OTFDEC region 4 key register 0
| REGx_KEY | Region key, bits [31:0] This register must be written before the region corresponding REG_EN bit in the RxCFGR register is set. Reading this register returns a zero value. Writing this register while the region CONFIGLOCK or KEYLOCK bit is set in the RxCFGR register will be discarded. Note: When application successfully changes MODE bits in RxCFGR register RxKEYR registers and associated KEYCRC are erased. |