W528S20 View Datasheet(PDF) - Winbond

Part Name

Description

Manufacturer

W528S20

ADPCM VOICE SYNTHESIZER (PowerSpeech)

Winbond 

W528SXX

b. Level-Hold Trigger Mode

0: LD EN, 0x11

; Enable TG1 rising/falling edge input.

H4 + sound1 + T4

JP 0

; Repeat sound1 until TG1 key released.

4: END

; As soon as TG1 key is released, execute this group entry.

The timing diagram is shown below:

case 1:

TG1:

case 2:

TG1:

AUD:

Stop Immediately

AUD:

Sound 1

Stop Immediately

c. Complete-Cycle Level Hold

0: LD EN, 0x01

; Enable TG1 falling edge only.

H4 + sound1 + T4

JP 0 @TG1_LOW ; If TG1 status is low level voltage (trigger is pressed), then j ump

to 0;

if not, execute next instruction (END).

END

The timing diagram is shown below:

case 1:

TG1:

case 2:

TG1:

AUD:

Sound 1

AUD:

Sound 1 Sound 1

d. Single-Cycle Level Hold

0: LD EN, 0x11

; Enable both falling and rising edge input of TG1.

H4 + sound1 + T4

END

•

•

•

4: END

; As soon as TG1 is key released, execute this group entry.

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Publication Release Date: Nov 2000

Revision A1

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