Power extended status and status clear register
| C1CSSF | Clear CPU1 Stop Standby flags |
| C1SBF | System Standby flag for CPU1. (no core states retained) |
| C1STOP2F | System Stop2 flag for CPU1. (partial core states retained) |
| C1STOPF | System Stop0, 1 flag for CPU1. (All core states retained) |
| C1DS | CPU1 deepsleep mode |