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Z89136 - Low-Cost DTAD Controller

General 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.

Key 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.

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Datasheet Details

Part number Z89136
Manufacturer Zilog.
File Size 328.80 KB
Description Low-Cost DTAD Controller
Datasheet download datasheet Z89136 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.