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PLL Clock Setting

The MCBXC167 board ships with an 8MHz crystal. The following setting configures the Phase Locked Loop (PLL) unit of the XC167 for a 40MHz internal clock using the 8MHz crystal.

  _PLLODIV _PLLIDIV _PLLVB _PLLMUL PLLCTRL _PLLWRI
Value 3 0 2 19 3 don't care

The XC167 controller may operate on several different internal clock frequencies, up to 40MHz, by changing the PLL values. See the example project: BOARDS\KEIL MCB-XC167\PLL_DEMO.

For more information, refer to the XC167 System Users Manual.

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