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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
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