Instruction Manual

DS2130Q
041295 4/22
DS2130 SIGNAL FLOW DIAGRAM Figure 1
PCM
DATA
INTERFACE
AUDIO
COMPRESSION
(Record)
AUDIO
EXPANSION
(Playback)
MULTI-TONE
GENERATOR
DTMF HIGH-BAND
FILTER
DTMF LOW-BAND
FILTER
ENERGY
DETECTOR
DTMF
DECODER
MUX
DATA
INTERFACE
COMPRESSION/
EXPANSION
SERIAL PORT
AND
TIMING
CONTROL
INTERFACE
COMP/EXP SELECT
TONE CONTROL
INTERNAL DSP
PROCESSING CLOCK
PCMIN
PCMCLK
PCMFS
PCMOUT
DT0-DT3
CPXOUT CPXCLK CPXFS CPXIN SPS SDI SCLK CS RST A0-A5 MCLK
Valid digit detect