Mandatory –  

1. Protocol Hardware design - SPI,I2C,
   USB, 232 or 485  
2. Microprocessors  
3. high speed interfaces  
4. circuit simulators and analysis tools – Mentor
   Graphics, SPICE / PSPICE / HSPICE  
5. Exposure to High speed interfaces, Signal
   Integrity, termination concepts  

Excellent skills at
Electronic Systems design, Electronics Troubleshooting, Electronic Testing  
Sound knowledge about high speed microprocessors, architectural circuit design
and different micro-controller circuit designs  
Strong analog and digital circuit knowledge, circuit simulations   
Experience in power over line communications and faults detections  
Estimating hardware design tasks, identifying risks, and planning development  
Proficient at creating, interpreting and reviewing electrical schematics  
Strong knowledge in SPI,I2C, USB, 232/485 Serial and Ethernet interface designs ...