Atmel STK525, Руководство пользователя по оборудованию

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Using the STK525
STK525 Hardware User Guide 2-17
7608A–AVR–04/06
Figure 2-15 . Thermistor Schematic
2.6.4 Microphone
The STK525 provides an electret microphone associated with its required preamplifier
(See Figure 2-16), the interface is connected to ADC channel 2 of the AT90USBxxx
microcontroller.
-9 627,604 21 121,414 51 31,840 81 10,476
-8 590,613 22 115,608 52 30,580 82 10,128
-7 556,056 23 110,116 53 29,378 83 9,793
-6 523,757 24 104,919 54 28,229 84 9,471
-5 493,555 25 100,000 55 27,133 85 9,161
-4 465,300 26 95,342 56 26,085 86 8,863
-3 438,854 27 90,930 57 25,084 87 8,576
-2 414,089 28 86,750 58 24,126 88 8,300
-1 390,890 29 82,787 59 23,211 89 8,035
0 369,145 30 79,030 60 22,336 90 7,779
1 348,757 31 75,466 61 21,498 91 7,533
2 329,630 32 72,085 62 20,697 92 7,296
3 311,680 33 68,876 63 19,930 93 7,067
4 294,826 34 65,830 64 19,196 94 6,847
5 278,995 35 62,937 65 18,493 95 6,635
6 264,119 36 60,188 66 17,820 96 6,430
7 250,134 37 57,576 67 17,174 97 6,233
8 236,981 38 55,093 68 16,556 98 6,043
9 224,606 39 52,732 69 15,964 99 5,860
Temp.
(°C)
R
T
(K
Ω
)
Temp.
(°C)
R
T
(K
Ω
)
Temp.
(°C)
R
T
(K
Ω
)
Temp.
(°C)
R
T
(K
Ω
)
Temperature
Sensor
R18
CP1
R16
100k
PF
0
VCC