System Clock Status Register
| PCK | Processor Clock Status |
| UHP | |
| UDP | USB Device Port Clock Status |
| PCK0 | Programmable Clock 0 Output Status |
| PCK1 | Programmable Clock 1 Output Status |
| PCK2 | Programmable Clock 2 Output Status |
| PCK3 | Programmable Clock 3 Output Status |
| HCK0 | HClock Output 0 Status |
| HCK1 | HClock Output 1 Status |