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TNETX3190PGV データシート(PDF) 33 Page - Texas Instruments |
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TNETX3190PGV データシート(HTML) 33 Page - Texas Instruments |
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33 / 66 page  TNETX3190 ThunderSWITCH ™ 16/3 ETHERNET™ SWITCH WITH 16 10-MBIT/S PORTS AND 3 10-/100-MBIT/S PORTS SPWS046B – FEBRUARY 1998 – REVISED APRIL 1999 33 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Pause (0 = no pause) Half Duplex Half Duplex (0 = full duplex) Autonegotiation Begins Link Good (0 = full duplex) TNETE2008 latches final values, just before autonegotiation the fast-link pulse exchange begins. 1200-ms Min 80-ms Min 750-ms Min Clock Runs Continuously THxTXEN (output) THxCLK (input) THxTXD3 (output) THxTXD2 (output) THxTXD1 (output) THxTXD0 (output) THxLINK (input) THxRXDV (input) THxRXD3 (input) THxRENEG (output) THxRXD2 (input) THxRXD1 (input) THxRXD0 (input) Will be 0 Will be 0 Will be 0 (1 = pause granted) (1 = half duplex) (1 = pause granted) THxCLK (input) THxLINK (input) THxRXDX (input) THxRXD Final Value THxLINK = 1 (THxRXD final value latched) Must be 0 (1 = pause requested) Must be 0 Will be 0 Link Fails OR Renegotiation Negotiated Link Protocol Latch Final Values When Link Pause (0 = no pause) Figure 7. Connecting to TNETE2008 PHY† † THx = TH1 and TH2 |
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