diff --git a/ports/nrf/modules/machine/rtcounter.c b/ports/nrf/modules/machine/rtcounter.c
index 08d31f61d0..c1ef1b4dd9 100644
--- a/ports/nrf/modules/machine/rtcounter.c
+++ b/ports/nrf/modules/machine/rtcounter.c
@@ -27,6 +27,7 @@
 
 #include "py/nlr.h"
 #include "py/runtime.h"
+#include "mphalport.h"
 #include "rtcounter.h"
 #include "nrfx_rtc.h"
 #include "nrf_clock.h"
@@ -182,9 +183,7 @@ static mp_obj_t machine_rtc_make_new(const mp_obj_type_t *type, size_t n_args, s
     }
 
     // Start the low-frequency clock (if it hasn't been started already)
-    if (!nrf_clock_lf_is_running(NRF_CLOCK)) {
-        nrf_clock_task_trigger(NRF_CLOCK, NRF_CLOCK_TASK_LFCLKSTART);
-    }
+    mp_nrf_start_lfclk();
 
     // Make sure it's uninitialized.
     nrfx_rtc_uninit(self->p_rtc);
diff --git a/ports/nrf/mphalport.c b/ports/nrf/mphalport.c
index 2a1a4cb13b..06c6ba5cc2 100644
--- a/ports/nrf/mphalport.c
+++ b/ports/nrf/mphalport.c
@@ -40,6 +40,36 @@
 #include "nrf_clock.h"
 #endif
 
+#if !defined(USE_WORKAROUND_FOR_ANOMALY_132) && \
+    (defined(NRF52832_XXAA) || defined(NRF52832_XXAB))
+// ANOMALY 132 - LFCLK needs to avoid frame from 66us to 138us after LFCLK stop.
+#define USE_WORKAROUND_FOR_ANOMALY_132 1
+#endif
+
+#if USE_WORKAROUND_FOR_ANOMALY_132
+#include "soc/nrfx_coredep.h"
+#endif
+
+void mp_nrf_start_lfclk(void) {
+    if (!nrf_clock_lf_start_task_status_get(NRF_CLOCK)) {
+        // Check if the clock was recently stopped but is still running.
+        #if USE_WORKAROUND_FOR_ANOMALY_132
+        bool was_running = nrf_clock_lf_is_running(NRF_CLOCK);
+        // If so, wait for it to stop. This ensures that the delay for anomaly 132 workaround does
+        // not land us in the middle of the forbidden interval.
+        while (nrf_clock_lf_is_running(NRF_CLOCK)) {
+        }
+        // If the clock just stopped, we can start it again right away as we are certainly before
+        // the forbidden 66-138us interval. Otherwise, apply a delay of 138us to make sure we are
+        // after the interval.
+        if (!was_running) {
+            nrfx_coredep_delay_us(138);
+        }
+        #endif
+        nrf_clock_task_trigger(NRF_CLOCK, NRF_CLOCK_TASK_LFCLKSTART);
+    }
+}
+
 #if MICROPY_PY_TIME_TICKS
 
 // Use RTC1 for time ticks generation (ms and us) with 32kHz tick resolution
@@ -99,9 +129,7 @@ static void rtc_irq_time(nrfx_rtc_int_type_t event) {
 
 void rtc1_init_time_ticks(void) {
     // Start the low-frequency clock (if it hasn't been started already)
-    if (!nrf_clock_lf_is_running(NRF_CLOCK)) {
-        nrf_clock_task_trigger(NRF_CLOCK, NRF_CLOCK_TASK_LFCLKSTART);
-    }
+    mp_nrf_start_lfclk();
     // Uninitialize first, then set overflow IRQ and first CC event
     nrfx_rtc_uninit(&rtc1);
     nrfx_rtc_init(&rtc1, &rtc_config_time_ticks, rtc_irq_time);
diff --git a/ports/nrf/mphalport.h b/ports/nrf/mphalport.h
index 1ba4b6e70f..7efe05a15f 100644
--- a/ports/nrf/mphalport.h
+++ b/ports/nrf/mphalport.h
@@ -54,6 +54,8 @@ void mp_hal_delay_us(mp_uint_t us);
 
 const char *nrfx_error_code_lookup(uint32_t err_code);
 
+void mp_nrf_start_lfclk(void);
+
 #define MP_HAL_PIN_FMT           "%q"
 #define mp_hal_pin_obj_t const pin_obj_t *
 #define mp_hal_get_pin_obj(o)    pin_find(o)