SPRUJ28E November 2021 – September 2024 AM68 , AM68A , TDA4AL-Q1 , TDA4VE-Q1 , TDA4VL-Q1
Table 12-137 describes the SERDES ACSPCIe reference clock selection. ACSPCIe buffer clk selection: Needs PCIE_REFCLK1_CLKSEL_OUT_CLK_EN to be enabled for driving the clk out onto the ref clk pins.
[1:0] CLK_SEL | ACSPCIe Clk Source |
---|---|
0x0 | SERDES_REF_DER_OUT_CLK |
0x1 | MAIN_PLL2_HSDIV4_CLKOUT |
0x2 | SERDES0_REF_OUT_CLK |
0x3 | 0 |