Visible to Intel only — GUID: sfo1410067690967
Ixiasoft
Visible to Intel only — GUID: sfo1410067690967
Ixiasoft
3.3.3.3.1. Flash Controller Clocks
Flash memory peripherals can be driven by the main PLL, the peripheral PLL, or from clocks provided by the FPGA fabric.
System Clock Name |
Frequency |
Divided From |
Constraints and Notes |
---|---|---|---|
qspi_clk |
Up to 432 MHz |
Peripheral PLL C2, main PLL C3, or f2h_periph_ref_clk |
Clock for quad SPI, typically 108 and 80 MHz |
nand_x_clk |
Up to 250 MHz |
Peripheral PLL C3, main PLL C4, or f2h_periph_ref_clk |
NAND flash controller master and slave clock |
nand_clk |
nand_x_clk/4 |
Peripheral PLL C3, main PLL C4, or f2h_periph_ref_clk |
Main clock for NAND flash controller, sets base frequency for NAND transactions |
sdmmc_clk |
Up to 200 MHz |
Peripheral PLL C3, main PLL C4, or f2h_periph_ref_clk |
|