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GENERAL DESCRIPTION

Zilogs Z86250 StarSight Data Base Engine (DBE) is designed to process extracted data for the StarSight on-screen programming guide. The device is logically equivalent to the DBE1200 for StarSight applications.

The Z86250 provides a number of important peripheral functions, such as the IR Blaster to send command signals to the VCR, and low-power management to avoid loss of data.

FEATURES

■ Part Package Speed (MHz)

Z86250 84-Pin PLCC 24

■ 4.3- to 5.5-Volt Operating Range

■ 0°C to +70°C Temperature Range

■ Low-Power Consumption

■ Segmented Base Registers

■ Infrared Receiver Logic

■ CRC-32 Encoding and Decoding Logic

■ Watch-Dog Timer (WDT) for Error Recovery

■ Serial I.M. and I2C Compatible Bus for External Communication

■ Test Multiplexer for Chip Debug