Model
MASS 2
Version
V_1.0
Prepared by
H/W
Date
22/01/2008
Subject Technical
Manual Page
1/59
Baseband section
This document provides a description of the baseband section of the MASS 2. Most design decisions are explained,
but no detailed calculations are included. Total chip solutions(MT6225, MT6318, MT6120) except for RF Power
Amplifier(RF3166) are from MediaTek, Taiwan.
I. MT6225 ( GSM/GPRS Baseband Processor )
1.
System OverView
The MT6225 is a highly integrated single-Chip solution for GSM/GPRS mobile phone. Based on 32bit ARM7EJ-S
TM
RISC processor, MT6225 features not only high performance GPRS Class 12 MODEM but is also designed with
support for the wireless multi-media applications. But, the MEGA2 just supports GPRS Multi-slot Class 8 and GPRS
MODE CLASS B.
The Figure 1 is shown Typical Application for MT6225.
Figure 1 : Typical Application for MT6225
1.1
Platform Feature
z
General
-. Integrated voice-band, audio-band and base-band analog front ends.
-. TFBGA 12mm x 12mm, 246-balls, 0.65mm pitch package.
z
MCU Subsystem
Содержание MASS2
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