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TUSB1310 Datasheet(PDF) 12 Page - Texas Instruments |
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TUSB1310 Datasheet(HTML) 12 Page - Texas Instruments |
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12 / 36 page  TUSB1310 SLLSE16C – DECEMBER 2009 – REVISED AUGUST 2010 www.ti.com Table 2-2. PIPE Signal Description (continued) SIGNAL NAME TYPE BALL NO. DESCRIPTION Active High. Used to communicate completion of several PHY func-tions including power S, I/O, management state transitions, rate change, and receiver detection. When this signal PHY_STATUS E3 PD transitions during entry and exit from P3 and PCLK is not running, then the signaling is asynchronous. PWRPRESENT O H11 Indicates the presence of VBUS CONFIGURATION PINS Active High. Used only when transmitting USB compliance pat-terns CP7 or CP8. Causes TX_ONESZEROS I, PD M4 the transmitter to transmit an alternating sequence of 50 - 250 ones and 50 - 250 zeros – regardless of the state of the TX_DATA interface. Selects transmitter de-emphasis. When the MAC changes, the TUSB1310 starts to TX_DEEMPH1 K11 transmit with the new setting within 128 ns. I, PD, PU TX_DEEMPH0 L11 BIT 1 BIT 0 DESCRIPTION 0 0 -6 dB de-emphasis 0 1 -3.5 dB de-emphasis 1 0 No de-emphasis 1 1 Reserved TX_MARGIN2 M11 Selects transmitter voltage levels TX_MARGIN1 M10 BIT 2 BIT 1 BIT 0 TX_SWING DESCRIPTION I, PD Normal operating range TX_MARGIN0 M9 0 0 0 0 800 mV - 1200 mV Normal operating range 0 0 0 1 400 mV - 700 mV 0 800 mV - 1200 mV 0 0 1 1 400 mV - 700 mV 0 700 mV - 900 mV 0 1 0 1 300 mV - 500 mV 0 400 mV - 600 mV 0 1 1 1 200 mV - 400 mV 1 0 200 mV - 400 mV Don't care 1 1 100 mV - 200 mV Controls transmitter voltage swing level TX_SWING I, PD M5 0 Full swing 1 Half swing Active High. Tells PHY to do a polarity inversion on the received data. Inverted data show up on RX_DATA15-0 within 20 PCLK clocks after RX_POLARITY is asserted. RX_POLARITY I, PD C8 0 PHY does no polarity inversion. 1 PHY does polarity inversion. Controls presence of receiver terminations RX_TERMINATION I, PD D3 0 Terminations removed 1 Terminations present Controls the link signaling rate RATE I, PU L6 The RATE is always 1. Selects elasticity buffer operating mode ELAS_BUF_MODE I, PD C9 0 Nominal half full buffer mode 1 Nominal empty buffer mode 12 PIN DESCRIPTIONS Copyright © 2009–2010, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TUSB1310 |
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