PUGAUGE - Low Power Display Processor

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