Rainbow Electronics DS2130Q - Manual (Page 4)

DS2130Q
041295 4/22
DS2130 SIGNAL FLOW DIAGRAM Figure 1
PCM DA
T
A
INTERF
ACE
AUDIO
COMPRESSION
(Record)
AUDIO
EXP
ANSION
(Playback) MUL
TI-T
ONE
GENERA
T
O
R
DTMF HIGH-BAND
FIL
TER
DTMF LOW
-BAND
FIL
TER
ENERGY
DETECT
OR
DTMF
DECODER
MUX
DA
T
A
INTERF
ACE
COMPRESSION/
EXP
ANSION
SERIAL
POR
T
AND
TIMING
CONTROL INTERF
ACE
COMP/EXP
SELECT
T
ONE CONTROL
INTERNAL
DSP
PROCESSING CLOCK
PCMIN
PCMCLK
PCMFS
PCMOUT
DT0-DT3 CPXOUT CPXCLK CPXFS CPXIN SPS SDI SCLK CS RST A0-A5 MCLK
V
alid digit detect