Z87L10

PRELIMINARY PRODUCT SPECIFICATION 2 Z87010/Z87L10 AUDIO ENCODER/DECODERS FEATURES Device Z87010 Z87L10 ROM (Kbyte) 4 4 I/O Lines 16 16 Package Information 44-Pin PLCC 44-Pin QFP 44-Pin QFP s s s s s 2 Direct Interface to 8-Bit µ-law Telephone CODEC I/O Bus (16-Bit Tristable Data, 3-Bit Address) Wait State Generator Two External Interrupts Four Separate I/O Pins (2 Input, 2 Output) Hardware s s 16-Bit DSP Processor 3.0V to 3.6V; -20° to +70°C, Z87L10 4.5V to 5.5V, -20° to +70°C, Z87010 Static Architecture 512 Word On-Chip RAM Modified Harvard Architecture Direct Interface to Z87000 Spreader/Despreader Frequency Hopping Software s s s s Full Duplex 32 Kbps ADPCM Encoding/Decoding Single Tone and DTMF Signal Generation Sidetone, Volume Control, Mute Functions Large Phone Number Memory (21 numbers of 23 digits each) Master-Slave Protocol Interface to Z87000 Spreader/Despreader s s s s s GENERAL DESCRIPTION The Z87010/Z87L10 is a second generation CMOS Digital Signal Processor (DSP) that has been ROM-coded by Zilog to provide full-duplex 32 Kbps, Adaptive Delta Pulse Code Modulation (ADPCM) speech coding/decoding (CODEC), and interface to the Z87000/Z87L00 Spread Spectrum Cordless Telephone Controller. Together the Z87000/Z87L00 and Z87010/Z87L10 devices support the implementation of a 900 MHz frequency-hopping spread spectrum cordless telephone in conformance with United States FCC regulations for unlicensed operation. The Z87010 and Z87L10 are distinct 5V and 3.3V ver...