Canbus.md

@@ -128,7 +128,8 @@ For each `N` in the range [1, 25]
 ```math
 Nt_q = \overline{t_{bit}}\\
 N\frac{BRP+1}{f_{APB}} = \overline{t_{bit}}\\
-BRP = \overline{t_{bit}}\frac{f_{APB}}{N}-1
+BRP_{temp} = \overline{t_{bit}}\frac{f_{APB}}{N}-1\\
+BRP = max\left(min\left(round(BRP_{temp}), 1024\right), 1\right}
 ```
 
 
@@ -138,7 +139,7 @@ TS1_{temp} =  \overline{SP_\%} N - 1\\
 TS1 = max\left(min(round(TS1_{temp}), min(16, N-2)), 1\right)\\
 TS2 = N - TS1 - 1
 ``` 
-
+Note: the max/min/round functions in the previous equation are required in order to assure that `TS1` is an integer number in the range [1, 16] or [1, N-2] if N < 18.  
 The actual sample point is then given by
 ```math
 SP_\% = \frac{1 + TS1}{1 + TS1 + TS2}