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PDF MT6223 Data sheet ( Hoja de datos )
| Número de pieza | MT6223 | |
| Descripción | GSM/GPRS Baseband Processor | |
| Fabricantes | MediaTek | |
| Logotipo |  |
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MT6223 GSM/GPRS
Baseband Processor
Data Sheet
Revision 2.10
Jan 29, 2008
1 page  
8.2 Clocks..................................................................................................................................................................... 278
8.3 Reset Generation Unit (RGU) ................................................................................................................................ 283
9 Analog Front-end & Analog Blocks ........................................................................................................................... 287
9.1 General Description................................................................................................................................................ 287
9.2 MCU Register Definitions...................................................................................................................................... 299
9.3 Programming Guide ............................................................................................................................................... 315
10 MT6223 Camera Preview Application Note.............................................................................................................. 315
10.1 Hardware architecture and software programming ................................................................................................ 315
5 Page 
z Thermal Overload Protection
z Under Voltage Lock-out Protection
z Over Voltage Protection
z Power-on Reset and Start-up Timer
Test and Debug
z Built-in digital and analog loop back modes for
both Audio and Baseband Front-End
z DAI port complying with GSM Rec.11.10
z JTAG port for debugging embedded MCU
1.2 MODEM Features
Radio Interface and Baseband Front End
z GMSK modulator with analog I and Q channel
outputs
z 10-bit D/A Converter for uplink baseband I and Q
signals
z 14-bit high resolution A/D Converter for downlink
baseband I and Q signals
z Calibration mechanism of offset and gain mismatch
for baseband A/D Converter and D/A Converter
z 10-bit D/A Converter for Automatic Power Control
z 13-bit high resolution D/A Converter for Automatic
Frequency Control
z Programmable Radio RX filter with adaptive
bandwidth control
z Dedicated Rx filter for FB acquisition
z 2 Channels Baseband Serial Interface (BSI) with
3-wire control
z Bi-directional BSI interface. RF chip register read
access with 3-wire or 4-wire interface.
z 10-Pin Baseband Parallel Interface (BPI) with
programmable driving strength
z Multi-band support
Voice and Modem CODEC
z Dial tone generation
z Voice Memo
z Noise Reduction
z Echo Suppression
z Advanced Sidetone Oscillation Reduction
z Digital sidetone generator with programmable gain
z Two programmable acoustic compensation filters
z GSM/GPRS quad vocoders for adaptive multirate
(AMR), enhanced full rate (EFR), full rate (FR) and
half rate (HR)
z GSM channel coding, equalization and A5/1, A5/2
and A5/3 ciphering
z GPRS GEA1, GEA2 and GEA3 ciphering
11/352
MediaTek Inc. Confidential
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MT6223.PDF ] | |
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