IDXCMD=DISABLE, CMD=NONE
Control B Clear
| DIR | Counter Direction  |  
| LUPD | Lock Update  |  
| ONESHOT | One-Shot  |  
| IDXCMD | Ramp Index Command 0 (DISABLE): Command disabled: Index toggles between cycles A and B 1 (SET): Set index: cycle B will be forced in the next cycle 2 (CLEAR): Clear index: cycle A will be forced in the next cycle 3 (HOLD): Hold index: the next cycle will be the same as the current cycle  |  
| CMD | TCC Command 0 (NONE): No action 1 (RETRIGGER): Clear start, restart or retrigger 2 (STOP): Force stop 3 (UPDATE): Force update of double buffered registers 4 (READSYNC): Force COUNT read synchronization  |