Z8932120PSC Datasheet, PDF (12/40 Pages) Zilog, Inc. – 16-BIT DIGITAL SIGNAL PROCESSORS

Z89321/371/391
16-Bit Digital Signal Processors
AC ELECTRICAL CHARACTERISTICS
(V_DD= 5V ±10%, T_A = 0°C to +70°C, unless otherwise specified.)
Zilog
fclock = 20
fclock = 24
MHz¹
fclock = 16 MHz²
MHz³
Symbol
Parameter
Min Max Min Max 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
2
2
23
0
15
4
15
12
4
14
6
18
5
7
1 TCY
15
6
7
7
0
15
2 TCY
1000
20
10
10
23
1
3
10
6.25
41.7
2
2
2
2
29
19
0
15
0
15
4
15
4
15
12
12
4
4
14
14
6
6
18
18
5
5
7
1 TCY
7
1 TCY
15
15
6
6
7
7
7
7
0
0
15
2 TCY
10000
15
2 TCY
1000
20
20
10
10
10
10
23
23
1
1
3
3
10
10
Notes:
1. Z89321 and Z89391 only
2. Z89371 only (V_DD = 5V ± 5%)
3. Z89321 only. Limited availability. Contact Zilog sales office.
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
12
PRELIMINARY
DS97DSP0100