CMX138 CML Microcircuits, CMX138 Datasheet - Page 5

• Manufacturer Part Number: CMX138
• Description: Audio Scrambler and Sub-Audio Signalling Processor
• Manufacturer: CML Microcircuits

Audio Scrambler and Sub-Audio Signalling Processor
2
Version
© 2008 CML Microsystems Plc
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History
Changes
Advance Information only
Correction of Figure 2, to show correct bias arrangement for a differential MIC
input.
Additional explanations about Tone Cloning, In-band Tones, Tone Interrupts,
System Clock Output, Program Block P4.4 and 4.5.
Updates to current consumption in section 11.1.3 and parametric values in section
11.1.4, following device evaluation.
Additional explanation about use of the CLKSEL pin in Signal List and Table 1.
Add explanation of the initial value for ADC averaging.
Add note 99 to define conditions for scrambler audio pass-band measurement.
Clarify the polarity of DCS Rx and Tx signals in sections 7.5.2 and 7.5.4
Page 5
D/138_FI1.0/5
Date
12/2/08
23/4/08
CMX138