Z8927320VSC Datasheet, PDF (19/60 Pages) Zilog, Inc. – 16-BIT DIGITAL SIGNAL PROCESSORS WITH A/D CONVERTER

ZiLOG
AC ELECTRICAL CHARACTERISTICS
Z89223/273/323/373
16-Bit Digital Signal Processors with A/D Converter
Table 8. V_DD= 5V ±10%, T_A = 0°C to +70°C for “S” Temperature Range
T_A = –40°C to +85°C for “E” temperature range, unless otherwise noted
Symbol
Parameter
Clock
TCY
CLKI Cycle Time for user-supplied clock
CPWH
CLKI Pulse Width High
CPWL
CLKI Pulse Width Low
Tr
CLKI Rise Time for 20-MHz user-supplied clock
Tf
CLKI Fall Time for 20-MHz user-supplied clock
External Peripheral Bus
EASET
EA Setup Time to DS Fall
EAHOLD
EA Hold Time from DS Rise
RWSET
Read/Write Setup Time to DS Fall
RWHOLD
Read/Write 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
Reset
RRISE
Reset Rise Time
RWIDTH
Reset Low Pulse Width
Interrupt
IWIDTH
Interrupt Pulse Width
Halt
HWIDTH
Halt Low Pulse Width
Wait State
WLAT
Wait Latency Time from DS Fall
WDEA
Wait Deassert Setup Time to CLKOUT Rise
SPI
SDI–SCLK
Serial Data In to Serial Clock Setup Time
SCLK–SDO
Serial Clock to Serial Data Out Valid
SS–SCLK
Slave Select to Serial Clock Setup Time
SS–SDO
Slave Select to Serial Data Out Valid
SCLK–SDI
Serial Clock to Serial Data In Hold Time
Min [ns]
50
21
21
10
4
10
0
15
0
2
2 TCY
1TCY
3 TCY
TBD
10
15
1/2 SCLK Period
15
10
Max [ns]
31250
2
2
5
20 TCY
7
DS000202-DSP0599
19