Z8932120PSC Datasheet, PDF (14/40 Pages) Zilog, Inc. – 16-BIT DIGITAL SIGNAL PROCESSORS

Z89321/371/391
16-Bit Digital Signal Processors
TIMING DIAGRAMS
CLOCK
/DS
EA(2:0)
TCY
DSVALID
DSHOLD
EASET
Valid Address Out
EAHOLD
Tr
Tf
CPW
RD//WR
EXT(15:0)
CLOCK
WAIT
/DS
EA(2:0)
RD//WR
EXT(15:0)
RDHOLD
RDSET
Data In
Figure 7. Read Timing
TCY
WSET
WHOLD
Valid Address Out
Data In
Figure 8. External (EXT) Bus Read Timing Using WAIT Pin
Zilog
14
PRELIMINARY
DS97DSP0100