RF Quadrature Transceiver / RF Quadrature Receiver
CMX991/CMX992
8.1.3.5 AC Parameters – C-BUS
C-BUS Timings (See Figure 32)
Notes
Min.
Typ.
Max.
Units
t
t
t
t
t
t
t
t
t
t
t
t
t
CSN-enable to clock-high time
Last clock-high to CSN-high time
Clock-low to reply output enable time
CSN-high to reply output 3-state time
CSN-high time between transactions
Inter-byte time
100
–
–
ns
CSE
CSH
LOZ
HIZ
100
0.0
–
–
–
–
–
–
–
–
–
–
–
–
–
ns
ns
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
–
–
1.0
–
1.0
CSOFF
NXT
CK
200
200
100
100
75.0
25.0
50.0
0.0
–
Clock-cycle time
–
Serial clock-high time
–
CH
Serial clock-low time
–
CL
Command data set-up time
Command data hold time
Reply data set-up time
–
CDS
CDH
RDS
RDH
–
–
Reply data hold time
–
Maximum 30pF load on each C-BUS interface line.
Figure 32 C-BUS Timing
2012 CML Microsystems Plc
55
D/991_992/18
CMLMICRO [ CML MICROCIRCUITS ]
