SPRUJ28F November 2021 – August 2025 AM68 , AM68A , TDA4AL-Q1 , TDA4VE-Q1 , TDA4VL-Q1
Table 12-136 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 |