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AMIS-30585 Datasheet

S-FSK PLC Modem

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AMIS-30585
S-FSK PLC Modem
General Description
The AMIS30585 is a half duplex SFSK modem and is dedicated
for the data transmission on lowor mediumvoltage power lines.
The device offers complete handling of the protocol layers from the
physical up to the MAC. AMIS30585 complies with the EN 50065
CENELEC, IEC 1334432 and the IEC 133451 standards.
It operates from a single 3.3 V power supply and is interfaced to the
power line by an external power driver and transformer. An internal
PLL is locked to the mains frequency (50 Hz or 60 Hz) and is used to
synchronize the data transmission at data rates of 300, 600 and 1200
baud for a 50 Hz mains frequency, corresponding to 3.6 or 12 data bits
per half cycle of the mains frequency (50 Hz or 60 Hz).
Features
Complies with IEC 133451 and IEC 1334432
Suited for 50 Hz or 60 Hz Mains
Complete Modem for Data Communication on Power Line
SFSK Modulation
Programmable Carrier in the Range of 9 kHz to 95 kHz
Half Duplex up to 1440 bit/s
Supports Chorus Transmission
Programmable Configuration
Internal ARM Microprocessor
Serial Communication Interface (SCI) Port
Low Power, 3 V Operation
This is a PbFree Device*
www.DatAaSphpeleict4aUti.oconms
IEC1334Utility PLC Modem
Remote Meter Reading
Utility Load Controls
*For additional information on our PbFree strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
http://onsemi.com
1
PLCC 28
A SUFFIX
CASE 776AA
MARKING DIAGRAM
AMIS30585AGA = Specific Device Code
XXXX = Date Code
Y = Plant Identifier
ZZ = Traceability Code
G = PbFree Package
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
© Semiconductor Components Industries, LLC, 2008
December, 2008 Rev. 2
1
Publication Order Number:
AMIS30585/D


  ON Semiconductor Electronic Components Datasheet  

AMIS-30585 Datasheet

S-FSK PLC Modem

No Preview Available !

AMIS30585
ORDERING INFORMATION
Product Name
AMIS30585AGA
Ordering Code (Tubes)
0C585002XTD
Package
PLCC 28 452 G
Temperature Range
25°C to 70°C
Figure 1. SFSK Modem AMIS30585 Block Diagram
Description
The AMIS30585 is a single chip modem dedicated to
power line carrier (PLC) communication in compliance to
the European standard IEC 133451 and IEC 1334432.
SFSK is a modulation and demodulation technique that
combines some of the advantages of a classical spread
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(low complexity). The transmitter assigns the space
frequency fs to “data 0” and the mark frequency fm to “data
1”. The difference between SFSK and the classical FSK
lies in the fact that fs and fm are now placed far from each
other, making their transmission quality independent from
each other (the strengths of the small interferences and the
signal attenuation are both independent at the two
frequencies). The frequency pairs supported by the
AMIS30585 are in the range of 995 kHz with a typical
separation of 10 kHz.
The circuit is mostly digital. The conversion of the analog
signal is performed at the frontend of the circuit. The
processing of the signal and the handling of the protocol is
digital. At the backend side, the interface to the application
is done through a serial interface. The digital processing of
the signal is partitioned between hardwired blocks and a
microprocessor block. The microprocessor is controlled by
firmware. Where timing is most critical, the functions are
implemented with dedicated hardware. For the functions
where the timing is less critical, typically the higher level
functions, the circuit makes use of the ARM 7TDMI
microprocessor core.
The processor runs DSP algorithms and, at the same time,
handles the communication protocol. The communication
protocol, in this application, contains the MAC = Medium
Access Control Layer. The program running on the
microprocessor is stored into an onboard ROM. The
working data necessary for the processing is stored in an
internal RAM. For the backend side, the link to the
application hardware, a SCI is provided. The SCI is an easy
to use serial interface, which allows communication
between an external processor used for the application
software and the AMIS30585 modem. The SCI works on
two wires: TXD and RXD. Baud rate is programmed by
setting 2 bits (BR0, BR1).
Due to the handling of the low protocol layers in the
circuit, the AMIS30585 provides an innovative
architectural split. Thanks to this, the user has the benefit of
a higher level interface of the link to the PLC medium.
Compared to an interface at the physical level, the
AMIS30585 allows faster development of applications.
The user just needs to send the raw data to the AMIS30585
and no longer has to take care of the protocol detail of the
transmission over the specific medium. This last part
represents usually 50 percent of the software development
costs.
http://onsemi.com
2


Part Number AMIS-30585
Description S-FSK PLC Modem
Maker ON Semiconductor
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AMIS-30585 Datasheet PDF






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