Z89135 - Low-Cost DTAD Controller

Datasheet Summary

Description

The Z89135/136 is a fully integrated, dual processor controller designed for low-cost digital telephone answering machines.

The I/O control processor is a Z8® MCU with 24 KB of program memory, two 8-bit counter/timers, and up to 47 I/O pins.

Features

Device Z89135 Z89136 s s s s s s s s s s s s s s s s 1 ROM (KB) 24 24 RAM.
(Bytes) 256 256 I/O Lines 47 47 Speed (MHz) 20 20 Clock Speed of 20.48 MHz 16-Bit Digital Signal Processor (DSP) 6K Word DSP Program ROM 512 Words On-Chip DSP RAM 8-Bit A/D Converter with up to 128 kHz Sample Rate 10-Bit PWM D/A Converter (4 kHz to 64 kHz) Three Vectored, Prioritized DSP Interrupts Two DSP Timers to Support Different A/D and D/A Sampling Rates Z8 and DSP Operation in Parallel IBM® PC-Based Devel.

Zilog.

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Datasheet Details

Part number	Z89135
Manufacturer	Zilog.
File Size	328.80 KB
Description	Low-Cost DTAD Controller
Datasheet	Z89135 Datasheet
Additional preview pages of the Z89135 datasheet.

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Full PDF Text Transcription

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PRELIMINARY PRODUCT SPECIFICATION 1 Z89135/Z89136 LOW-COST DTAD CONTROLLER FEATURES Device Z89135 Z89136 s s s s s s s s s s s s s s s s 1 ROM (KB) 24 24 RAM* (Bytes) 256 256 I/O Lines 47 47 Speed (MHz) 20 20 Clock Speed of 20.48 MHz 16-Bit Digital Signal Processor (DSP) 6K Word DSP Program ROM 512 Words On-Chip DSP RAM 8-Bit A/D Converter with up to 128 kHz Sample Rate 10-Bit PWM D/A Converter (4 kHz to 64 kHz) Three Vectored, Prioritized DSP Interrupts Two DSP Timers to Support Different A/D and D/A Sampling Rates Z8 and DSP Operation in Parallel IBM® PC-Based Development Tools Developer’s Toolbox for T.A.M.

Published: Apr 16, 2005 |