STK1002/Hardware revisions
From AVRFreaks Wiki
This page lists changes between different hardware revisions of STK1000. Changes are listed under the respective PCB revision number. This number can be seen on the bottom right corner of the STK1000 Printed Circuit Board (PCB).
PCB Revision C
Two changes was made to STK1002 from revision B to revision C. The changes were:
- The USB connector was moved from STK1000 to STK1002. This was done to improve signal quality. The connection of the USB signals was also removed from the Mother board to daughter board connector.
- The PS2 protection circuit was introduced.
PCB Revision B
This was the first revision of STK1000 released to the public. This revision of STK1002 was shipped with STK1000 with serial numbers 1-200.
STK1002 delivered with STK1000 numbered 1-50
These boards had incorrect values for the PLL filters. This leads to an artifact when viewing pictures on a VGA monitor.
The correct values and the placement of these resistors and capacitors are listed on the page PLL filters