Lab #3 Assignment

Recall Lab #2

Wait States

Modifying PAL from Lab #2

BUSGEN

RDYGEN

RDYGEN Equations (Using One-Hot encoding of state info!)

EQUATIONS

RDY = ????

T1 := T1 * /ALE * /RESET + T4 * /RESET + RESET

T2 := T1 * ALE * /RESET

T3 := T2 * /RESET

TW1 := ?

TW2 := ?

TW3 := ?

T4 =

Inputs are ALE, W1, W0, and RESET. Also CLK.

PAL Pinout