NOKIA 03-dtx-3-systm5 free download

File name 03-dtx-3-systm5.pdf

Customer Care Solutions DTX-3 Series Transceivers Modules Issue 1 4/03 Nokia Mobile Phones Ltd. DTX-3 Modules CCS Technical Documentation Table of Contents Page No Glossary of Terms ...3 Functional Description of DTX-3 ...5 Circuit Description ...5 Interfaces and Connectors ...5 Nokia 32 LED Indicators ...6 LED Indicator status: ...7 Signal tones ...8 Key Sequences ...8 Page 2 Nokia Mobile Phones Ltd. Issue 1 4/03 DTX-3 CCS Technical Documentation Modules Glossary of Terms ACCIf Accessory Interface block of MAD2WD1 AIF Application Interface ASIC Application Specific Integrated Circuit BB Baseband CCONT Power management IC for digital phones CIS PCMCIA Card Information Structure COBBA_GJP DCT3 RF-interface and audio codec ASIC with serial MAD interface CSP Chip Scale Package DB Dual band DCS1800 Digital Cellular system at 1800 MHz DCT3 Digital Core Technology, 3rd generation DSP Digital Signal Processor EMC Electromagnetic compatibility EMI Electromagnetic Interference FBUS Asynchronous Full Duplex Serial Bus GSM Global System for Mobile communications HSCSD High Speed Circuit Switched Data MBUS 1-wire half duplex serial bus MCU Micro Controller Unit MDI MCU-DSP Interface MAD MCU+ASIC+DSP asic, common name for whole family MAD2PR1 Modified MAD2 asic, pin count 144 instead of 176 MAD2WD1 MCU+ASIC+DSP with HSCSD specific changes Issue 1 4/03