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W528S08 Datasheet

  • W528S08

  • 15頁

  • ETC

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W528XXX
ADPCM VOICE SYNTHESIZER
(Power Speech )
TM
GENERAL DESCRIPTION
The W528xxx family are programmable speech synthesis ICs that utilize the ADPCM coding method
to generate all types of voice effects.
The W528xxx's LOAD and JUMP commands and four programmable registers provide powerful user-
programmable functions that make this chip suitable for an extremely wide range of speech IC
applications.
The W528xxx family includes 12 kinds of bodies which are the same except for the voice duration
shown below:
BODY
Second
BODY
Second
W528S03
3 Sec
W528S20
20 Sec
W528S05
5 Sec
W528S25
25 Sec
W528S08
8 Sec
W528S30
30 Sec
W528S10
10 Sec
W528S40
40 Sec
W528S12
12 Sec
W528S50
50 Sec
W528S15
15 Sec
W528S60
60 Sec
Note: The voice durations are estimated by 6.4KHz sampling rate.
FEATURES
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Programmable speech synthesizer
Wide operating voltage range: 2.4 to 5.5 volts
4-bit ADPCM synthesis method
Provides 4 direct trigger inputs that can easily be extended to 8 or 12 matrix trigger inputs
Two trigger input debounce times (50 mS or 400
碌S)
can be set
Provides up to 2 LEDs and 3 STOP outputs
Every LED pin can drive 3 LEDs simultaneously
LED flash frequency: 3 Hz
AUD output current: 5 mA
Flexible functions programmable through the following:
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LD (load), JP (jump) commands
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Four registers: R0, EN, STOP, and MODE
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Conditional instructions
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Speech equation
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END instruction
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Global repeat (GR) setting
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Output frequency and LED flash type setting
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Programmable power-on initialization (POI) (can be interrupted by trigger inputs)
-1-
Publication Release Date: March 1999
Revision A1

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