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MC145540 Просмотр технического описания (PDF) - Motorola => Freescale
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MC145540
ADPCM Codec
Motorola => Freescale
MC145540 Datasheet PDF : 116 Pages
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PO+
PO-
PI
RO
AXO-
AXO+
V
AG
TG
TI-
TI+
ANALOG INTERFACE
AND
-1
CODECĆFILTER
+
-
DAC
TRIM GAIN
AND FILTER
Σ
2.4 VOLT
REFERENCE
SIDETONE
GAIN
-
TRIM GAIN
ADC
+
AND FILTER
POWER SUPPLY MANAGEMENT
SUBSYSTEM
V
DD
5 VOLT
REGULATED
3 VOLT
CHARGE PUMP
REGULATOR FOR
FOR CODECĆFILTER
DIGITAL SIGNAL
ANALOG
PROCESSOR
PROCESSING
C1+ C1- VSS VEXT VDSP
DIGITAL SIGNAL PROCESSOR
RECEIVE
DIGITAL GAIN
ADPCM
DECODER
LINEAR TO
COMPANDED
NOISEĆBURST
DETECT CIRCUIT
UNIVERSAL
DUAL TONE
GENERATOR
COMPANDED
TO LINEAR
ADPCM
ENCODER
ADPCM SERIAL
DATA PORT
INPUT SHIFT
REGISTER
FSR LENGTH
CIRCUITRY
DR
FSR
BCLKR
FST LENGTH
CIRCUITRY
OUTPUT SHIFT
REGISTER
BCLKT
FST
DT
SERIAL CONTROL PORT
SEQUENCE
SPC
AND
CONTROL
SCP EN SCP CLK SCP RX SCP TX
PDI/RESET
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