SNC201 Просмотр технического описания (PDF) - Sonix Technology Co., Ltd

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SNC201

Direct Drive Speech Controller

Sonix Technology Co., Ltd 

SNC201

Direct Drive Speech Controller

5.6. Event Mark

This is a new function for SNC201, it allows user to add a special mark in wave data by

the voice edit tool “CoolEdit”. User can insert event tags in anywhere of his wave file

and can easy to get this special code to do his special action during voice playing. That

means, it should be easily to control the I/O (such as LED or motor) and other actions

to synchronize with voice.

5.7. I/O Ports

P3 is a 4-bit I/O ports. Any bit of P3 can be programmed as either input or output port

individually. Any valid data transition (H L or L H) of P3 can reactivate the chip

when the chip is in power-down mode.

Port Data

Port Status

PAD

Weak

To Internal Data Bus

Read Control

I/O Port Configuration (P30~P33)

Note:

(1) Weak N-MOS’s can serve as pull-low resistors.

(2) The driving and sink current of P3.2 and P3.3 are enhance to be 8mA/16mA.

So user can direct to drive the LED through those two I/O pins.

Ver: 1.1

5

June 8, 2005

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