indicates the state of the clock enable
| CLK_PERI_SPI0 | |
| CLK_SYS_SPI0 | |
| CLK_PERI_SPI1 | |
| CLK_SYS_SPI1 | |
| CLK_SYS_SRAM0 | |
| CLK_SYS_SRAM1 | |
| CLK_SYS_SRAM2 | |
| CLK_SYS_SRAM3 | |
| CLK_SYS_SRAM4 | |
| CLK_SYS_SRAM5 | |
| CLK_SYS_SRAM6 | |
| CLK_SYS_SRAM7 | |
| CLK_SYS_SRAM8 | |
| CLK_SYS_SRAM9 | |
| CLK_SYS_SYSCFG | |
| CLK_SYS_SYSINFO | |
| CLK_SYS_TBMAN | |
| CLK_REF_TICKS | |
| CLK_SYS_TICKS | |
| CLK_SYS_TIMER0 | |
| CLK_SYS_TIMER1 | |
| CLK_SYS_TRNG | |
| CLK_PERI_UART0 | |
| CLK_SYS_UART0 | |
| CLK_PERI_UART1 | |
| CLK_SYS_UART1 | |
| CLK_SYS_USBCTRL | |
| CLK_USB | |
| CLK_SYS_WATCHDOG | |
| CLK_SYS_XIP | |
| CLK_SYS_XOSC |