This is schematic and Gerber files of PCB that is used for GPS tracking device with GSM LINK. Scheme has many valuable schematic features, like protected digital and analog I/Os, power part adapted for car power supply, etc.
Can be used as a reference design for anyone who wants to make own GPS GSM tracking system based on SIM508 module from Simcom.
FEATURES
• 16 bit PIPE Spec PCI Express Testbench
• LINK training
• Initial Flow Control
• Packet Classes for easy to build PHY,DLLP and TLP packets
• DLLP 16 bit CRC and TLP LCRC generation
• Sequence Number generation and checking
• ACK TLP packets
• Scrambling
• MemRd MemWr CfgRd CfgWr TLPs
