Z89169

ZILOG Z89165/166/167/168/169 DTAD CONTROLLERS CUSTOMER PROCUREMENT SPECIFICATION Z89165/167/169 AND Z89166/168 (ROMLESS) ENHANCED D UAL-PROCESSOR DTAD CONTROLLERS FEATURES s Part Number Z8 ROM (KBytes) Z8 RAM* (KBytes) 236 236 236 236 236 Speed (MHz) 20 20 24 24 24 s s 25 Expanded Register Files 47 Input/Output Lines (Z89165) 31 Input/Output Lines (Z89166) 43 Input/Output Lines (Core Processor) Six Vectored, Prioritized Z8 Interrupts with Programmable Polarity Three Vectored, Prioritized DSP Interrupts with Programmable Polarity Two Analog Comparators Two Programmable Z8 8-Bit Counter/Timers, Each with Two 6-Bit Programmable Prescaler Watch-Dog Timer /Power-On Reset On-Chip Oscillator that Accepts a Crystal, Ceramic Resonator, LC, RC, or External Clock Drive RAM and ROM Protect, Low-EMI Option Z89165 24 Z89166 ROMless Z89167 24 Z89168 ROMless Z89169 32 *General-Purpose s s Part Number Z89165 Z89166 Z89167 Z89168 Z89169 DSP ROM (Words) 6K 6K 8K 8K 8K DSP RAM (Words) 512 512 512 512 512 Speed (MHz) 20 20 24 24 24 s s s s s s s 68- and 84-Pin PLCC Packages 4.5- to 5.5-Volt Operating Range Low-Power Consumption (200 mW Typical) s s s 0°C to +70°C Temperature Range GENERAL DESCRIPTION Zilog's Digital Voice Processor Controller family combines a Z8® microcontroller and a DSP processor on-chip for a cost-effective turnkey system in digital telephone answering devices and other voice processing applications. The dual-processor architecture is loosely coupled by ma...