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Z89167 Datasheet(PDF) 1 Page - Zilog, Inc. |
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Z89167 Datasheet(HTML) 1 Page - Zilog, Inc. |
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1 / 22 page  1 Z89165/166/167/168/169 DTAD CONTROLLERS ZILOG CP96TAD0103 FEATURES s 25 Expanded Register Files s 47 Input/Output Lines (Z89165) 31 Input/Output Lines (Z89166) 43 Input/Output Lines (Core Processor) s Six Vectored, Prioritized Z8 Interrupts with Programmable Polarity s Three Vectored, Prioritized DSP Interrupts with Programmable Polarity s Two Analog Comparators s Two Programmable Z8 8-Bit Counter/Timers, Each with Two 6-Bit Programmable Prescaler s Watch-Dog Timer /Power-On Reset s On-Chip Oscillator that Accepts a Crystal, Ceramic Resonator, LC, RC, or External Clock Drive s RAM and ROM Protect, Low-EMI Option CUSTOMER PROCUREMENT SPECIFICATION s Part Z8 ROM Z8 RAM* Speed Number (KBytes) (KBytes) (MHz) Z89165 24 236 20 Z89166 ROMless 236 20 Z89167 24 236 24 Z89168 ROMless 236 24 Z89169 32 236 24 *General-Purpose s Part DSP ROM DSP RAM Speed Number (Words) (Words) (MHz) Z89165 6K 512 20 Z89166 6K 512 20 Z89167 8K 512 24 Z89168 8K 512 24 Z89169 8K 512 24 s 68- and 84-Pin PLCC Packages s 4.5- to 5.5-Volt Operating Range s Low-Power Consumption (200 mW Typical) 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 mailbox registers and an interrupt system, enabling DSP or Z8 programs to be directed by events in each other's domain. The Z8 microcontroller uses an expanded register file to allow access to register-mapped peripheral and I/O circuits for programming versatility. The 16-bit DSP processor features a 24-bit ALU and accumulator with single-cycle instructions, providing the algorithm processing power necessary for telephone voice quality. Z89165/167/169 AND Z89166/168 (ROMLESS) ENHANCED DUAL-PROCESSOR DTAD CONTROLLERS The Z89165/166 devices offer a half-flash 8-bit A/D converter with up to 128 kHz sample rate and a 10-bit Pulse-Width modulator (PWM) D/A converter, eliminating the need for an external CODEC. The Z89167/168/169 devices feature a hardware ARAM interface, as well as a dual-CODEC interface. A 10-bit PWM D/A converter is also on-chip. Notes: All Signals with a preceding front slash, "/", are active Low, e.g.: B//W (WORD is active Low); /B/W (BYTE is active Low, only). Power connections follow conventional descriptions below: Connection Circuit Device Power V CC V DD Ground GND V SS |
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