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: 21/41页
文件大小: 324K
代理商: YMF721-S
YMF721
July 10, 1997
- 28 -
Sub Command 01h : Get Processor Software Version
Version number of firmware stored in the internal processor is read out as shown below.
YMF704B(OPL4-ML) : Version 1.22
YMF704B(OPL4-ML) : Version 1.23
YMF704C(OPL4-ML) : Version 1.24
YMF721C(OPL4-ML2) : Version 2.00
Sub Command 02h : Get Processor Software Capacity
The capacity of internal processor can be known through the capacity code.
bit0 = 1 : The synthesizer is able to add effects such as reverb or chorus send level 1.
bit1 = 1 : Suspend/Resume is supported.
bit2 = 1 :Power down is supported.
YMF704B(OPL4-ML) : Capacity Code=01h
YMF704B(OPL4-ML) : Capacity Code=03h
YMF704C(OPL4-ML) : Capacity Code=03h
YMF721C(OPL4-ML2) : Capacity Code=07h
Command
Response
80h
Command byte
84h
Response 1st byte
01h
Sub Command
02h
Integer part of version number
7Fh
Check sum
00h
1st decimal place of version number
00h
2nd decimal place of version number
7Eh
Check sum
Command
Response
80h
Command byte
85h
Response 1st byte
02h
Sub Command
00h
No use
7Eh
Check sum
00h
No use
00h
No use
07h
Capacity code
79h
Check sum
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