Z89340 datasheet(1/30 Pages) ZILOG

部品番号	Z89340

部品情報	Digital Wavetable Engine

PDF	30 Pages

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メーカー	ZILOG [Zilog, Inc.]

ホームページ	http://www.zilog.com

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DS96DSP0201

P R E L I M I N A R Y

1-1

1

PRELIMINARY CUSTOMER PROCUREMENT SPECIFICATION

Z89340

1

DIGITAL WAVETABLE ENGINE

FEATURES

s

64 High-Speed Audio Processing Units (APUs) or 128

Half-Speed APUs

s

3-D Sound Capability

s

Downloadable Sample Capability

s

8-Channel, 20-Bit Linear PCM Audio Generator

s

Output Sampling Rates up to 50 kHz

s

Supports 16-, 18-, and 20-Bit Serial DACS – Greater

than 96 Db Dynamic Range

s

Supports 16- and 8-Bit Linear PCM Sampling, ADPCM,

and Wavetable Synthesis, Variable Playback Rates for

ADPCM

s

Internal 24-Bit Audio Accumulators

s

Addresses 16M x 16 Sample ROM Directly (No Paging

Necessary)

s

Jumperless Configurable ISA Bus Interface

s

Sound Blaster and OPL3 Register Compatibility,

MPU401 UART Mode Compatible

s

Built-In 64-Channel Bus-Mastering DMA Controller

s

FM Emulation

GENERAL DESCRIPTION

The Z89340 is a high-performance, programmable wave-

table engine designed for musical instruments, general

MIDI (Musical Instrument Digital Interface) sound modules,

digital mixing consoles with high-quality PC sound cards,

and computer-controlled multimedia applications.

This

device

features

a

24-bit

address

bus

for

addressing16-bit sample-storage ROM and DRAM (DRAM

refresh controller on-board), a 12x16 two’s-complement

scaler, eight 24-bit accumulators with clipping circuitry, a

2x8x16 interpolator to allow a high resolution of phase an-

gles between input samples, CD-quality sampling rates,

and 64 high-speed audio processing units (APUs) that can

be split into two low-speed APUs that operate at half the

sampling rate, allowing up to 128 notes to play simulta-

neously. All APUs are independent and can address any

part of data storage at any time.

The Z89340 can operate at output sampling rates up to 50

kHz, and offers eight channels of 16- to 20-bit serial output

data. The microprocessor interface allows full control of

frequency, amplitude, and sample data input to each oscil-

lator. The Z89340 features eight output registers, and their

contents can be sent to DAC or CODEC. Four of these can

be used for quadraphonic output, and have a panning

mechanism called Polar Pan that supports motion in all

four quadrants.

The other four output registers are used internally as ef-

fects channels, but can still send their data streams to a

DAC, a second Z89340, or other digital signal processor.

The Z89340 also has eight serial input data registers. In

addition, there are 24 stereo submix register pairs for use

in sending output data from one APU to be used as the in-

put to another.

In particular, the Z89340 is well-suited for 8- and 16-bit lin-

ear PCM recording/playback, wave synthesis, Sound

Blaster command set, and ADPCM (IMA/DVI) real-time de-

compression.

Part Number

Speed

Package

Z89340

50 MHz

160-Pin QFP

同様の部品番号 - Z89340

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