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-rw-r--r--sys/conf/NOTES4
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/conf/NOTES b/sys/conf/NOTES
index a85846bf8a6d..e5ae8a411bb1 100644
--- a/sys/conf/NOTES
+++ b/sys/conf/NOTES
@@ -1465,6 +1465,10 @@ options CONSPEED=115200 # Speed for serial console
#
device uart
+# Options for uart(4)
+options UART_PPS_ON_CTS # Do time pulse capturing using CTS
+ # instead of DCD.
+
# The following hint should only be used for pure ISA devices. It is not
# needed otherwise. Use of hints is strongly discouraged.
hint.uart.0.at="isa"