Z89323 Datasheet, PDF (56/61 Pages) Zilog, Inc. – 16-BIT DIGITAL SIGNAL PROCESSORS

PRELIMINARY
TIMING DIAGRAMS (Continued)
TCY
CLOCK
INTSET
Z89323/373/393
16-BIT DIGITAL SIGNAL PROCESSORS
INT 0,1,2
PROGRAM
ADDRESS
INTWidth
Fetch N –1
Fetch N
Fetch N +1 Fetch Int_Addr
Fetch I
Fetch I +1
EXECUTE
Execute N –1 Execute N
CALL Int Routine Execute Int Routine
Figure 46. Interrupt Timing
CLOCK
HALT
HHOLD
HSET
TCY
Figure 47. HALT Timing
56
DS95DSP0101 Q4/95