SNC205S データシートの表示（PDF） - Sonix Technology Co., Ltd

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コンポーネント説明

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SNC205S

Direct Drive Speech Controller

Sonix Technology Co., Ltd 

SNC205S

Direct Drive Speech Controller

5.6. Event Mark

This is a new function for SNC205S, 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: 1.2

5

Sept 20, 2007

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