IOBRICK_DCC_THRESHOLD
if (clk < 1000000 / IOBRICK_DCC_THRESHOLD) {
if (clk < 1000000 / IOBRICK_DCC_THRESHOLD) {
if (clk < (1000000 / IOBRICK_DCC_THRESHOLD)) {
if (clk < (1000000 / IOBRICK_DCC_THRESHOLD)) {