Clocking

CPU Clock Frequency

The frequency of the primary CPU core clock (GCLK1). The frequency of the secondary CPU core clock (GCLK2) is equal to the primary. All other clocks on the hardware board derive their frequency as a fraction of the primary CPU core clock frequency.

Settings

Default: 300

300, 330

System Clock Frequency

The frequency of the system clock (HCLK).

Note

The system clock frequency is automatically determined and set by CPU Clock Frequency.

Settings

Default: 150

150, 110

Primary Peripheral Clock Frequency

The frequency of the primary peripheral clock (VCLK).

Note

The primary peripheral clock frequency is automatically determined and set by CPU Clock Frequency.

Settings

Default: 75

75, 110