AD6421AST Analog Devices, AD6421AST Datasheet
AD6421AST
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AD6421AST Summary of contents
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... REV. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use ...
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... AD20msp415 ARCHITECTURE OVERVIEW Analog Devices and The Technology Partnership (TTP) pro- vide a cost effective and proven method of attaining the baseband processing subsystem and protocol stack software. This data sheet includes functional descriptions of the baseband process- ing subsystem and the Protocol Stack Layer 1. The Technology Partnership can provide licenses to software and reference de- signs in all areas of a GSM handportable terminal ...
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AUXILIARY SYSTEM FUNCTIONS The GSMP and the VBC perform a number of auxiliary func- tions that are essential to build a complete mobile radio. A general radio section constitutes the three functions of trans- mitter, receiver and synthesizer. Figure 2 ...
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AD20msp415 Generation of Auxiliary Audio Signals Under control of Layer 1, the GSMP can generate a variety of fixed and user-programmable tones. This includes all standard DTMF and Call Progress tones as well as user defined tones. The tone structure ...
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... This interface is activated in one of the test modes. A fully functional “DAI box” needed for the FTA process may be obtained from Analog Devices upon request. Digital Interface to GSMP for Data Services The chipset uses a serial interface that is connected to an exter- nal data terminal adapter as described in the AD6422 data sheet ...
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AD20msp415 ACCESSORIES TEST TEST INTERFACE INTERFACE SIM SIM CARD INTERFACE ADDRESS DAI CONTROL FLASH DATA VBC INTERFACE SRAM GSMP DISPLAY DISPLAY CONTROL CONTROL BACKLIGHT BACKLIGHT CONTROL KEYPAD KEYPAD INTERFACE COPROCESSOR EEPROM EEPROM INTERFACE SYNTHESIZER DATA DATA INTERFACE INTERFACE Digital Interface ...
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... PCMCIA applications. EFR* Unit An Evaluation and Development system may be ordered for this chipset, under the part number, NRE20msp415EB1. TQFP –7– AD20msp415 ORDERING GUIDE Part Number Supply Voltage Range AD6421AST +2 +3.3 V AD6422AST +2 +3.3 V AD6423 +2 +3.3 V ...
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