psb21381 Infineon Technologies Corporation, psb21381 Datasheet - Page 30
psb21381
Manufacturer Part Number
psb21381
Description
Siemens Codec With S/t Transceiver
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PSB21381.pdf
(270 pages)
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Data Sheet
1.6
Figure 14 shows the architecture of the SCOUT containing the following functional
blocks:
• S/T interface transceiver with ISAC-S TE PSB 2186 functionality respectively
• Serial and parallel 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 S/T
• Reset generation (watchdog timer)
• Analog Front End (AFE) of the codec part
• Digital Signal Processer (DSP) for codec/filter functions, tone generation, voice data
These functional blocks are described in the following chapters.
manipulation and speakerphone function (SCOUT-SX)
General Functions and Device Architecture
20
PSB 21381/2
PSB 21383/4
2001-03-12
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