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The ST7538 is a Half Duplex synchronous/asyn-
chronous FSK Modem designed for power line
communication network applications. It operates
from a single supply voltage and integrates a line
driver and a 5V linear regulator. The device oper-
ation is controlled by means of an internal register,
programmable through the synchronous serial interface. Additional functions as watchdog, clock
output, output voltage and current control, pream-
ble detection, time-out, band in use are included.
Realized in Multipower BCDV technology that allows to integrate DMOS, Bipolar and CMOS structures in the same chip.