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(Datasheet) ATMEGA1281

8-BIT Microcontroller

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ATMEGA1281 pdf
1. Pin Configurations
Figure 1-1. TQFP-pinout ATmega640/1280/2560
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
(OC0B) PG5 1
(RXD0/PCINT8) PE0 2
(TXD0) PE1 3
(XCK0/AIN0) PE2 4
(OC3A/AIN1) PE3 5
(OC3B/INT4) PE4 6
(OC3C/INT5) PE5 7
(T3/INT6) PE6 8
(CLKO/ICP3/INT7) PE7 9
VCC 10
GND 11
(RXD2) PH0 12
(TXD2) PH1 13
(XCK2) PH2 14
(OC4A) PH3 15
(OC4B) PH4 16
(OC4C) PH5 17
(OC2B) PH6 18
(SS/PCINT0) PB0 19
(SCK/PCINT1) PB1 20
(MOSI/PCINT2) PB2 21
(MISO/PCINT3) PB3 22
(OC2A/PCINT4) PB4 23
(OC1A/PCINT5) PB5 24
(OC1B/PCINT6) PB6 25
INDEX CORNER
75 PA3 (AD3)
74 PA4 (AD4)
73 PA5 (AD5)
72 PA6 (AD6)
71 PA7 (AD7)
70 PG2 (ALE)
69 PJ6 (PCINT15)
68 PJ5 (PCINT14)
67 PJ4 (PCINT13)
66 PJ3 (PCINT12)
65 PJ2 (XCK3/PCINT11)
64 PJ1 (TXD3/PCINT10)
63 PJ0 (RXD3/PCINT9)
62 GND
61 VCC
60 PC7 (A15)
59 PC6 (A14)
58 PC5 (A13)
57 PC4 (A12)
56 PC3 (A11)
55 PC2 (A10)
54 PC1 (A9)
53 PC0 (A8)
52 PG1 (RD)
51 PG0 (WR)
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
ATmega640/V-1280/V-1281/V-2560/V-2561/V [DATASHEET]
2549Q–AVR–02/2014
2
ATMEL Corporation
ATMEL Corporation


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