diff options
Diffstat (limited to 'docs/library/machine.UART.rst')
| -rw-r--r-- | docs/library/machine.UART.rst | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/docs/library/machine.UART.rst b/docs/library/machine.UART.rst index 5be79cccce..fbad3fc592 100644 --- a/docs/library/machine.UART.rst +++ b/docs/library/machine.UART.rst @@ -224,7 +224,8 @@ Methods .. note:: - - The ESP32 port does not support the option hard=True. + - The ESP32 port does not support the option hard=True. It uses Timer(0) + for UART.IRQ_RXIDLE, so this timer cannot be used for other means. - The rp2 port's UART.IRQ_TXIDLE is only triggered when the message is longer than 5 characters and the trigger happens when still 5 characters |