The TCM4400E global system for mobile Communication (GSM) baseband RF Interface circuit is designed for GSM 900 , PCS1900, and DCS 1800 European digital cellular telecommunication systems. It performs the Interface and processing of voice signals, generates baseband in-phase (I) and quadrature (Q) signals, and controls the signals between a digital signal processor (DSP) and associated RF circuits. The TCM4400E includes a second serial Interface for use with a Microcontroller Through this Interface a Microcontroller CAN access all the internal Registers that CAN be accessed through the DSP digital serial Interface This option is intended for applications in which part of the L1 software is implemented in the Microcontroller A four-pin parallel port is dedicated to the full control of the digital Audio Interface (DAI) to the GSM system simulator; the DAI consists of system simulator reset (SSRST) control, Clock generation, and rate adaptation with the DSP By Texas Instruments
TCM4400E 's PackagesTCM4400E 's pdf datasheet

TCM4400E Pinout, Pinouts
TCM4400E pinout,Pin out
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