CMX865D2 CML Microcircuits, CMX865D2 Datasheet - Page 40
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CMX865D2
Manufacturer Part Number
CMX865D2
Description
FSK Modem and DTMF Codec
Manufacturer
CML Microcircuits
Datasheet
1.CMX865D2.pdf
(42 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CMX865D2
Manufacturer:
CML
Quantity:
20 000
FSK Modem and DTMF Codec
Maximum 30pF load on each C-BUS interface line.
Note: These timings are for the latest version of the C-BUS as embodied in the CMX865.
© 2005 CML Microsystems Plc
C-BUS Timings (See Figure 13)
t
t
t
t
t
t
t
t
t
t
t
t
t
CSE
CSH
LOZ
HIZ
CSOFF
NXT
CK
CH
CL
CDS
CDH
RDS
RDH
time
CSN-Enable to Clock-High time
Last Clock-High to CSN-High time
Clock-Low to Reply Output enable
CSN-High to Reply Output 3-state time
CSN-High Time between transactions
Inter-Byte Time
Clock-Cycle time
Serial Clock-High time
Serial Clock-Low time
Command Data Set-Up time
Command Data Hold time
Reply Data Set-Up time
Reply Data Hold time
Figure 13 C-BUS Timing
40
Notes
75.0
25.0
50.0
Min.
100
100
200
200
100
100
0.0
1.0
0.0
-
Typ.
-
-
-
-
-
-
-
-
-
-
-
-
-
Max.
1.0
-
-
-
-
-
-
-
-
-
-
-
-
CMX865
D/865/3
Units
ns
ns
ns
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns