PUGAUGE - Low Power Display Processor

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Hardware

  • 8-Character Segmented LCD 14-segment Display
  • Atmel AVR ATmega6490A AVR microcontroller

Build notes

TQFP-100 Breakout board

When soldering the AVR6490 Chip in the TQFP-100 case to it's breakout board, I made an error:

I turned it 90 degrees to the right. Therefore Pin 1 of the chip appears at Pin 76 of the breakout board

This table provides a correction lookup:


Pin of TQFP-100 !! ATmega6490A !! Pin of breakout board !! Pin of TQFP-100 ATmega6490A !! Pin of breakout board
1 76 51 26
2 77 52 27
3 78 53 28
4 79 54 29
5 80 55 30
6 81 56 31
7 82 57 32
8 83 58 33
9 84 59 34
10 85 60 35
11 86 61 36
12 87 62 37
13 88 63 38
14 89 64 39
15 90 65 40
16 91 66 41
17 92 67 42
18 93 68 43
19 94 69 44
20 95 70 45
21 96 71 46
22 97 72 47
23 98 73 48
24 99 74 49
25 100 75 50
26 1 76 51
27 2 77 52
28 3 78 53
29 4 79 54
30 5 80 55
31 6 81 56
32 7 82 57
33 8 83 58
34 9 84 59
35 10 85 60
36 11 86 61
37 12 87 62
38 13 88 63
39 14 89 64
40 15 90 65
41 16 91 66
42 17 92 67
43 18 93 68
44 19 94 69
45 20 95 70
46 21 96 71
47 22 97 72
48 23 98 73
49 24 99 74
50 25 100 75