SU727
SU727 pin table (direction shown for the SU board!)
power in +5V 2 1 +5V in power NC - - 4 3 - - NC NC - - 6 5 - - NC NC - - 8 7 - - NC NC - - 10 9 - - NC NC - - 12 11 - - NC NC - - 14 13 - - NC NC - - 16 15 - - NC NC - - 18 17 - - NC NC - - 20 19 - - NC NC - - 22 21 - - NC NC - - 24 23 - - NC NC - - 26 25 - - NC LVTTL in TOSO<1> 28 27 TOSI<1> out LVTTL LVTTL in TOSO<2> 30 29 TOSI<2> out LVTTL LVTTL in TOSO<3> 32 31 TOSI<3> out LVTTL NC - - 34 33 - - NC power in GND 36 35 GND in power