Z8932120PSC Datasheet, PDF (13/40 Pages) Zilog, Inc. – 16-BIT DIGITAL SIGNAL PROCESSORS

Zilog
Z89321/371/391
16-Bit Digital Signal Processors
AC ELECTRICAL CHARACTERISTICS
(V_DD= 5V ±10%, T_A = Ð40°C to +85°C, unless otherwise specified.)
1
fclock = 20 MHz¹
Symbol
Parameter
Min
Max
Clock
TCY
Clock Cycle Time
Tr
Clock Rise Time
Tf
Clock Fall Time
CPW
Clock Pulse Width
I/O
DSVALID
/DS Valid Time from CLOCK Fall
DSHOLD
/DS Hold Time from CLOCK Rise
EASET
EA Setup Time to /DS Fall
EAHOLD
EA Hold Time from /DS Rise
RDSET
Data Read Setup Time to /DS Rise
RDHOLD
Data Read Hold Time from /DS Rise
WRVALID
Data Write Valid Time from /DS Fall
WRHOLD
Data Write Hold Time from /DS Rise
Interrupt
INTSET
Interrupt Setup Time to CLOCK Fall
INTWIDTH
Interrupt Low Pulse Width
CODEC Interface
SSET
SCLK Setup Time from Clock Rise
FSSET
FSYNC Setup Time from SCLK Rise
TXSET
TXD Setup Time from SCLK Rise
RXSET
RXD Setup Time to SCLK Fall
RXHOLD
RXD Hold Time from SCLK Fall
Reset
RRISE
Reset Rise Time
RSET
Reset Setup Time to CLOCK Rise
RWIDTH
Reset Low Pulse Width
External Program Memory
PAVALID
PA Valid Time from CLOCK Rise
PDSET
PD Setup Time to CLOCK Rise
PDHOLD
PD Hold Time from CLOCK Rise
Wait State
WSET
WAIT Setup Time to CLOCK Rise
WHOLD
WAIT Hold Time from CLOCK Rise
Halt
HSET
Halt Setup Time to CLOCK Rise
HHOLD
Halt Hold Time from CLOCK Rise
50
20
0
5
15
5
17
8
6
9
1 TCY
9
0
18
2 TCY
12
12
28
2
4
12
5
5
18
18
20
18
8
9
1000
25
Note:
1. Z89321 only
DS97DSP0100
PRELIMINARY
13