GAL22V10
SSC

/RES CTS /IOSTRB /DEVSEL /IOSEL RWB A11 A10 A9 A8 A3 GND
NC NC NC /LATCHCE ROMA8 ROMA9 ROMA10 /ROMOE PHI2 D0 C8EN VCC

PHI2 = DEVSEL

C8EN = C8EN * /A8 * /A9 * /A10 * /A11 * /IOSTRB * /RES
     + IOSEL
ROMOE = C8EN * IOSTRB * RWB
      + IOSEL * RWB
ROMA8 = A8 + /A11
ROMA9 = A9 + /A11 
ROMA10 = A10 + /A11 

D0.T = CTS
D0.E = RWB * DEVSEL * /A3

LATCHCE = DEVSEL + IOSEL + IOSTRB

DESCRIPTION

This implements all of the address decoding logic for the Simple Serial Card.