CMX971 Datasheet, PDF (24/25 Pages) CML Microcircuits – Small 16-lead VQFN Package

Quadrature Modulator
9.1.3.4 C-BUS
C-BUS Timings (See Figure 12)
t_CSE
CSN-enable to clock-high time
t_CSH
Last clock-high to CSN-high time
t_LOZ
Clock-low to reply output enable time
t_HIZ
CSN-high to reply output 3-state time
t_CSOFF
CSN-high time between transactions
t_NXT
Inter-byte time
t_CK
Clock-cycle time
t_CH
Serial clock-high time
t_CL
Serial clock-low time
t_CDS
Command data set-up time
t_CDH
Command data hold time
t_RDS
Reply data set-up time
t_RDH
Reply data hold time
Maximum 30pF load on each C-BUS interface line.
Notes
Min.
100
100
0.0
–
1.0
200
200
100
100
75.0
25.0
50.0
0.0
CMX971
Typ.
–
–
–
–
–
–
–
–
–
–
–
–
–
Max.
–
–
–
1.0
–
–
–
–
–
–
–
–
–
Units
ns
ns
ns
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
Note: Only 1 byte of data is used in CMX971 C-BUS transactions.
Figure 12 C-BUS Timing
 2015 CML Microsystems Plc
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