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参数资料
| 型号： | YMF715E |
| 厂商： | Yamaha Corporation |
| 英文描述： | OPL3 Single-Chip Audio System 3(OPL3 单片音频系统3) |
| 中文描述： | OPL3单芯片音频系统3（OPL3单片音频系统3） |
| 文件页数： | 27/53页 |
| 文件大小： | 455K |
| 代理商： | YMF715E |
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YMF715E
May 21, 1998
-33-
Notice)
1) Set D7, D6, D4 and D3 bits to “0”.
2) In the power save modes 1, 2, the OUTL/R pins will keep the VREF voltage. In the power down
mode, VREF voltage slowly decays to ground on transition into this mode, and quickly returns to
VREF on transition from this mode. During these modes (power save/down), master volume is
automatically muted, so all audio sources cannot be heard. After resuming these modes, master
volume is still muted.
System control (R/W):
Index
D7
D6
D5
D4
D3
D2
D1
D0
02h
SBHE
-
YMODE1 YMODE0
-
IDSEL1
IDSEL0
VZE
SBHE...
When AT-bus is used, set to “0” and set to “1” in case of XT-bus.
YMODE1-0...
3D Enhancement mode according to the application can be selected
by these two bits as follows.
YMODE1
YMODE0
3D Enhancement mode
0
Desktop mode
0
1
Notebook PC mode (1)
1
0
Notebook PC mode (2)
1
Hi-Fi mode
IDSEL1, IDSEL0...
These two bits specify the DSP version of Sound Blaster compatible
portion.
The different return value of DSP command E1h (Get DSP version
number) of Sound Blaster Pro is got by these bits in.
1st byte
2nd byte
IDSEL1
IDSEL0
(major ver)
(minor ver)
0
03h
01h
0
1
02h
01h
1
0
01h
05h
1
00h
VZE...
I
2S audio format can be fed to BCLK_ZV, LRCK_ZV, SIN_ZV pins
of OPL3-SA3 by setting this bit to “1” regardless of the /EXTEN,
when Zoomed Video port is in use.
default : 00h
Notice)
Input signals, BCLK_ZV and LRCK_ZV pins which appear on SEL=4 or 5 mode, should be
oscillated, when VZE=1.
相关PDF资料 |
PDF描述 |
|---|---|
| YMF721-S | SPEECH SYNTHESIZER, PQFP100 |
| 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 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| YMF715E-S | 制造商:YAMAHA 制造商全称:YAMAHA CORPORATION 功能描述:OPL3 Single-chip Audio System 3 |
| YMF721 | 制造商:LSI 制造商全称:LSI 功能描述:FM + Wavetable Synthesizer LSI |
| 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 |
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