Delta Modulation CODEC
5
MX629
J/P LH
Name
22 Clock Mode 2
23 Clock Mode 1
Signal
Description
20
21
Clock rates refer to f = 1024MHz Xtal/Clock input. During internal
operation the data clock frequencies are available at the ports for
external circuit synchronization. Independent or common data
rate inputs to Encode and Decode data clock ports may be
employed in the External Clocks mode. Internal 1Mꢂ pullups.
See Table 3.
22
24
V
DD
power Positive Supply. A single 5.0V supply is required.
Table 1: Signal List
Data Enable
Powersave
Encoder Output
Enable
High Z (open circuit)
1
1
0
1
1
0
V
SS
Table 2: Encoder Output
Clock Mode 1
Clock Mode 2
Facility
0
0
1
1
0
1
0
1
External Clocks
Internal, 64kbps = f/16
Internal, 32kbps = f/32
Internal, 16kbps = f/64
Table 3: Clock Mode
ꢀ1998 MX-COM, Inc.
www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054
Doc. # 20480190.001
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
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