NCD uCtrl 6805

        vss     reset
kb      int     pa7 Q
        vcc     pa6 CK
3.748M  extal   pa5 Q
        xtal    pa4 CK
        vpp     pa3 cs/ eeprom
kb      timer   pa2
spkr    pc0     pa1
spkr    pc1     pa0     kb
spkr    pc2     pb7
spkr    pc3     pb6
sk eepr pb0     pb5
di eepr pb1     pb4
do eepr pb2     pb3