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AM79C970A 数据表(PDF) 19 Page - Advanced Micro Devices |
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AM79C970A 数据表(HTML) 19 Page - Advanced Micro Devices |
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19 / 219 page ![]() P R E L I M I N A R Y AMD 19 Am79C970A PIN DESIGNATIONS – 144-PIN TQFP Listed By Group Pin Name Pin Function Type Driver No. of Pins PCI Bus Interface Attachment Unit Interface (AUI) CI+/CI- AUI Collision Differential Pair I N/A 2 DI+/DI- AUI Data In Differential Pair I N/A 2 DO+/DO- AUI Data Out Differential Pair O DO 2 DXCVR Disable Transceiver O O6 1 10BASE-T Interface LNKST Link Status O LED 1 RXD+/RXD- Receive Differential Pair I N/A 2 TXD+/TXD- Transmit Differential Pair O TDO 2 TXP+/TXP- Transmit Pre-distortion Differential Pair O TPO 2 General Purpose Serial Interface (GPSI) CLSN Collision I N/A 1 RXEN Receive Enable I N/A 1 RXDAT Receive Data I N/A 1 RXCLK Receive Clock I N/A 1 TXCLK Transmit Clock I N/A 1 TXDAT Transmit Data O O6 1 TXEN Transmit Enable O O6 1 External Address Detection Interface (EADI) EAR External Address Reject Low I N/A 1 SFBD Start Frame Byte Delimiter O LED 1 SRD Serial Receive Data O LED 1 SRDCLK Serial Receive Data Clock O LED 1 IEEE 1149.1 Test Access Port Interface (JTAG) TCK Test Clock I N/A 1 TDI Test Data In I N/A 1 TDO Test Data Out O TS6 1 TMS Test Mode Select I N/A 1 Test Interface NOUT NAND Tree Test Output O O6 1 Power Supplies AVDD Analog Power P N/A 4 AVSS Analog Ground P N/A 2 VDD Digital Power P N/A 6 VSS Digital Ground P N/A 12 VDDB I/O Buffer Power P N/A 4 VSSB I/O Buffer Ground P N/A 8 |
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