DTAD CONTROLLERS
ZILOG
Z89165/166/167/168/169 DTAD CONTROLLERS
CUSTOMER PROCUREMENT SPECIFICATION
Z89165/167/169 AND Z89166/168 (ROMLE...
Description
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...
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