diff --git a/components/hal/esp32s3/include/hal/spi_ll.h b/components/hal/esp32s3/include/hal/spi_ll.h index c7dd96fa8c..6058afe1e5 100644 --- a/components/hal/esp32s3/include/hal/spi_ll.h +++ b/components/hal/esp32s3/include/hal/spi_ll.h @@ -676,8 +676,8 @@ static inline int spi_ll_master_cal_clock(int fapb, int hz, int duty_cycle, spi_ if (pre <= 0) { pre = 1; } - if (pre > 8192) { - pre = 8192; + if (pre > 16) { + pre = 16; } errval = abs(spi_ll_freq_for_pre_n(fapb, pre, n) - hz); if (bestn == -1 || errval <= besterr) {