PSB 21373 H V1.1 Infineon Technologies, PSB 21373 H V1.1 Datasheet - Page 19

• Manufacturer Part Number: PSB 21373 H V1.1
• Description: IC SPEECH AND VOICE MQFP-44
• Manufacturer: Infineon Technologies
• Series: SCOUT™r

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

PSB 21373
1.6
General Functions and Device Architecture
Figure 6 shows the architecture of the SCOUT-DX containing the following functional
blocks:
• Two wire line interface
• Serial microcontroller interface
• HDLC controller with 64 byte FlFOs per direction and programmable FIFO threshold
• IOM-2 handler and interface for terminal application, MONITOR handler
• Clock and timing generation
• Digital PLL to synchronize IOM-2 to the line interface
• Reset generation (watchdog timer)
• Analog Front End (AFE) of the codec part
• Digital Signal Processor (DSP) for codec/filter functions, tone generation, voice data
manipulation and speakerphone function
These functional blocks are described in the following chapters.
Data Sheet
19
2002-05-13