Dobrica Pavlinušić's random unstructured stuff
Synaptics touchpad: Revision 3
{toc}

* http://sparktronics.blogspot.de/2008/05/synaptics-t1004-based-touchpad-to-ps2.html
* http://www.plastibots.com/index.php/2011/03/23/dual-led-desk-light-controller-arduino/

^ chip pinout

.pre
9-scroll down~
8-scroll up~
7-left click~
6-right click~
5-
4-
3-clk
2-data
1-
o <- dot on chip
44444
45678
|||||
||
|+-GND
+5V
.pre

^ T1004 920-000191-03RevA

connector pinout

| 1 | 5V | T20, T22 |
| 2 | DATA ||
| 3 | CLK ||
| 4 | RIGHT CLICK | T4 |
| 5 | LEFT CLICK | T6 |
| 6 | GND | T11, T10 |
| 7 | SCROLL UP | T5 |
| 8 | SCROLL DOWN | |

^ T1006 920-000489-01RevA

connector pinout

| 1 | 5V | T20, T22 (after R470) |
| 2 | DATA | T11 |
| 3 | CLK | T10 |
| 4 | GND | T23, T30 |
| 5 |||
| 6 |||
| 7 |||
| 8 |||