1. System Overview
The MT6218B is a highly integrated single chip solution
for GSM/GPRS phone. Based on 32 -bit ARM7EJ-STM
RISC processor, MT6218B features not only high
performance GPRS Class 12 MODEM but is also designed
with support for the wireless multi-media applications,
such as advanced display engine, hardware JPEG decoder,
synthesis audio with 64-tone polyphony, digital audio
playback, Java acceleration, MMS and etc. Additionally,
MT6218B provides varieties of advanced interfaces for
functionality extensions, like 8-port external memory
interface, 3-port 8-bit parallel interface, NAND Flash,
IrDA, USB and MMC/SD/MS/MS Pro. The typical
application can be shown as Figure 1.
1