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ATMEGA1281-16AU Datasheet(PDF) 4 Page - ATMEL Corporation

Part No. ATMEGA1281-16AU
Description  8-bit Microcontroller with 64K/128K/256K Bytes In-System Programmable Flash
Download  37 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATMEGA1281-16AU Datasheet(HTML) 4 Page - ATMEL Corporation

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4
2549LS–AVR–08/07
ATmega640/1280/1281/2560/2561
Figure 1-3.
Pinout ATmega1281/2561
Note:
The large center pad underneath the QFN/MLF package is made of metal and internally con-
nected 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.
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 val-
ues will be available after the device is characterized.
ATmega1281/2561
(RXD0/PCINT8/PDI) PE0
(TXD0/PDO) PE1
(XCK0/AIN0) PE2
(OC3A/AIN1) PE3
(OC3B/INT4) PE4
(OC3C/INT5) PE5
(T3/INT6) PE6
(ICP3/CLKO/INT7) PE7
(SS/PCINT0) PB0
(OC0B) PG5
(SCK/ PCINT1) PB1
(MOSI/ PCINT2) PB2
(MISO/ PCINT3) PB3
(OC2A/ PCINT4) PB4
(OC1A/PCINT5) PB5
(OC1B/PCINT6) PB6
PA3 (AD3)
PA4 (AD4)
PA5 (AD5)
PA6 (AD6)
PA7 (AD7)
PG2 (ALE)
PC7 (A15)
PC6 (A14)
PC5 (A13)
PC4 (A12)
PC3 (A11)
PC2 (A10)
PC1 (A9)
PC0 (A8)
PG1 (RD)
PG0 (WR)
INDEX CORNER
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