z89138 ZiLOG Semiconductor, z89138 Datasheet

z89138

Manufacturer Part Number

z89138

Description

Voice Processing Controllers

Manufacturer

ZiLOG Semiconductor

Datasheet

1.Z89138.pdf (66 pages)

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FEATURES

Note: *General-Purpose

GENERAL DESCRIPTION

The Z89138/Z89139 is a fully integrated, dual processor

controller designed for voice processing applications. The

I/O control processor is a Z8

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 accu-

mulator, 512x16 bits of RAM, single cycle instructions, and

6K 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 sampling rates for

the converters are programmable. The precision of the 8-

bit A/D can be extended by resampling the data at a lower

rate in software. The Z8 and DSP processors are coupled

by mailbox registers and an interrupt system. DSP or Z8

DS97TAD0201

Z89138

Z89139

Device

Watch-Dog Timer and Power-On Reset

Improved Low-Power STOP Mode

On-Chip Oscillator that Accepts a Crystal or External

Clock Drive

Improved Global Power-Down Mode

Low-Power Consumption - 200 mW (typical)

Two Comparators

RAM and ROM Protect

On-Board Oscillator for 32.768 kHz Real-Time Clock

ROM

(KB)

(Bytes)

RAM*

256

MCU with 24 KB of program

Lines

I/O

4.5V to 5.5V

RELIMINARY

Voltage

Range

P R E L I M I N A R Y

Z89138/

Z89139 (ROMLESS)

IBM is a registered trademark of IBM Corporation.

programs can be directed by events in each other’s do-

main.

The Z89139 is the ROMless version of the Z89138. How-

ever, the on-chip DSP is not ROMless.

Notes: All Signals with a preceding front slash, "/", are ac-

tive Low. For example, B//W (WORD is active Low); /B/W

(BYTE is active Low, only).

OICE

USTOMER

Clock Speeds of 20.48 or 29.49 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 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

Developer’s Toolbox for T.A.M. Applications

PC-Based Development Tools

ROCESSING

ROCUREMENT

ONTROLLERS

PECIFICATION

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