atferrari Well-Known Member Most Helpful Member Jun 15, 2013 #1 There is no datasheet to be found in the Web for the ATL A2188, used in PS/2 optical mice. I managed to identify all but pin 3 which seems not used in actual circuits (at least in those that I could check). For anyone interested in the future, here is the pinout. Attachments ATL A2188 pinout.png 100.7 KB · Views: 1,498
There is no datasheet to be found in the Web for the ATL A2188, used in PS/2 optical mice. I managed to identify all but pin 3 which seems not used in actual circuits (at least in those that I could check). For anyone interested in the future, here is the pinout.