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TSI721 датащи(PDF) 21 Page - Integrated Device Technology |
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TSI721 датащи(HTML) 21 Page - Integrated Device Technology |
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21 / 68 page ![]() 2. Signals > Pinlist Tsi721 Datasheet 21 May 5, 2014 Formal Status This document is confidential and is subject to an NDA. Integrated Device Technology 2.3 Pinlist For a list-based version of Tsi721’s pin to signal mapping, see the Tsi721 Ballmap and Pinlist. 2.4 PCIe Signals Table 2: PCIe Signals Name Pin Type Description PCTP[3:0] PCTN[3:0] PCIE_O Differential transmit data for the PCIe port. PCRP[3:0] PCRN[3:0] PCIE_I Differential receive data for the PCIe port. PCCLKP PCCLKN DIFF_I PCIe reference clock input. When in PCIe common clock mode (CLKMOD pin is high, see the “Clocking” chapter in the Tsi721 User Manual), PCCLKP/N requires a clock frequency of 100 MHz. When in PCIe non-common clock mode (CLKMOD pin is low), PCCLKP/N requires a clock frequency as selected by CLKSEL[1:0], and must have the same clock frequency as REFCLKP/N. PCRSTOn IO It is an output for normal operation and an input during scan test mode. As an asynchronous active-low reset output, this pin is low when the following occurs: • The PCIe port detects hot reset • The PCIe port is DL_DOWN |
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