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General Purpose Controller / Memory Chip for Hearing Instruments
GP521 - DATA SHEET
FEATURES • general purpose • EEPROM non-volatile memory • 8 programmable current sink (PCS) control outputs • can be configured with 6 PCS outputs for hearing instruments (two switchable, four non-switchable) • status register • data transmission error detection • synchronization of GP521 internal clocks with program unit clock STANDARD PACKAGING • Chip (129 x 112 mils) Au Bump DESCRIPTION The GP521 is a general purpose controller/memory chip intended for use with audio signal path circuits in programmable hearing instruments. The GP521 uses a flexible communication standard which allows room for future growth in programmable functions for hearing instruments.