FPGA Version Registers

These four I/O mapped registers provide identification of the FPGA program.

	Port 0x44 (R/O):
	    Bits 7:0 - Product identifier (MIRE = 0x03)
	
	Port 0x45: (R/O):
	    Bits 7:4 - PCB major revision number
	    Bits 3:0 - PCB minor revision number
	    
	Ports 0x46-0x47 (R/O):
	    Bits 15:9 - Firmware year - 2000
	    Bits  8:5 - Firmware month 1-12
	    Bits  4:0 - Firmware day of month 1-31

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