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TNETX3100 数据表(PDF) 34 Page - Texas Instruments |
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TNETX3100 数据表(HTML) 34 Page - Texas Instruments |
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34 / 80 page  TNETX3100 ThunderSWITCH™ 10-PORT 10-/100-MBIT/S ETHERNET™ SWITCH SPWS031D – JUNE 1997 – REVISED OCTOBER 1997 34 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 LED control register at 0x00D1 BIT 7 6 5 4 3 2 1 0 Reserved FLTLED PONLY S4LED S3LED S2LED S1LED Initial Values After Reset 0 0 0 0 0 0 0 0 BIT NAME FUNCTION 7–6 Reserved Reserved 5 FLTLED Fault LED. When FLTLED = 1, the fault LED is turned on. When FLTLED = 0, the fault LED turns on if an invalid CRC is detected during the EEPROM load. 4 PONLY Partition only. If PONLY = 1, the port LEDs display the enable/disable status of the ports; the display of port activity and link status is disabled. 3–0 S4LED S3LED S2LED S1LED Software-controlled LEDs. S4LED–S1LED control the state of the external software-controlled LEDs; when SxLED = 1, the corresponding LED is turned on, when SxLED = 0, the LED is off. The TNETX3100 makes no use of the value of these bits other than for controlling the external LEDs. |
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