diff options
| -rw-r--r-- | nuttx/configs/sama5d3-xplained/README.txt | 5 | ||||
| -rw-r--r-- | nuttx/configs/sama5d3x-ek/README.txt | 5 | ||||
| -rw-r--r-- | nuttx/configs/sama5d4-ek/README.txt | 5 |
3 files changed, 15 insertions, 0 deletions
diff --git a/nuttx/configs/sama5d3-xplained/README.txt b/nuttx/configs/sama5d3-xplained/README.txt index 3faf04e0f..c9d855141 100644 --- a/nuttx/configs/sama5d3-xplained/README.txt +++ b/nuttx/configs/sama5d3-xplained/README.txt @@ -2389,6 +2389,11 @@ Tickless OS CONFIG_SAMA5_TICKLESS_FREERUN=1 : Selects TC0 channel 1 for the free- : running timer + NOTE: In most cases, the slow clock will be used as the timer/counter + input. You should enable the 32.768KHz crystal for the slow clock by + calling sam_sckc_enable(). Otherwise, you will be doing all system + timing using the RC clock! + SAMA5 Timer Usage ----------------- This current implementation uses two timers: A one-shot timer to diff --git a/nuttx/configs/sama5d3x-ek/README.txt b/nuttx/configs/sama5d3x-ek/README.txt index 9cc88abdf..f3c6fa7d1 100644 --- a/nuttx/configs/sama5d3x-ek/README.txt +++ b/nuttx/configs/sama5d3x-ek/README.txt @@ -2705,6 +2705,11 @@ Tickless OS CONFIG_SAMA5_TICKLESS_FREERUN=1 : Selects TC0 channel 1 for the free- : running timer + NOTE: In most cases, the slow clock will be used as the timer/counter + input. You should enable the 32.768KHz crystal for the slow clock by + calling sam_sckc_enable(). Otherwise, you will be doing all system + timing using the RC clock! + SAMA5 Timer Usage ----------------- This current implementation uses two timers: A one-shot timer to diff --git a/nuttx/configs/sama5d4-ek/README.txt b/nuttx/configs/sama5d4-ek/README.txt index a2c81e53c..07d9036ba 100644 --- a/nuttx/configs/sama5d4-ek/README.txt +++ b/nuttx/configs/sama5d4-ek/README.txt @@ -3169,6 +3169,11 @@ Tickless OS CONFIG_SAMA5_TICKLESS_FREERUN=1 : Selects TC0 channel 1 for the free- : running timer + NOTE: In most cases, the slow clock will be used as the timer/counter + input. You should enable the 32.768KHz crystal for the slow clock by + calling sam_sckc_enable(). Otherwise, you will be doing all system + timing using the RC clock! + SAMA5 Timer Usage ----------------- This current implementation uses two timers: A one-shot timer to |