CMX605P3 View Datasheet(PDF) - MX-COM Inc
Part Name
Description
MFG CO.
'CMX605P3' PDF : 26 Pages View PDF
Digital Line to POTS Interface
Page 25 of 26
CMX605 Preliminary Information
6.1.4 Timing
tCSE
tCSH
tLOZ
tHIZ
tCSOFF
tNXT
tCK
tCH
tCL
tCDS
tCDH
tRDS
tRDH
‘C-BUS’ Timings (See Figure 13)
CS -Enable to Clock-High time
Last Clock-High to CS -High time
Clock-Low to Reply Output enable time
CS -High to Reply Output 3-state time
CS -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
Notes Min. Typ. Max. Unit
100
-
-
ns
100
-
-
ns
0.0
-
-
ns
-
-
1.0 µs
1.0
-
-
µs
500
-
500
-
200
-
200
-
75
-
25
-
75
-
0
-
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
Table 21: C-BUS Timing
Note: These timings are for the latest version of the ‘C-BUS’ as embodied in the CMX605, and allow faster
transfers than the original ‘C-BUS’ timings provided in MX-COM’s Publication Doc. # 20480060.001.
CS
tCSE
SERIAL CLOCK
tCK
tNXT
tCSH
tCSOFF
COMMAND DATA
REPLY DATA
765432 10
tLOZ
HI-Z
= Level not important or undefined
765432 10
tHIZ
765432 10
70% VDD
30% VDD
COMMAND
DATA
tCL
tCDS
tCH
tCDH
SERIAL
CLOCK
REPLY
DATA
tCK
tRDS
Figure 13: ‘C-BUS’ Timing
tRDH
¤2001 MX-COM, Inc.
www.mxcom.com tel: 800 638 5577 336 744 5050 fax: 336 744 5054
Doc. # 20480195.005
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA All trademarks and service marks are held by their respective companies.
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