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AM79C970AVCW bảng dữ liệu(PDF) 219 Page - Advanced Micro Devices |
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AM79C970AVCW bảng dữ liệu(HTML) 219 Page - Advanced Micro Devices |
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219 / 219 page ![]() AMD E-5 Am79C970A LIST OF PIN CHANGES Pin No. PCnet-SCSI PCnet-PCI PCnet-PCI II Comment 9 IDSELA NC TDI CIN must be 8 pF maximum. (PCI spec. on IDSEL input). 58 PWDN NC EAR Inputs only, EAR is ignored until EADI interface is enabled. 60 SCSICLK NC EROE External SCSI components must be depopulated. 62 BUSY/NOUT NOUT DXCVR/NOUT External SCSI components must be depopulated. 64 SCSI BSY NC ERACLK External SCSI components must be depopulated. 65 SCSI ATN NC ERA7 External SCSI components must be depopulated. 66 SCSI RST NC ERA6 External SCSI components must be depopulated. 68 SCSI DS NC ERA5 External SCSI components must be depopulated. 69 SCSI SD1 NC ERA4 External SCSI components must be depopulated. 70 SCSI SD2 NC ERA3 External SCSI components must be depopulated. 71 SCSI SD3 NC ERA2 External SCSI components must be depopulated. 73 SCSI SD4 NC ERA1 External SCSI components must be depopulated. 74 SCSI SD5 NC ERA0 External SCSI components must be depopulated. 75 SCSI SD6 NC ERD7/TXDAT External SCSI components must be depopulated. 77 SCSI SD7 NC ERD6/TXEN External SCSI components must be depopulated. 78 SCSI SDP NC ERD5 External SCSI components must be depopulated. 80 SCSI SEL NC ERD4/TXCLK External SCSI components must be depopulated. 81 SCSI REQ NC ERD3/CLSN External SCSI components must be depopulated. 83 SCSI ACK NC ERD2/RXEN External SCSI components must be depopulated. 85 SCSI MSG NC ERD1/RXCLK External SCSI components must be depopulated. 86 SCSI C/D NC ERD0/RXDAT External SCSI components must be depopulated. 87 SCSI I/O NC LED2/SRDCLK External SCSI components must be depopulated. 110 EEDO/ LED3 EEDO/LED3 EEDO/ LED3/SRD EADI interface is only active when enabled by setting a bit in a BCR. 112 EESK/ LED1 EESK/LED1 EESK/ LED1/SFBD EADI interface is only active when enabled by setting a bit in a BCR. 116 RESERVED RESERVED RESERVED 118 INTB NC TCK TCK is the JTAG clock input. The JTAG interface is inactive, until TCK is running. TCK has an internal pull-up. 124 GNTA NC TMS TMS is the JTAG test mode select input. TMS is only active if TCK is running. 127 REQA NC TDO JTAG TDO output is tri-state after power-on reset. |
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