6. Diagrams and Tables

(ISBUS signals used or created on XM2C-1)

Overleaf is a list of the ISBUS signals with specific reference to this card.

No. Name Type signal Description

6.3 68-pin Chip Pins to Socket Translation

Here is a chart which shows how the pins on the PLCC carrier integrated circuit translate to the pins on the socket.

*** WARNING THESE ALL REQUIRE CHECKING ***

		PLCC pins

	   9 - - - 1 68 - - - 61
	10			60
	 |			|
	 |			|
	 |			|
	 |			|
	 |			|
	 |			|
	26			44
	  27 - - - -  - - - - 43

		Socket Pins

	    9  7  5  3  1 67 65 63 61
	10 11  8  6  4  2 68 66 64 62 60
	12 13                      59 58
	14 15                      57 56
	16 17                      55 54
	18 19                      53 52
	20 21                      51 50
	22 23                      49 48
	24 25                      47 46
	26 28 30 32 34 36 38 40 42 45 44
	   27 29 31 33 35 37 39 41 43