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TLK10002 Datasheet(PDF) 21 Page - Texas Instruments |
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TLK10002 Datasheet(HTML) 21 Page - Texas Instruments |
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21 / 73 page  HSTXAP /N Low Speed Side SERDES HSRXAP /N 10 10 10 10 32 16 16 16 High Speed Side SERDES 20 16 20 10 10 10 10 32 LS PRBS Verifier LS PRBS Generator HS PRBS Generator HS PRBS Verifier OUTA2P/N OUTA0P/N OUTA1P/N OUTA3P/N INA0P/N INA1P/N INA2P/N INA3P/N RX FIFO Pattern Generator Pattern Verifier TX FIFO HSTXAP /N Low Speed Side SERDES HSRXAP /N 10 10 10 10 32 16 16 16 High Speed Side SERDES 20 16 20 10 10 10 10 32 LS PRBS Verifier LS PRBS Generator HS PRBS Generator HS PRBS Verifier OUTA2P/N OUTA0P/N OUTA1P/N OUTA3P/N INA0P/N INA1P/N INA2P/N INA3P/N RX FIFO Pattern Generator Pattern Verifier TX FIFO TLK10002 www.ti.com SLLSE75 – MAY 2011 Deep Local Loopback The deep local loopback mode is as shown in Figure 14 for Channel A. The configuration is the same for Channel B. The loopback mode is activated and configured through the MDIO interface. In this loopback mode, the data is accepted on the low speed side SERDES pins (INA*P/N or INB*P/N), traverses the entire transmit data path excluding the CML driver, returned through the entire receive data path and sent out through the low speed side SERDES pins (OUTA*P/N or OUTB*P/N). The TLK10002 device needs some time for lane alignment before passing traffic. The high speed side outputs on HSTXAP/N or HSTXBP/N pins are available for monitoring. Figure 14. Deep Local Loopback Shallow Local Loopback The shallow local loopback mode is as shown in Figure 15 for Channel A. The configuration is the same for Channel B. The loopback mode is activated and configured through the MDIO interface. In this loopback mode, the data is accepted on the low speed side SERDES pins (INA*P/N or INB*P/N), traverses the entire transmit data path excluding the high speed side SERDES, returned through the entire receive data path and sent out through the low speed side SERDES pins (OUTA*P/N or OUTB*P/N). The TLK10002 device needs some time for lane alignment before passing traffic. The high speed side outputs on HSTXAP/N or HSTXBP/N pins are available for monitoring. Figure 15. Shallow Local Loopback Copyright © 2011, Texas Instruments Incorporated 21 |
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