On Semi 公司的AMIS-49587是電力線載波(PLC)調制解調器,把模擬調制解調器前端和數字后處理功能集成在單芯片上.它基于ARM7TDMI處理器內核，包含物理接口收發器(PHY)和媒體訪問控制器(MAC)層. AMIS-49587采用擴頻型移頻鍵控(S-FSK)調制技術，結合精確的濾波，提供長距離電力線的強固低數據率通信，及2,400 bps(波特)的半雙工可調節通信速率. AMIS-49587符合IEC1334標準,主要應用于智能電力自動讀表及管理、街道照明控制、智能電力插頭和建筑物自動化等等。本文介紹了AMIS-49587主要特性,方框圖, 發送器方框圖, 接收器模擬通路, 50/60Hz抑制濾波器外接元件連接圖和典型應用案例框圖.
ON Semiconductor’s AMIS−49587 is an IEC1334 compliant power line carrier modem using spread−FSK (S−FSK) modulation for robust low data rate communication over power lines. AMIS−49587 is built around an ARM 7TDMI processor core, and includes the MAC layer.
With this robust modulation technique, signals on the power lines can pass long distances. The half−duplex operation is automatically synchronized to the mains, and can be up to 2400 bits/sec. The product configuration is done via its serial interface, which allows the user to concentrate on the development of the application.
The AMIS−49587 is implemented in ON Semiconductor mixed signal technology, combining both analog circuitry and digital functionality on the same IC.
AMIS-49587主要特性:
Power Line Carrier Modem for 50 and 60 Hz Mains
Fully Compliant to IEC1334−5−1 IEC 1334−4−32 / EN50065
Complete Handling of Protocol Layers Physical to MAC
Programmable Carrier Frequencies from 9 to 95 kHz in 10 Hz Steps
Half Duplex
Data Rate Selectable: 300–600–1200–2400 baud (50 Hz)
Synchronization on Mains
Repetition Algorithm Boost the Robustness of Communication
Other Features Under Development / Validation
SCI Port to Application Microcontroller
SCI Baudrate Selectable: 4.8–9.6–19.2–34.4 kb
Power Supply 3.3 V
Ambient Temperature Range:−40℃to +80℃
These Devices are Pb−Free and are RoHS Compliant*
AMIS-49587典型應用:
AMR: Automated Remote Meter Reading (Télérelevé)
Remote Security Control
Streetlight Control
Transmission of Alerts (Fire, Gas Leak, Water Leak)
圖1.S−FSK 調制解調器AMIS−49587方框圖
圖2.AMIS-49587發送器方框圖
圖3.AMIS-49587接收器模擬通路
圖4.接收器ADC數字通路和正交解調器方框圖
圖5.50/60Hz抑制濾波器外接元件連接圖
圖6.AMIS-49587應用案例框圖
