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ADPLP01 数据表(PDF) 1 Page - Analog Devices

部件名 ADPLP01
功能描述  GSM Baseband Processing Chipset
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADPLP01 数据表(HTML) 1 Page - Analog Devices

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REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
AD20msp410
© Analog Devices, Inc., 1996
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
GSM
Baseband Processing Chipset
SYSTEM ARCHITECTURE
ALGORITHM
SIGNAL
PROCESSOR
ASP
PHYSICAL
LAYER
PROCESSOR
PLP
µC
BASEBAND
CONVERTER
BBC
RADIO
SUBSYSTEM
512K x 16
ROM
128K x 8
RAM
DISPLAY
2K x 8
EEPROM
KEYPAD
SIM
AD20msp410
GSM CHIPSET
GENERAL DESCRIPTION
The Analog Devices GSM baseband processing chipset provides
a competitive solution for GSM based mobile radio systems. It
is designed to be fully integrated, easy to use, and compatible
with a wide range of product solutions. GSM phones using this
chipset and its accompanying Layer 1, 2, 3 software have passed
the European GSM full type approval process.
The chipset consists of three highly integrated, sub-micron, low
power CMOS components that form the core baseband signal
processing of the GSM handset. The system architecture is
designed to be easily integrated into current designs and form
the basis of next generation of designs.
The chipset uses an operating voltage of 2.7 V to 3.6 V, which
coupled with the extensive power management features,
significantly reduces the drain on battery power and extends the
handset’s talktime and standby time.
CHIPSET COMPONENTS
Algorithm Signal Processor (ASP)
The ASP is an application specific variant of the ADSP-2171
standard DSP from Analog Devices. It has been optimized to
meet the cost, size and power consumption requirements of
GSM mobile applications. All necessary memory to run the
GSM specific programs is provided on-chip and with its
FEATURES
Passed European GSM Phase I Type Approval
Complete Baseband Processing Chipset Performs:
Speech Coding/Decoding, According to GSM 06.XX
DTMF and Call Progress Tone Generation
Equalization with 16-State Viterbi, Soft Decision
Channel Coding/Decoding According to GSM 05.03
All ADC and DAC Interface Functions
Includes all Radio, Auxiliary and Voice Interfaces
Support for GSM Data Services
Embedded 16-Bit Microcontroller
Layer 1 Software Provided with Chipset
Full Phase 2 Protocol Stack Software Available
Integrated SIM- and Keyboard Interface
Ultralow Power Design
2.7 V Operating Voltage
Intelligent Power Management Features
Up to 70 Hours Standby Time Achievable
JTAG-Boundary Scan
Full Reference Design Available
Three TQFP Devices, Occupying Less than 12 cm
2
APPLICATIONS
GSM/DCS1800 Mobile Radios and PCMCIA Cards
preprogrammed ROM, no user programming is required. The
ASP implements full rate speech transcoding according to GSM
specifications, including Discontinuous Transmission (DTX)
and Comfort Noise Insertion (CNI). A high performance soft-
decision Viterbi equalizer is also implemented in software,
embedded in the ROM.
Physical Layer Processor (PLP)
The PLP combines application specific hardware and an
embedded 16-bit microcontroller (Hitachi H8/300H) to
perform channel coding and decoding and execute the protocol
stack and user software. The embedded processor executes the
Layer 1, 2, 3 and user MMI software. The PLP can control all
powerdown functions of the other chips and memory support
components to achieve maximum power savings.
Baseband Converter (BBC)
The BBC performs the voiceband and baseband analog-to-
digital and digital-to-analog conversions, interfacing the digital
sections of the chipset to the microphone, loudspeaker and radio
section. In addition, the BBC contains all the auxiliary convert-
ers for burst-ramping, AFC, AGC, battery and temperature
monitoring. The chipset interfaces directly with a variety of
industry standard radio architectures and supplies all the
synthesizer and timing control signals.


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