Clock Circuitry

The PIC32CXMTSH generates its necessary clocks based on a slow clock (SLCK) oscillator running at 32.768 kHz. By default, a low-power 32.768 kHz crystal oscillator, Y1, is assembled. For more information about this crystal, refer to the VMK3-9001-32K7680000 Data Sheet.

For evaluation purposes, the board also supports the use of a quartz crystal of 16.384 MHz, Y2, instead of using SLCK. For more information about this crystal, refer to the VXM7-9060-16M3840000 Data Sheet.

Figure 1. Crystal Oscillators Schematic
Note: To use the 16.384 MHz crystal, R25 and R26 must be soldered.