Update rp2040.rst

earlephilhower · web-flow · commit de55db12f17d · 2023-02-26T18:54:32.000-08:00
diff --git a/docs/rp2040.rst b/docs/rp2040.rst
@@ -50,6 +50,9 @@ Enables the hardware watchdog timer with a delay value of delay_ms
 milliseconds. Note that on the RP2040, once this function has called, the
 hardware watchdog can _not_ be disabled.
 
+The maximum ``delay_ms`` allowed in this call is ``8300``, corresponding
+to 8.3 seconds.  Any higher values will be truncated by the hardware.
+
 void rp2040.wdt_reset()
 ~~~~~~~~~~~~~~~~~~~~~~~
 Reloads the watchdog's counter with the amount of time set by wdt_begin.
