8XC196KC/8XC196KC20
EXPLANATION OF AC SYMBOLS
Each symbol is two pairs of letters prefixed by ‘‘T’’ for time. The characters in a pair indicate a signal and its
condition, respectively. Symbols represent the time between the two signal/condition points.
Conditions:
HÐ High
LÐ Low
VÐ Valid
XÐ No Longer Valid
ZÐ Floating
Signals:
AÐ Address
BÐ BHE
CÐ CLKOUT
DÐ DATA
GÐ Buswidth
HÐ HOLD
HAÐ HLDA
LÐ ALE/ADV
BRÐ BREQ
RÐ RD
WÐ WR/WRH/WRL
XÐ XTAL1
YÐ READY
QÐ Data Out
AC CHARACTERISTICSÐSERIAL PORTÐSHIFT REGISTER MODE
SERIAL PORT TIMINGÐSHIFT REGISTER MODE (MODE 0)
Symbol Parameter Min Max Units
T
XLXL
Serial Port Clock Period (BRR
t
8002H) 6 T
OSC
ns
T
XLXH
Serial Port Clock Falling Edge 4 T
OSC
b
50 4 T
OSC
a
50 ns
to Rising Edge (BRR
t
8002H)
T
XLXL
Serial Port Clock Period (BRR
e
8001H) 4 T
OSC
ns
T
XLXH
Serial Port Clock Falling Edge 2 T
OSC
b
50 2 T
OSC
a
50 ns
to Rising Edge (BRR
e
8001H)
T
QVXH
Output Data Setup to Clock Rising Edge 2 T
OSC
b
50 ns
T
XHQX
Output Data Hold after Clock Rising Edge 2 T
OSC
b
50 ns
T
XHQV
Next Output Data Valid after Clock Rising Edge 2 T
OSC
a
50 ns
T
DVXH
Input Data Setup to Clock Rising Edge T
OSC
a
50 ns
T
XHDX
Input Data Hold after Clock Rising Edge 0 ns
T
XHQZ
Last Clock Rising to Output Float 1 T
OSC
ns
WAVEFORMÐSERIAL PORTÐSHIFT REGISTER MODE
SERIAL PORT WAVEFORMÐSHIFT REGISTER MODE (MODE 0)
270942–24
18