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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AM79C930VCW датащи(PDF) 24 Page - Advanced Micro Devices |
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AM79C930VCW датащи(HTML) 24 Page - Advanced Micro Devices |
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24 / 161 page  24 Am79C930 PRELIMINARY ISA PLUG AND PLAY PIN SUMMARY (continued) Output Driver Types Input Types No. of Pins Pin Name Pin Function Pin Style 1 TXC Transmit Clock—may be configured either as input or output TS1 1 LFPE Low Frequency Power Enable—used to power up the low-frequency section of the transceiver PTS1 1 LFCLK Low Frequency Clock—a reference signal for the transceiver synthesizer TS1 1 HFPE High Frequency Power Enable—used to power up the high-frequency section of the transceiver PTS1 1 HFCLK High Frequency Clock—a reference signal for the transceiver synthesizer TS1 1 ANTSLT Antenna Select—used to select between two antennas PTS1 1 TXCMD Transmit Command—used to select the transmit path in the transceiver TP1 1 TXPE Transmit Power Enable—used to power up the transmit section of the transceiver TP1 1 TXDATA Transmit Data—supplies the transmit data stream to the transceiver TP1 1 TXMOD Transmit Modulation Enable—enables the modulation of transmit data TP1 1 RXPE Receive Power Enable—enables the receive function of the transceiver PTS1 1 RXDATA Receive Data—accepts receive data in NRZ format from the transceiver I 1 FDET Frame Detect—start of frame delimiter detection indication TS1 1 RXCIN Receive Clock Input—optional clock input that allows for an external PLL IPU 1 SDCLK Serial Data Clock—clock output used to access serial peripheral devices PTS1 1 SDDATA Serial Data Data—data pin used to access serial peripheral devices PTS1 3 SDSEL3–SDSEL1 Serial Data Select—chip select outputs used to select serial peripheral devices PTS1 1 ACT Activity LED—output capable of driving an LED PTS2 1 LNK Link LED—output capable of driving an LED PTS2 1 ADREF A/D Reference—an input that can be used to set the analog reference voltage for the internal A/D converter I 7 SAR6–SAR0 Serial Approximation Register—supplies the value of the serial approximation register used in the A/D converter TS1 2 ADIN1–2 Comparator—A/D comparator inputs TS1 12 V CC Power I 13 GND Ground I Name Type I OL I OH load TP1 Totem pole 4 mA –4 mA 50 pF TS1 Tri-state 4 mA –4 mA 50 pF TS2 Tri-state 24 mA –4 mA 120 pF PTS1 User-programmable tri-state 4 mA –4 mA 50 pF PTS2 User-programmable tri-state 12 mA –4 mA 50 pF PTS3 User-programmable tri-state 24 mA –4 mA 120 pF OD2 Open drain 24 mA –4 mA 120 pF XO Xtal amplifier Output NA NA Name Type Size of Pullup Size of Pulldown I Input NA NA IPU Input with internal pullup device >50K Ω NA IPD Input with internal pulldown device NA >50K Ω |
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