You can use the Device Configurator > System tab and configure the PLL frequency. For information regarding the Device Configurator, you can refer to the ModusToolbox Device Configurator Guide
You can manually configure the PLL using the PDL SysClk driver about which you can learn about here
Question/Issue: I want to run the CPU at 150MHz, how can I achieve it? Can you provide me any document or code?
Context os: macOS: 1015.4 chip: CY8CPROTO-062-4343W PSoC 6 Wi-Fi BT PROTOTYPING KIT environment: terminal