SDA5649X - Siemens

SDA5649X Expanded Decoder for Program Delivery Control and Video Program System EPDC / VPS Decoder

Package P-DIP-14-3 P-DSO-20-1 Tape & Reel The CMOS circuit SDA 5649 is intended for use in video cassette recorders to retrieve control data of the PDC system from the data lines broadcast during the vertical blanking interval of a standard video signal. The SDA 5649 is devised to handle PDC data transported either in Broadcast Data Service Packet (BDSP) 8.

Features

q Single-chip receiver for PDC data, broadcast either q q q q q q q q q q q q
  – in Broadcast Data Service Packet (BDSP) 8/30/2 according to CCIR teletext system B, or
  – in dedicated line no. 16 of the vertical blanking interval (VPS) Reception of Unified Date and Time (UDT), Network Identification code (NIC), and Short Program Label (SPL) broadcast in BDSP 8/30/1 Reception of bytes no.38 through 45 of teletext header row containing clock time Low external components count On-chip data and sync slicer I2C-Bus interface for communication with external microcontroller Selection of PDC/VPS oper.