Z89373

P R E L I M I N A R Y Z89323/373/393 16-BIT D IGITAL SIGNAL PROCESSORS PRELIMINARY CUSTOMERPROCUREMENTSPECIFICATION Z89323/373/393 16-BITDIGITAL SIGNAL PROCESSORS FEATURES DSP ROM OTP DSP RAM Device (K Words) (K Words) (Words) Z89323 Z89373 Z89393 * External Max Core MIPS 20 16 20 Package Device Z89323 Z89373 Z89393 44-Pin PLCC 68-Pin PLCC 44-Pin QFP 80-Pin 100-Pin QFP QFP 8 8 64* 512 512 512 s Operating Temperature Ranges: 0°C to +70°C (Standard) –40°C to +85° C (Extended) 4.5- to 5.5-Volt Operating Range On-Board Peripherals s s s s 4-Channel, 8-Bit Analog to Digital Converter (A/D) On-Board Serial Peripheral Interface (SPI) Up to 40 Bits of Programmable I/O Two Channels of Programmable Pulse Width Modulators (PWM) Three General-Purpose Timer/Counters Two Watch-Dog Timers (WDT) Programmable PLL Three Vectored Interrupts Servicing Eight Interrupt Sources Power-Down and Power-On Reset s DSP Core s s s s s s 20 MIPS @ 20 MHz, 16-Bit Fixed Point DSP 50 ns Instruction Cycle Time s Single-Cycle Multiply and ALU Operations s Two Internal Data Buses and Address Generators s Six Register Address Pointers s Optimized Instruction Set (30 Instructions) s GENERAL DESCRIPTION The Z89323/373/393 DSP family of products builds on Zilog's first generation Z893XX DSP core, integrating several peripherals especially well suited for cost-effective voice, telephony, and control applications. These DSP devices feature a modified Harvard architecture supported by one progra...