UART1=0, SPI1=0, UART2=0, I2C1=0, UART0=0, I2C0=0, CMP=0, SPI0=0, USBOTG=0
System Clock Gating Control Register 4
| I2C0 | I2C0 Clock Gate Control 0 (0): Clock disabled 1 (1): Clock enabled |
| I2C1 | I2C1 Clock Gate Control 0 (0): Clock disabled 1 (1): Clock enabled |
| UART0 | UART0 Clock Gate Control 0 (0): Clock disabled 1 (1): Clock enabled |
| UART1 | UART1 Clock Gate Control 0 (0): Clock disabled 1 (1): Clock enabled |
| UART2 | UART2 Clock Gate Control 0 (0): Clock disabled 1 (1): Clock enabled |
| USBOTG | USB Clock Gate Control 0 (0): Clock disabled 1 (1): Clock enabled |
| CMP | Comparator Clock Gate Control 0 (0): Clock disabled 1 (1): Clock enabled |
| SPI0 | SPI0 Clock Gate Control 0 (0): Clock disabled 1 (1): Clock enabled |
| SPI1 | SPI1 Clock Gate Control 0 (0): Clock disabled 1 (1): Clock enabled |