MX803ALH Ver la hoja de datos (PDF) - MX-COM Inc
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MX803ALH Datasheet PDF : 26 Pages
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Audio Signaling Processor
1. Block Diagram
3
MX803A PRELIMINARY INFORMATION
SIGNAL INPUT BIAS
(RX)
AUDIO IN
DIGITAL
NOISE
FILTER 1
RX FILTER
SWITCH
DIGITAL
NOISE
FILTER 2
QUALITY
METER
GATE TIME
GENERATOR
VDD
PROGRAMMABLE
(TX PERIOD)
TIMER
FREQUENCY
COUNTER
VBIAS
VSS
XTAL/
CLOCK
XTAL
CLOCK
GENERATOR
AUDIO SWITCH IN
AUDIO
SWITCH
TONE 1
GENERATOR
5-/2-TONE
DTMF 1
VBIAS
_
+
SUMMING
AMPLIFIER
TONE 2
GENERATOR
CUES/DTMF 2
PROGRAMMABLE
NOTONE
TIMER
COMMAND DATA
C-BUS
INTERFACE
REPLY DATA
CHIP SELECT
AND
CONTROL
LOGIC
INTERRUPT
SERIAL CLOCK
LOGIC INPUT
LOW
PASS
FILTER
SUMMING
SWITCH
CUES
CAL/CUES
SWITCH
CAL
LOW
PASS
FILTER
TONE 1 OUT
SUM IN
SWITCHED SUM OUT
SUM OUT
CAL/CUES OUT
TONE 2 OUT
SWITCH OUT
Figure 1: Block Diagram
© 1996 MX•COM, INC.
Tele: 800 638 5577 910 744 5050 Fax: 910 744 5054
Doc. # 20480122.003
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