Voice Processing Controllers
PRELIMINARY PRODUCT SPECIFICATION
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Z89175 Z89176 (ROMLESS)
VOICE PROCESSING CONTROLLERS
FEATURES
Device Z89175 Z89176...
Description
PRELIMINARY PRODUCT SPECIFICATION
1
Z89175 Z89176 (ROMLESS)
VOICE PROCESSING CONTROLLERS
FEATURES
Device Z89175 Z89176 ROM (KB) 24 RAM* (Bytes) 256 256 I/O Lines 47 31 Voltage Range 4.5V to 5.5V 4.5V to 5.5V
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Clock Speeds of 20.48 or 29.49 MHz 16-Bit Digital Signal Processor (DSP) 8K Word DSP Program ROM 512 Words On-Chip DSP RAM 8-Bit A/D Converter with up to 16 kHz Sample Rate 10-Bit PWM D/A Converter Six Vectored, Prioritized Z8 Interrupts Three Vectored, Prioritized DSP Interrupts Two DSP Timers to Support Different A/D and D/A Sampling Rates IBM® PC-Based Development Tools Developer’s Toolbox for T.A.M. Applications
Note: *General-Purpose s s s
Watch-Dog Timer and Power-On Reset Improved Low Power Stop Mode On-Chip Oscillator which Accepts a Crystal or External Clock Drive Improved Global Power-Down Mode
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Low Power Consumption - 200 mW (typical) Two Comparators RAM and ROM Protect On-Board Oscillator for 32.768 kHz Real-Time Clock
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GENERAL DESCRIPTION
The Z89175/176 is a fully integrated, dual processor controller designed for voice processing applications. The I/O control processor is a Z8® with 24 KB of program memory, two 8-bit counter/timers, and up to 47 I/O pins. The DSP is a 16-bit processor with a 24-bit ALU and accumulator, 512x16 bits of RAM, single cycle instructions, and 8K words of program ROM. The chip also contains a half-flash 8-bit A/D converter with up to a 16 kHz sample rate and a 10-bit PWM D/A converter. The...
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