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YMF754-R 数据表(PDF) 5 Page - YAMAHA CORPORATION |
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YMF754-R 数据表(HTML) 5 Page - YAMAHA CORPORATION |
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5 / 60 page ![]() YMF754 June 28, 1999 -5- PIN DESCRIPTION 1. PCI Bus Interface (54-pin) Name I/O Type Size Function PCICLK I P - PCI Clock RST# I P - Reset AD[31:0] IO Ptr - Address / Data C/BE[3:0]# IO Ptr - Command / Byte Enable PAR IO Ptr - Parity FRAME# IO Pstr - Frame IRDY# IO Pstr - Initiator Ready TRDY# IO Pstr - Target Ready STOP# IO Pstr - Stop IDSEL I P - ID Select DEVSEL# IO Pstr - Device Select REQ# O P - PCI Bus Master Request GNT# I P - PCI Bus Master Grant PCREQ# O Ptr - PC/PCI Request PCGNT# I Ptr - PC/PCI Grant PERR# IO Pstr - Parity Error SERR# O Pod - System Error INTA# O Pod - Interrupt signal output for PCI Bus SERIRQ# IO Ptr - Serialized IRQ CLKRUN# IO Ptr - Clock Run 2. AC’97 Interface (8-pin) Name I/O Type Size Function CRST# O T 6mA Reset signal for AC’97 CMCLK O C - Master Clock for AC’97 (24.576MHz) CBCLK I T - AC-link: Bit Clock for AC’97 audio data CSDO O T 6mA AC-link: AC’97 Serial audio output data CSYNC O T 6mA AC-link: AC’97 Synchronized signal CSDI0 I T - AC-link: AC’97 Serial audio input data (Primary) CSDI1 I Tup - AC-link: AC’97 Serial audio input data (Secondary) DOCKEN# I Tup - Secondary AC’97 Enable |
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