Dobrica Pavlinušić's random unstructured stuff
Synaptics touchpad: Revision 6


chip pinout

     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

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  

N32N LS-734

Additional U shaped board from Compaq laptop with buttons on it

JP4 - to synaptics touch pad
JP1 - to motherboard

1 red 5V
2 green 5V
3 yellow switch SW5
4 blue LED D1
5 gray GND
6 pink DATA
7 cyan CLK
8 purple GND

Connecting to PS2 port demo: https://youtu.be/78CuKT-gVV4

T1006 920-000489-01RevA

HP laptop

connector pinout

1 5V T20, T22 (after R470)
2 DATA T11
3 CLK T10
4 GND T23, T30
5    
6   PIN4
7    
8   PIN5

test points:

T20 - 5V - R470 - T22
T23, T30 - GND
T11 - data
T10 - clk
T7 - left
T6 - right
T4 - up
T5 - down

T1006 920-000565-01RevA

t61p, has flex cable for connector

JP1

1    
2 GND  
3    
4 GND  
5    
6    
7 GND  
8 5V T22 - R470 - T20 - pin 44
9    
10 CLK T11, pin 3
11 DATA T10, pin 2
12 GND  
13