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PDF MT6225 Fiche technique - MediaTek

Numéro de référence MT6225
Description GSM/GPRS Baseband Processor
Fabricant MediaTek 
Logo MediaTek Logo 

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MT6225 Datasheet, Description
MT6225 GSM/GPRS Baseband
Processor Data Sheet
www.DataSheet.co.kr
Revision 1.02
Dec 17, 2006
Datasheet pdf - http://www.DataSheet4U.net/
MT6225 Fiche technique
MT622M5TGKSMC/oGnPfiRdeSntBiaalsAeba(機ndP)rocessor Data Sheet Revision 1.02
TABLE OF CONTENTS
Revision History...................................................................................................................................... 2
Preface...................................................................................................................................................... 5
1. System Overview............................................................................................................................... 6
1.1 Platform Feature......................................................................................................................................................... 9
1.2 MODEM Features.....................................................................................................................................................11
1.3 Multi-Media Features............................................................................................................................................... 12
1.4 General Description ................................................................................................................................................. 13
2 Product Description........................................................................................................................ 15
2.1 Pin Outs.................................................................................................................................................................... 15
2.2 Top Marking Definition ........................................................................................................................................... 18
2.3 DC Characteristics ................................................................................................................................................... 19
2.4 Pin Description......................................................................................................................................................... 20
2.5 Ordering information ............................................................................................................................................... 29
3 Micro-Controller Unit Subsystem ................................................................................................. 30
3.1 Processor Core ......................................................................................................................................................... 31
3.2 Memory Management .............................................................................................................................................. 31
3.3 Bus System............................................................................................................................................................... 35
3.4 Direct Memory Access............................................................................................................................................. 38
3.5 Interrupt Controller .................................................................................................................................................. 54
3.6 Code Cache controller.............................................................................................................................................. 67
3.7 MPU......................................................................................................................................................................... 75
3.8 Internal Memory Interface ....................................................................................................................................... 83
3.9 External Memory Interface ...................................................................................................................................... 84
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4 Microcontroller Peripherals .......................................................................................................... 93
4.1 Security Engine ........................................................................................................................................................ 93
4.2 OTP Controller (OTPC) ........................................................................................................................................... 95
4.3 Pulse-Width Modulation Outputs............................................................................................................................. 98
4.4 Alerter .................................................................................................................................................................... 100
4.5 SIM Interface ......................................................................................................................................................... 103
4.6 Keypad Scanner ......................................................................................................................................................111
4.7 General Purpose Inputs/Outputs .............................................................................................................................113
4.8 General Purpose Timer........................................................................................................................................... 125
4.9 UART..................................................................................................................................................................... 128
4.10 IrDA Framer........................................................................................................................................................... 142
4.11 Real Time Clock .................................................................................................................................................... 149
4.12 Auxiliary ADC Unit ............................................................................................................................................... 155
4.13 I2C / SCCB Controller ........................................................................................................................................... 157
5 Microcontroller Coprocessors ..................................................................................................... 167
5.1 Divider ................................................................................................................................................................... 167
5.2 CSD Accelerator .................................................................................................................................................... 169
5.3 FCS Codec ............................................................................................................................................................. 179
6 Multi-Media Subsystem ............................................................................................................... 182
6.1 LCD Interface ........................................................................................................................................................ 182
6.2 Image Resizer......................................................................................................................................................... 198
6.3 NAND FLASH interface ....................................................................................................................................... 208
6.4 USB Device Controller .......................................................................................................................................... 223
6.5 Memory Stick and SD Memory Card Controller ................................................................................................... 232
3/377
MediaTek Inc. Confidential
Datasheet pdf - http://www.DataSheet4U.net/

3 Page

MT6225 pdf
MT622M5TGKSMC/oGnPfiRdeSntBiaalsAeba(機ndP)rocessor Data Sheet Revision 1.02
1. System Overview
The MT6225 is a highly integrated single chip solution for
GSM/GPRS phone. Based on 32-bit ARM7EJ-STM RISC
processor, MT6225 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, synthesis audio with 64-tone
polyphony, digital audio playback, Java acceleration,
MMS and etc. Additionally, MT6225 provides varieties of
advanced interfaces for functionality extensions, like
3-port external memory interface, 3-port 8/16-bit parallel
interface, NAND Flash, IrDA, USB and MMC/SD/MS/MS
Pro. The typical application can be shown as Figure 1.
Platform
MT6225 is capable of running the ARM7EJ-STM RISC
processor at up to 104 MHz, thus providing fast data
processing capabilities. In addition to the high clock
frequency, a separate CODE cache is also added to further
improve the overall system efficiency.
For large amounts of data transfer, high performance DMA
(Direct Memory Access) with hardware flow control is
implemented, which greatly enhances the data movement
speed while reducing MCU processing load.
External Memory Interface
To provide the greatest capacity for expansion and
maximum bandwidth for data intensive applications such
as multimedia features, MT6225 supports up to 3 external
state-of-the-art devices through its 8/16-bit host interface.
High performance devices such as Mobile RAM and
Cellular RAM are supported for maximum bandwidth.
Traditional devices such as burst/page mode flash, page
mode SRAM, and Pseudo SRAM are also supported. For
greatest compatibility, the memory interface can also be
used to connect to legacy devices such as Color/Parallel
LCD, and multi-media companion chips are all supported
through this interface. To minimize power consumption
and ensure low noise, this interface is designed for flexible
I/O voltage and allows lowering of the supply voltage
down to 1.8V. The driving strength is configurable for
signal integrity adjustment. The data bus also employs
retention technology to prevent the bus from floating
during a turn over.
Multi-media Subsystem
In order to provide more flexibility and bandwidth for
multi-media products, an additional 8/16 bit parallel
interface is incorporated. This interface is designed
specially for support with Camera companion chip as well
as LCD panel. In addition, MT6225 has camera YUV
interface that can connect to CMOS sensor of resolution up
to VGA. Moreover, it can connect NAND flash device to
provide a solution for multi-media data storage. For
running multi-media application faster, MT6225 integrates
also several hardware-based engines. With hardware based
Resizer and advanced display engine, it can display and
combine arbitrary size of images with up to 4 blending
layers.
User Interface
For user interactions, the MT6225 brings together all
necessary peripheral blocks for multi-media GSM/GPRS
phone.www.DataSheet.co.kr It comprises the Keypad Scanner with capability of
multiple key pressing, SIM Controller, Alerter, Real Time
Clock, PWM, Serial LCD Controller and General Purpose
Programmable I/Os. For connectivity and data storage, the
MT6225 consists of UART, IrDA, USB 1.1 Slave, SDIO
and MMC/SD/MS/MS Pro.
Audio Interface
Using a highly integrated mixed-signal Audio Front-End,
the MT6225 architecture allows for easy audio interfacing
with direct connection to the audio transducers. The audio
interface integrates D/A and A/D Converters for Voice
band, as well as high resolution Stereo D/A Converters for
Audio band. In addition, MT6225 also provides Stereo
Input and Analog Mux.
MT6225 supports AMR codec to adaptively optimize
speech and audio quality. Moreover, HE-AAC codec is
implemented to deliver CD-quality audio at low bit rates.
Overall, MT6225’s audio features provide a rich platform
for multi-media applications.
6/377
MediaTek Inc. Confidential
Datasheet pdf - http://www.DataSheet4U.net/

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