I am trying to implement a 48-bit counter using DSP48E slice. My counter currently starts counting from zero. However, I want it to count from some other non-zero value. I couldn't find an attribute which could achieve this. I also wanted the counter to stop counting after a particular value and stay at that value till it gets reset (after the reset, it should again count from the non-zero value). Is it possible to achieve this using DSP48E slices only?