PSB 21373 H V1.1 Infineon Technologies, PSB 21373 H V1.1 Datasheet - Page 104
PSB 21373 H V1.1
Manufacturer Part Number
PSB 21373 H V1.1
Description
IC SPEECH AND VOICE MQFP-44
Manufacturer
Infineon Technologies
Series
SCOUT™r
Datasheet
1.PSB_21373_H_V1.1.pdf
(242 pages)
Specifications of PSB 21373 H V1.1
Function
CODEC
Interface
IOM-2, SCI
Number Of Circuits
1
Voltage - Supply
5V
Current - Supply
97.5mA
Mounting Type
Surface Mount
Package / Case
44-BQFP
Includes
Activation and Deactivation, Channel Handler, DTMF / Tone / Ringing Generator, HDLC Controller, Speakerphone, Voice Monitoring
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
Operating Temperature
-
Other names
PSB21373HV1.1XT
PSB21373HV11XT
SP000007602
PSB21373HV11XT
SP000007602
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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 55.
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 55
Architecture of the codec
Data Sheet
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
104
Frequency
Correction
Filter
Digital Gain
Adjustment
Speakerphone
Function
Tone Generator
Sidetone
DSP
CH1X
CH2X
CH2R
CH1R
C010X
C011X
C020X
C021X
C020R
C021R
C010R
C011R
Control/
config.
Data
CDI
PSB 21373
IOM-2 Handler
µC Interface or
Monitor Handler
2002-05-13
codec_arch
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