Z89175 - Zilog.

Z89175 Voice Processing Controllers

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 RO.

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 s s s s s s s s s s s s s 1 2 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-.