full
asynchronous detection.
3.
Alternate pin positions. For selecting the alternate positions, refer to the PORTMUX documentation.
ATmega3208/4808 – 32-pin Data Sheet
I/O Multiplexing and Considerations
© 2018 Microchip Technology Inc.
Datasheet Preliminary
DS40002017A-page 8



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