PSB21384HV13XT Lantiq, PSB21384HV13XT Datasheet - Page 126
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PSB21384HV13XT
Manufacturer Part Number
PSB21384HV13XT
Description
Manufacturer
Lantiq
Datasheet
1.PSB21384HV13XT.pdf
(270 pages)
Specifications of PSB21384HV13XT
Number Of Line Interfaces
1
Control Interface
HDLC
Lead Free Status / Rohs Status
Compliant
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Data Sheet
4
The codec bridges the gap between the audio world of microphones, earphones,
loudspeakers and the PCM digital world by providing a full PCM codec with all the
necessary transmit and receive filters.
Because the requirements for the codec correspond to the ARCOFI-SP PSB 2163 or
ARCOFI
characteristics are similar to those devices.
A block diagram of the codec is shown in figure 70.
The codec can be subdivided into three main blocks:
• Analog Front End (AFE)
• Digital Signal Processor (DSP)
• Codec Digital Interface (CDI)
A detailed description can be found in the following chapters.
Figure 70
Architecture of the codec
V
BGREF
AXI
MIP1
MIN1
MIP2
MIN2
LSP
LSN
HOP
HON
REF
®
-BA PSB 2161 respectively the architecture, functionality and transmission
Codec
VREF
AIN-
MUX
AMI
ALS
AHO
AFE
A/D
D/A
Dec
Int
Dec
Int
116
Frequency
Correction
Filter
Digital Gain
Adjustment
Speakerphone
Function
Tone Generator
Sidetone
DSP
CH2R
CH1R
CH1X
CH2X
C020R
C021R
C010R
C011R
C010X
C011X
C020X
C021X
Control/
config.
Data
CDI
PSB 21381/2
PSB 21383/4
IOM-2 Handler
µC Interface or
Monitor Handler
2001-03-12
codec_arch.vsd
Codec
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