MT6225A/ACS Ver la hoja de datos (PDF) - MediaTek Inc

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MT6225A/ACS

GSM/GPRS Baseband Processor

MediaTek Inc 

MT6225 GSM/GPRS Baseband Processor Data Sheet Revision 1.00

1.1 Platform Feature

General

Integrated voice-band, audio-band and base-band

analog front ends

TFBGA 12mm×12mm, 264-ball, 0.65 mm pitch

package

MCU Subsystem

ARM7EJ-S 32-bit RISC processor

High performance multi-layer AMBA bus

Java hardware acceleration for fast Java-based

games and applets

ARM7EJ-S Operating frequency: 26/52/104 MHz

Dedicated DMA bus

14 DMA channels

48K Bytes on-chip SRAM

72K Bytes MCU dedicated Tightly Coupled

Memory

16K Bytes Code cache

On-chip boot ROM for Factory Flash

Programming

Watchdog timer for system crash recovery

2 sets of General Purpose Timer

Circuit Switch Data coprocessor

Division coprocessor

External Memory Interface

Supports up to 3 external devices

Supports 8-bit or 16-bit memory components with

maximum size of up to 64M Bytes each

Supports Mobile RAM and Cellular RAM

Supports Flash and SRAM with Page Mode or

Burst Mode

Supports Pseudo SRAM

Industry standard Parallel LCD Interface

Supports multi-media companion chips with 8/16

bits data width

Flexible I/O voltage of 1.8V ~ 2.8V for memory

interface

Configurable driving strength for memory

interface

User Interfaces

6-row × 7-column keypad controller with

hardware scanner

Supports multiple key presses for gaming

SIM/USIM Controller with hardware T=0/T=1

protocol control

Real Time Clock (RTC) operating with a separate

power supply

General Purpose I/Os (GPIOs)

2 Sets of Pulse Width Modulation (PWM) Output

Alerter Output with Enhanced PWM or PDM

4~10 external interrupt lines

Connectivity

3 UARTs with hardware flow control and speed up

to 921600 bps

IrDA modulator/demodulator with hardware

framer supports SIR mode of operation

Full-speed USB 1.1 Device controller

Multi Media Card/Secure Digital Memory

Card/Memory Stick/Memory Stick Pro host

controller

Supports SDIO interface for SDIO peripherals as

well as WIFI connectivity

DAI/PCM and I2S interface for Audio application

Security

9/377

MediaTek Inc. Confidential

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