Every class of patterns is represented by 2 bits of mask. Bits 0-3 are valid in this integer. The meaning of the mask can be understood from the example below: Class of | SM | Non latching patterns | support |device to loop Other patterns | 1 | 0 Patterns | 1 | 1 power 9 and 11 | | (Table contents applicable to FRSM-4T1) bertPatternMask = 1011 binary The column titles represent the variables bertPattern depends on. The mask is represented in column major order.