pub type R = R<TICK_SPEC>;
Register TICK reader
TICK
struct R { /* private fields */ }
Bits 0:8 - Total number of clk_tick cycles before the next tick.
Bit 9 - start / stop tick generation
Bit 10 - Is the tick generator running?
Bits 11:19 - Count down timer: the remaining number clk_tick cycles before the next tick is generated.