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PI6C49006 датащи(PDF) 4 Page - Pericom Semiconductor Corporation |
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PI6C49006 датащи(HTML) 4 Page - Pericom Semiconductor Corporation |
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4 / 15 page ![]() 4 www.pericom.com P-0.1 07/02/12 PI6C49006 Embedded Clock Generator All trademarks are property of their respective owners. Selection Table 1 – 100MHz/125MHz PCIe clock in bank A FS0 PCIE(0~3) 0 100MHz 1 125MHz Selection Table 2 – Spread Spectrum SS1 SS0 SSC 0 0 No spread 0 1 Down -0.75% 1 0 Down -0.5% 1 1 No spread Selection Table 3 – 33/50/66/100/133MHz LVCMOS clock in bank B FS1 FS2 FS3 OutB_0/1 OutB_2/3 0 0 0 1. Output disable in hardware control mode, internal pull-down 2. Output = 50MHz in software control mode 1. Output disable in hardware control mode, internal pull-down 2. Output = 133MHz in software control mode 0 0 1 33M 66M 0 1 0 50M 100M 0 1 1 66M 133M 1 0 0 33M 50M 1 0 1 33M 100M 1 1 0 66M 50M 1 1 1 66M 100M Selection Table 4 – 25/125MHz LVCMOS/25MHz Diff clock in bank C FS4 125M_Out0 25M_Out1 25M_Out2 25M_Out Diff 0 Output disable, internal pull-down 25MHz 25MHz Output disable, internal pull-down 1 125MHz 25MHz 25MHz Output disable, internal pull-down NC Output disable, internal pull-down Output disable, internal pull-down Output disable, internal pull-down 25MHz Diff 12-0212 |
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