Datasheet > SNC735

SNC735

更新时间： 2024-11-10 22:42:55

品牌	Logo	应用领域
松翰 - SONIX		/
页数	文件大小	规格书
15页	231K
描述
16-bit Voice Processor

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数据手册

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SNC735 数据手册

SNC735

16-bit Voice Processor

1. INTRODUCTION

SNC735 is a 32mins two-channel speech/melody and 4-channel wave-table melody

voice chip. It based on reduced 16-bit fixed-point DSP architecture. SNC735 provides

user some necessary and efficient DSP instructions. Furthermore, SNC735 provide one

10-bit PWM and one 10-bit DA converter to driving speaker for speech/melody output.

User can select PWM or DA by programming DA/PWM control register, and only one

function can be active at the same time.

2. FEATURES

Power supply: 2.4V ~ 3.6V (for 2 battery application)

3.6V ~ 5.1V (for 3 battery application)

Built-in a 16-bit DSP (Very Light Structure)

Software-based voice/melody processing

Rich Function Instruction Set

System Clock

16MHz crystal or R-C type oscillator for system clock

0.25s real time clock is form 32768Hz crystal

8 MIPS CPU performance

I/O Ports:

16 I/O pins (P0.0~P0.15) and 8 input pins (P1.0~P1.7)

P0.15 with IR carrier signal

RAM size: 2K*16 bits

High performance program ROM: 32K*16 bits

Data ROM size: 224K*16 bits

Total ROM size: 256K*16 bits

Maximum program size: 64K word

8 Interrupt Sources

4 for Internal Timer (timer0, 1, 2 and RTC)

4 for External (P0.0~P0.3)

Two voice/melody channels

Three 8-bit timer with auto-reload function

Built in a 10-bit PWM Direct Drive circuit and a fixed current D/A output

Sampling Rate: 6KHz ~16KHz

Built-in software voice synthesizer (multiple bit-rate solution 2Kbps, 3.6Kbps, 5Kbps,

6Kbps, 8Kbps, 10Kbps, 12Kbps, 14Kbps, 16Kbps, 20Kbps, 24Kbps and 29Kbps

@8K sampling rate)

Built-in software melody synthesizer includes the dual-tone melody and 4-ch

wave-table melody.

Low Voltage Reset

Ver: 1.2

October 23, 2002

12 3 4 5 6 7...15

中文翻译

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