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PDF YMF752 Data sheet ( Hoja de datos )
| Número de pieza | YMF752 | |
| Descripción | AC97 Rev2.1 Audio CODEC with SRC | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de YMF752 (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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YMF752
Preliminary
AC’97 Rev2.1 Audio CODEC with SRC
OVERVIEW
YMF752 is an AC’97 Audio CODEC LSI, which is fully compliant with the industry standard “Audio
CODEC ’97” component specification (Revision 2.1).
YMF752 includes a SRC (Sampling Rate Converter) for supporting variable sampling rate and an AC-Link
serial interface. Therefore, YMF752 is the best audio solution for both laptops and desktop PCs as well as
AMR (Audio Modem Riser) and MDC (Mobile Daughter Card).
YMF752 also supports low power consumption while normal operating and allows for controlling the power
down mode.
FEATURES
• AC’97 Revision 2.1 Compliant
• Exceeds PC98 / PC99 Audio Performance Requirements
• Analog Inputs:
- 4 Stereo Inputs: LINE, CD, VIDEO, AUX
- 2 Monaural Inputs: Speakerphone and PC BEEP Inputs
- 2 Independent Microphone Inputs
• PC BEEP can directly output to Line Out
• Internal +20dB amplifier circuitry for microphone
• Analog Outputs: Stereo LINE Output, True LINE Level and Monaural Output
• Supports 3D Enhancement (Wide Stereo)
• Supports Variable Sampling Rate (48k/44.1k/22.05k/16k/11.025k/8kHz)
• Programmable Power Down Mode
• Supports EAPD (External Amplifier Power Down)
• Power Supplies: Analog 5.0V, Digital 3.3V
• 48-Pin SQFP Package (YMF752-S)
The following functions are supported by using the software driver from YAMAHA.
• XG Wave Table Synthesizer
• Downloadable Sound (DLS)
• Legacy Audio (Sound Blaster Pro compatibility and FM Synthesizer) on Pure DOS
GENERAL MIDI logo is a trademark of Association of Musical Electronics Industry (AMEI),
and indicates GM system level 1 compliant.
XG logo is a trademark of YAMAHA Corporation.
The contents of this catalog are target specifications and are subject to change
without prior notice. When using this device, please recheck the specifications.
YAMAHA CORPORATION
YMDF7e5c2eCmATbAeLO3G, 1998
CATALOG No.:LSI-4MF752A02
July 2, 1999
1 page  
YMF752
BLOCK DIAGRAM
ENABLE
EAPD
RESET#
SYNC
BIT_CLK
SDATA_OUT
SDATA_IN
CODEC ID0#
CODEC ID1#
AC’97
SRC
digital
I/F
XTL_IN
XTL_OUT
VREF
A/D
A/D
Record R
16step
Record L
16step
D/A
D/A
PC Beep
16step
PHONE
32step
AUX
32step
VIDEO
32step
CD
32step
LINE
32step
MIC
32step
PCM L
32step
PCM R
32step
Right
Left
3D
0dB/
+20dB
CD Right
CD Left
BUF
MIC1
MIC2
LINE_IN_R
LINE_IN_L
CD_R
CD_GND
CD_L
VIDEO_R
VIDEO_L
AUX_R
AUX_L
PHONE
PC_BEEP
Master L
32step
Master R
32step
LNLVL
L 32step
LNLVL
R 32step
Monaural
32step
LINE_OUT_L
LINE_OUT_R
LNLVL_OUT_L
LNLVL_OUT_R
MONO_OUT
5 July 2, 1999
5 Page 
YMF752
Setup and Hold
Tdelay
BIT_CLK
SDATA_IN
SDATA_OUT,
SYNC
Tsetup
Thold
Signal Rise and Fall
Trise_clk
BIT_CLK
SYNC
Trise_sync
Tfall_clk
SDATA_IN
Tfall_sync
SDATA_OUT
Trise_din
Trise_dout
Tfall_din
Tfall_dout
AC-link Low Power Mode
BIT_CLK
Slot1
SDATA_OUT
Write to 26h
Slot2
Data PR4
SDATA_IN
Activate Test Mode
RESET#
SDATA_OUT
SDATA_IN,
BIT_CLK
Tsetup2rst
Toff
Don’t Care
Ts2_pdown
Hi-Z
11 July 2, 1999
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet YMF752.PDF ] | |
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