Datasheet

289
ATmega640/1280/1281/2560/2561
2549K–AVR–01/07
Figure 121. ADC Power Connections, ATmega1281/2561.
Figure 122. ADC Power Connections, ATmega640/1280/2560
VCC
GND
100nF
Ground Plane
(ADC0) PF0
(ADC7) PF7
(ADC1) PF1
(ADC2) PF2
(ADC3) PF3
(ADC4) PF4
(ADC5) PF5
(ADC6) PF6
AREF
GND
AVCC
52
53
54
55
56
57
58
59
60
6161
6262
6363
6464
1
51
PG5
PA0
10υΗ
100nF
Ground Plane
100
(OC0B) PG5
10
υΗ
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
PJ7
VCC
GND
(ADC15/PCINT23) PK7
(ADC14/PCINT22) PK6
(ADC13/PCINT21) PK5
(ADC12/PCINT20) PK4
(ADC11/PCINT19) PK3
(ADC10/PCINT18) PK2
(ADC9/PCINT17) PK1
(ADC8/PCINT16) PK0
(ADC7/TDI) PF7
(ADC6/TDO) PF6
(ADC5/TMS) PF5
(ADC4/TCK) PF4
(ADC3) PF3
(ADC2) PF2
(ADC1) PF1
(ADC0) PF0
AREF
GND
AVCC