Overview

The LC74793/JM is a CMOS IC that provides PDS, VPS, and UDT data acquisition functions. The LC74793/JM supports microprocessor control of its operating modes and microprocessor read out of data acquired in any of its operating modes.

Features

• VPS data acquisition (5 or 11 to 15 bytes) VPS: Video Program System

• PDC (8/30/2) data acquisition (13 to 25 bytes) PDC: Program Delivery Control

• UDT (8/30/1) data acquisition (13 to 25 bytes) UDT: Unified Date and Time

• Header (X/00) data acquisition (14 to 45 bytes)

• Status display (8/30/1, 8/30/2) data acquisition (26 to 45 bytes)

• Automatic VPS/PDC discrimination mode

• Built-in AFC and sync separator circuits

• Synchronization discrimination circuit

• I2C bus support