ENABLE=0, TICKINT=0, CLKSOURCE=0
SysTick Control and Status Register
| ENABLE | no description available 0 (0): counter disabled 1 (1): counter enabled |
| TICKINT | no description available 0 (0): counting down to 0 does not assert the SysTick exception request 1 (1): counting down to 0 asserts the SysTick exception request |
| CLKSOURCE | no description available 0 (0): external clock 1 (1): processor clock |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| COUNTFLAG | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |
| RESERVED | no description available |