SNC589 查看數據表（PDF） - Sonix Technology Co., Ltd

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产品描述 (功能)

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SNC589

Two Channel Direct Drive Speech Controller

Sonix Technology Co., Ltd 

3 Block Diagram

SNC589

Two Channel Direct Drive Speech Controller

ROM

Program/Speech

184K×10 bits

Address Pointers/ STACK

Timing

Generator

OSC

SRAM (128 nibbles)

Sampling Rate Counter × 2

PWM

Timer

ALU

Voice

Synthesizer

D/A

IO1

IO2

IO3

IO4

IO5

IO6

4 PIN ASSIGNMENT

Symbol

P13 ~ P10

P23 ~ P20

P33 ~ P30

P43 ~ P40

P53 ~ P50

P63 ~ P60

VDD

GND

RST

OSC

BUO1/VO

BUO2

I/O Function Description

I Bit3 ~ Bit0 of Input port 1

I/O Bit3 ~ Bit0 of I/O port 2

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

O Bit3 ~ Bit0 of Output port 4

O Bit3 ~ Bit0 of Output port 5

I/O Bit3 ~ Bit0 of I/O port 6

P Positive power supply

P Negative power supply

I Reset pin (active high)

O Oscillator / Crystal Out

O Positive Output of PWM or DA output

O Negative Output of PWM

Ver: 1.3

2

August 26, 2003

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