There are a number of pin-name/pin-number mapping files for some
random devices here. The format is one which we use internally with our CAD tools. 

The basic format is a list of (pin-number pin-name) pairs. 

;;;* Last edited: Jun 30 13:19 1993 (hqm)
;; motor controller
(def-device "MPC1710A"
    (package soic 
	   (technology smd)
	   (symbol soic16m)
	   (class IC)
	   (pincount 16)
	   (pins 
	    (1 C2L)
	    (2 C1H)
	    (3 C1L)
	    (4 VBAT)
	    (5 E1)
	    (6 FWD)
	    (7 REV)
	    (8 NRES)
	    (9 DGND)
	    (10 NTIN)
	    (11 FSRD)
	    (12 PGND)
	    (13 RSFD)
	    (14 TOUT)
	    (15 VPP)
	    (16 C2H)
	    )
;	   (power-pins 5)
;	   (ground-pins 9)
)
  )