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ATMEGA1281V-8MUR 用户编程技术手册 - Microchip（微芯）
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Microchip（微芯）
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微控制器
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ATMEGA1281V-8MUR数据手册
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ATmega640/V-1280/V-1281/V-2560/V-2561/V [SUMMARY]
2549QS–AVR–02/2014
1. Pin Configurations
Figure 1-1. TQFP-pinout ATmega640/1280/2560
GND
VCC
PA0 (AD0)
PA1 (AD1)
PA2 (AD2)
PA3 (AD3)
PA4 (AD4)
PA5 (AD5)
PA6 (AD6)
PA7 (AD7)
PG2 (ALE)
AVCC
GND
AREF
PF0 (ADC0)
PF1 (ADC1)
PF2 (ADC2)
PF3 (ADC3)
PF4 (ADC4/TCK)
PF5 (ADC5/TMS)
PF6 (ADC6/TDO)
PF7 (ADC7/TDI)
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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
26 28 29 3127 3630 32 35 3733 34 38 39 40 41 42 43 44 45 46 47 48 49 50
PK0 (ADC8/PCINT16)
PK1 (ADC9/PCINT17)
PK2 (ADC10/PCINT18)
PK3 (ADC11/PCINT19)
PK4 (ADC12/PCINT20)
PK5 (ADC13/PCINT21)
PK6 (ADC14/PCINT22)
PK7 (ADC15/PCINT23)
(OC2B) PH6
(TOSC2) PG3
(TOSC1) PG4
RESET
(T4) PH7
(ICP4) PL0
VCC
GND
XTAL2
XTAL1
PL6
PL7
GND
VCC
(OC0B) PG5
VCC
GND
(RXD2) PH0
(TXD2) PH1
(XCK2) PH2
(OC4A) PH3
(OC4B) PH4
(OC4C) PH5
(RXD0/PCINT8) PE0
(TXD0) PE1
(XCK0/AIN0) PE2
(OC3A/AIN1) PE3
(OC3B/INT4) PE4
(OC3C/INT5) PE5
(T3/INT6) PE6
(CLKO/ICP3/INT7) PE7
(SS/PCINT0) PB0
(SCK/PCINT1) PB1
(MOSI/PCINT2) PB2
(MISO/PCINT3) PB3
(OC2A/PCINT4) PB4
(OC1A/PCINT5) PB5
(OC1B/PCINT6) PB6
(OC0A/OC1C/PCINT7) PB7
PC7 (A15)
PC6 (A14)
PC5 (A13)
PC4 (A12)
PC3 (A11)
PC2 (A10)
PC1 (A9)
PC0 (A8)
PG1 (RD)
PG0 (WR)
(TXD1/INT3) PD3
(ICP1) PD4
(XCK1) PD5
(T1) PD6
(T0) PD7
(SCL/INT0) PD0
(SDA/INT1) PD1
(RXD1/INT2) PD2
(ICP5) PL1
(T5) PL2
(OC5A) PL3
(OC5B) PL4
PJ6 (PCINT15)
PJ5 (PCINT14)
PJ4 (PCINT13)
PJ3 (PCINT12)
PJ2 (XCK3/PCINT11)
PJ1 (TXD3/PCINT10)
PJ0 (RXD3/PCINT9)
PJ7
(OC5C) PL5
INDEX CORNER
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