MIN_DIV_N_PCR
while ((n < MIN_DIV_N_PCR - 4) && (div < CLK_DIV_8)) {
while ((n < MIN_DIV_N_PCR - 4) && (div < CLK_DIV_8)) {
while ((n < MIN_DIV_N_PCR - 4) && (div < CLK_DIV_8)) {
while ((n < MIN_DIV_N_PCR) && (div < CLK_DIV_8)) {