SNC201 View Datasheet(PDF) - Sonix Technology Co., Ltd

Part Name

Description

Manufacturer

SNC201

Direct Drive Speech Controller

Sonix Technology Co., Ltd 

3. Block Diagram

SNC201

Direct Drive Speech Controller

ROM

Program/Speech

10K×10 bits

Address Pointers/ STACK

Timing

Generator

OSC

SRAM (32 nibbles)

Sampling Rate Counter

Timer

ALU

Voice

Synthesizer

IO3

PWM

D/A

4. PIN ASSIGNMENT

Symbol

I/O Function Description

P33 ~ P30

I/O Bit3 ~ Bit0 of I/O port 3

VDD

P Positive power supply

GND

P Negative power supply

RST

I Reset pin (active high)

OSC

O Oscillator / Crystal Out

BUO1/VO

O Positive Output of PWM or DA output

BUO2

O Negative Output of PWM

Ver: 1.1

3

June 8, 2005

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