USBRAM=DISABLE, USART=DISABLE, I2C=DISABLE, GROUP0INT=DISABLE, RAM1=DISABLE, SSP1=DISABLE, CT32B1=DISABLE, PINT=DISABLE, IOCON=DISABLE, ROM=DISABLE, USB=DISABLE, SSP0=DISABLE, CT32B0=DISABLE, CT16B1=DISABLE, WWDT=DISABLE, FLASHARRAY=DISABLE, RAM0=DISABLE, FLASHREG=DISABLE, GROUP1INT=DISABLE, ADC=DISABLE, CT16B0=DISABLE, GPIO=DISABLE, SYS=RESERVED
System clock control
| SYS | Enables the clock for the AHB, the APB bridge, the Cortex-M0 FCLK and HCLK, SysCon, and the PMU. This bit is read only and always reads as 1. 0 (RESERVED): Reserved 1 (ENABLE): Enable |
| ROM | Enables clock for ROM. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| RAM0 | Enables clock for RAM. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| FLASHREG | Enables clock for flash register interface. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| FLASHARRAY | Enables clock for flash array access. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| I2C | Enables clock for I2C. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| GPIO | Enables clock for GPIO port registers. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| CT16B0 | Enables clock for 16-bit counter/timer 0. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| CT16B1 | Enables clock for 16-bit counter/timer 1. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| CT32B0 | Enables clock for 32-bit counter/timer 0. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| CT32B1 | Enables clock for 32-bit counter/timer 1. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| SSP0 | Enables clock for SSP0. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| USART | Enables clock for UART. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| ADC | Enables clock for ADC. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| USB | Enables clock to the USB register interface. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| WWDT | Enables clock for WWDT. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| IOCON | Enables clock for I/O configuration block. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| RESERVED | Reserved |
| SSP1 | Enables clock for SSP1. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| PINT | Enables clock to GPIO Pin interrupts register interface. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| RESERVED | Reserved |
| GROUP0INT | Enables clock to GPIO GROUP0 interrupt register interface. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| GROUP1INT | Enables clock to GPIO GROUP1 interrupt register interface. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| RESERVED | Reserved |
| RAM1 | Enables SRAM1 block at address 0x2000 0000. See Section 3.1 for availability of this bit. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| USBRAM | Enables USB SRAM block at address 0x2000 4000. 0 (DISABLE): Disable 1 (ENABLE): Enable |
| RESERVED | Reserved |