U9200 Maintenance Manual
INTERNAL
(2012-06-13)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Page 42 of 80
Subsystem Module
Unit
Function
User interface
processing unit
Provides an interface to the camera,
PCM, broadband CODEC, RF,
HKADC, LCD, microSD card,
USB, UART, USIM card, HSI,
MIPI, GPIO, JTAG/ETM, and
keypad.
Multimedia and
game engine
MPEG/GPEG hardware engine,
game engine, JAVA accelerator,
and MP3/MMS/MIDI
X-GOLD626
Modem BB
40 nm digital baseband module,
system-in-package (SIP) of low
power consumption, WCDMA,
GPS, and GSM signal modulating
and demodulating. Its subsystems
include ARM processor, modem
DSP, interrupt controller, and
power and sleep controller.
Modem PMU
65 nm, supply power to MODEM
BB, reset function, two-line SMPS,
eight-line LDO.
Modem memory
MCP (1 GB + 256 MB)
EMMC
Features, power
consumption, and
file system
Programs and NV items, 8 GB/4
GB
DDR RAM
Power consumption
RAM for program running, 1 GB
RF
subsystem
WCDMA and
GSM/DCS
transceiver
Smartti-UE2
WCDMA RF transceiver,
comprised of an RFMD chip, PMU,
and peripheral circuits.
GPS
GPS receiver
GPS receiver, comprised of
Broadcom BCM4751 and
peripheral circuits.
Bluetooth
interface
Bluetooth module
Bluetooth baseband and RF
transceiver, comprised of
Broadcom BCM4330 Bluetooth
and peripheral circuits.
Wi-Fi
interface
Wi-Fi module
Wi-Fi baseband and RF transceiver,
comprised of Broadcom BCM4330
Wi-Fi and peripheral circuits.
Crystal
oscillator and
frequency
synthesizer
26 M TCVCXO and
control circuit
Provides high precision 26 MHz
local clock.
