General Instrument Serial ROM for the SP0256

	       SPR016  		    Signal	Function
	       SPR032  		    =======	=================================================
	       SPR128  		    ROM_ENA#	Chip select to eliminate bus conflict at start-up
             __________		    SER_IN	Serial input used to load 16-bit address
           _|   \__/   |_	    SER_OUT	Serial output to shift out data byte
      VSS [_| 01    16 |_] C2	    CS1		Chip select; will tri-state serial out when low
           _|          |_	    CS2#	Chip select; will tri-state serial out when hi
       C3 [_| 02    15 |_] C1	    ROM_CLK	1.56Mhz clock input from SPO256 Speech Processor
           _|          |_	    VSS		Ground pin
       NC [_| 03    14 |_] SER_IN   C1		Control state pin Nxx, most significant bit
           _|          |_	    C2		Control state pin xNx. 
  ROM_CLK [_| 04    13 |_] NC	    C3		Control state pin xxN, least significant bit
           _|          |_	    VDD		Positive suppy pin (+4.6V to +7.0V)
       NC [_| 05    12 |_] NC	    
           _|          |_	    
       NC [_| 06    11 |_] VDD			PART #		Rom Size and Description
           _|          |_			======		==================================
      CS1 [_| 07    10 |_] SER_OUT  		SPR016		 2K bytes, serial read only memory
           _|          |_			SPR032		 4K bytes, serial read only memory
     CS2# [_| 08    09 |_] ROM_ENA#		SPR128		16K bytes, serial read only memory
            |__________|