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参数资料
| 型号： | YMF721-S |
| 元件分类： | 音频合成 |
| 英文描述： | SPEECH SYNTHESIZER, PQFP100 |
| 封装： | SQFP-100 |
| 文件页数： | 22/41页 |
| 文件大小： | 324K |
| 代理商： | YMF721-S |
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YMF721
July 10, 1997
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Command 81h
Sub Command 00h : Get OPL4-MLx Information
Since the synthesizer of YMF721(OPL4-ML2) is the same as YMF295(OPL4-D), the character
string of "OPL4D" is obtained as described below.
Command 82h
These commands are used to know information about the internal Wavetable sample ROM.
Sub Command 00h : Get Wave ROM Copyright Data
This command is used to know capacity of internal processor. As the strings, character strings of
"copyright yamaha corporation"(28bytes) are returned.
Sub Command 01h : Get Wave ROM Version
This command is used to know version number of internal Wavetable sample ROM.
YMF704C(OPL4-ML) : Version 1.02
YMF721C(OPL4-ML2) : Version 1.03
Command
Response
81h
Command byte
87h
Response 1st byte
00h
Sub Command
4Fh “O”
00h
Check sum
50h “P”
4Ch “L”
ID Strings
34h “4”
44h “D”
00h
Strings Last Code
1Dh
Check sum
Command
Response
82h
Command byte
9Eh
Response 1st byte
00h
Sub Command
00h
Check sum
strings
Copyright Data
00h
Strings Last Code
46h
Check sum
Command
Response
82h
Command byte
84h
Response 1st byte
01h
Sub Command
01h
Integer part of version number
7Fh
Check sum
00h
First decimal place of version number
03h
Second decimal place of version number
7Ch
Check sum
相关PDF资料 |
PDF描述 |
|---|---|
| YMF721 | FM + Wavetable Synthesizer LSI |
| YMF724F-V | SPECIALTY CONSUMER CIRCUIT, PQFP144 |
| YMF724 | high performance audio controller for the PCI Bus |
| YMF724F | high performance audio controller for the PCI Bus |
| YMF724F-V | high performance audio controller for the PCI Bus |
相关代理商/技术参数 |
参数描述 |
|---|---|
| YMF724 | 制造商:YAMAHA 制造商全称:YAMAHA CORPORATION 功能描述:high performance audio controller for the PCI Bus |
| YMF724F | 制造商:YAMAHA 制造商全称:YAMAHA CORPORATION 功能描述:high performance audio controller for the PCI Bus |
| YMF724F-V | 制造商:YAMAHA 制造商全称:YAMAHA CORPORATION 功能描述:high performance audio controller for the PCI Bus |
| YMF740C | 制造商:未知厂家 制造商全称:未知厂家 功能描述:DS-1L |
| YMF740CV | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Industrial Control IC |
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