iW-80186EC Processor Core

iW-80186EC processor is a 16-bit high integration embedded processor. The design along with multiple peripherals can be fit into single FPGA.

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Features:

• iW-80186 EC Core
  

  • Multiplexed 20-bit address and 16-bit data bus
  • Direct addressing for address upto 1Mbyte & I/O upto 64Kbyte
  • Non Maskable interrupt support
  • Arithmetic Logic unit (ALU)
• 80186EC Embedded Peripherals
• Two 8259A compatible programmable interrupt controller (PICU)
  
• 3 channel timer/counter unit (TCU)
  
• 2 channel serial communication unit (SCU)
  
• 4 channel direct memory access unit (DMAU)
• 10 output chip select unit (CSU)
• 32-bit programmable watch dog timer unit (WDTU)
• 22 I/O port unit (IOPU)
Input Clock Divide by 2 Counter
• Divide by 2 counter drives internal clock & external CLKOUT signal
• CLKOUT is 50% duty cycle