High Frequency Peripheral Clock Enable Register 0
| USART0 | Universal Synchronous/Asynchronous Receiver/Transmitter 0 Clock Enable |
| USART1 | Universal Synchronous/Asynchronous Receiver/Transmitter 1 Clock Enable |
| USART2 | Universal Synchronous/Asynchronous Receiver/Transmitter 2 Clock Enable |
| USART3 | Universal Synchronous/Asynchronous Receiver/Transmitter 3 Clock Enable |
| TIMER0 | Timer 0 Clock Enable |
| TIMER1 | Timer 1 Clock Enable |
| I2C0 | I2C 0 Clock Enable |
| I2C1 | I2C 1 Clock Enable |
| ACMP0 | Analog Comparator 0 Clock Enable |
| ACMP1 | Analog Comparator 1 Clock Enable |
| CRYOTIMER | CRYOTIMER Clock Enable |
| ADC0 | Analog to Digital Converter 0 Clock Enable |
| TRNG0 | True Random Number Generator 0 Clock Enable |