器件名称: YMF743
功能描述: AC
文件大小: 170.83KB 共24页
简 介:YMF743
AC’97 Revsion2.1 Audio CODEC with Digital Audio I/F
OVERVIEW
YMF743 is an AC’97 Audio CODEC LSI, which is fully compliant with the industry standard “Audio CODEC ’97” component specification (Revision 2.1). Different from former AC’97, YMF743 supports new features like SPDIF OUT and Zoomed Video Port. Without using a digital controller, these new features can be enhanced in the AC’97 sound system that has an ICH controller built-in chipset. Low power consumption is supported not only in the normal mode but can be controlled in 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 Zoomed Video Port Supports Consumer IEC958 Output Port (SPDIF OUT) Supports 3D Enhancement (Wide Stereo), and Bass / Treble control Multiple CODEC Capability Programmable Power Down Mode Supports EAPD (External Amplifier Power Down) Power Supplies : Analog 5.0V, Digital 3.3V or 5.0V 48-Pin SQFP Package (YMF743-S)
YAMAHA CORPORATION
YMF743 CATALOG Decembe 3, 1998 CATALOG No.:LSI-4MF743A4 December 18, 2000
SDATA_OUT
SDATA_IN XTL_IN XTL_OUT
YMF743
PC_BEEP DVdd1 DVss2 DVss1 SYNC 9 8 7 6 5 4 3 2 1 BIT_CLK RESET# D……
