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PX1011BI-EL1G Datasheet(PDF) 7 Page - NXP Semiconductors |
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PX1011BI-EL1G Datasheet(HTML) 7 Page - NXP Semiconductors |
7 / 30 page PX1011B_2 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 02 — 19 March 2008 7 of 30 NXP Semiconductors PX1011B PCI Express stand-alone X1 PHY Table 8. PXPIPE interface status signals Symbol Pin Type Signaling Description RXVALID C8 output SSTL_2 indicates symbol lock and valid data on RX_DATA and RX_DATAK PHYSTATUS D8 output SSTL_2 used to communicate completion of several PHY functions including power management state transitions and receiver detection RXIDLE A2 output SSTL_2 indicates receiver detection of an electrical idle; this is an asynchronous signal RXSTATUS0 A9 output SSTL_2 encodes receiver status and error codes for the received data stream and receiver detection (see Table 14) RXSTATUS1 B9 output SSTL_2 RXSTATUS2 C9 output SSTL_2 Table 9. Clock and reference signals Symbol Pin Type Signaling Description TXCLK J8 input SSTL_2 source synchronous 250 MHz transmit clock input from MAC. All input data and signals to the PHY are synchronized to this clock. RXCLK A8 output SSTL_2 source synchronous 250 MHz clock output for received data and status signals bound for the MAC. REFCLK_P B1 input PCIe I/O 100 MHz reference clock input. This is the spread spectrum source clock for PCI Express. Differential pair input with 50 Ω on-chip termination. REFCLK_N C1 input PCIe I/O PVT D6 - analog I/O input or output to create a compensation signal internally that will adjust the I/O pads characteristics as PVT drifts. Connect to VDD through a 49.9 Ω resistor. VREFS J2 input reference voltage input for SSTL_2 class I signaling. Connect to 1.25 V. Table 10. 3.3 V JTAG signals Symbol Pin Type Signaling Description TMS E4 input 3.3 V CMOS test mode select input TRST_N F4 input 3.3 V CMOS test reset input for the JTAG interface; active LOW TCK F3 input 3.3 V CMOS test clock input for the JTAG interface TDI G3 input 3.3 V CMOS test data input TDO H3 output 3.3 V CMOS test data output |
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