logical systems corporation po box 6184, syracuse, ny 13217-6184 usa tel (315) 478-0722, fax (315) 479-6753 www.logicalsys.com, email: info@logicalsys.com sy tems s pa40-44-p64-dx-qf data sheet doc: 40p64dq.doc rev 06/19/00 page 1 of 1 supported device/footprints the pa40-44-p64-dx-qf adapter accepts 40 pin dip devices and has a removable 44 pin qfp solder-down plug. this allows dip devices, or emulators with dip plugs, to be used during development of qfp based products. other devices that require the same wiring and footprint would also be supported. the following dip device footprints are converted to the indicated qfp footprint. microchip: pic16c64,pic16c64a, pic16c65, pic16c65a, pic16c74, pic16c74a, pic16c77 footprint: same device 44mqfp this qfp plug will fit most 44 pin. 0.8mm pitch, qfp land patterns. usually the pads extend from the body past the tip of the device leads. this plug will fit on pads that have a minimum span of 10.0mm or less and a maximum span of 12.0mm or more. inner pad span outer pad span 10.0mm or less 12.0mm or more the qfp plugs leads are dimensioned as follows. plug body knee tip pitch pqf-44 10.0 mm typ 9.6 mm typ 12.0 mm typ 0.8 mm adapter construction the adapter is made up of 2 or 3 sub-assemblies. they assemble via connectors making the adapter modular. this way the sub-assemblies can be replaced easily. when disassembling the adapter take care not to bend the pins. when reassembling the adapter note the pin 1 indicators to align the parts correctly. the following chart lists the adapters described by this datasheet and their subassemblies. adapter test socket circuit board qfp plug pa40-44-p64-dz-qf 40-adz * p64-dq pqf-44 PA40-44-P64-DP-QF none * p64-dq pqf-44 * the circuit board always has a 40 pin dip production socket. the optional test socket plugs into the production socket. test socket lsc # style mfgr/pn 40adz dip zif aries 40-6554-11 qfp plug the qfp plug is removable. one is included with the adapter. additional qfp plugs may be ordered as pqf-44. this allows the adapter to be used on several prototypes without de- soldering. adapter dimensions PA40-44-P64-DP-QF pa40-44-p64-dz-qf note: qfp pin 1 is in the lower right corner. microchip packaged the qfp with a 180 degree rotation from the dip & plcc. adapter wiring the following chart shows the connections from the dip device to the adapters qfp plug. device signal plug plug signal device 1 mclr/vpp 18 17 rb 7 40 2 ra0 19 16 rb 6 39 3 ra1 20 15 rb 5 38 4 ra2 21 14 rb 4 37 5 ra3 22 13 n/c - 6 ra4/tocki 23 12 n/c - 7 ra5/ss 24 11 rb 3 36 8 re0/rd 25 10 rb 2 35 9 re1/wr 26 9 rb 1 34 10 re2/cs 27 8 rb0/int 33 11 vdd 28 7 vdo 32 12 vss 29 6 vss 31 13 osc1/clkin 30 5 rd7/psp7 30 14 osc2/clkout 31 4 rd6/psp6 29 15 rc0/t1cki 32 3 rd5/psp5 28 - n/c 33 2 rd4/psp4 27 - n/c 34 1 rc7 26 16 rc1/t1cko 35 44 rc6 25 17 rc2/ccp1 36 43 rc5/sdo 24 18 rc3/sck/scl 37 42 rc4/sdi/sda 23 19 rd0/psp0 38 41 rd3/psp3 22 20 rd1/psp1 39 40 rd2/psp2 21 pa40-44-p64-dx-qf data sheet 40 pin dip socket/44 pin qfp plug
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