PIC32MX1XX Datasheet, PDF (99/320 Pages) Microchip Technology – 32-bit Microcontrollers (up to 128 KB Flash and 32 KB SRAM) with Audio and Graphics Interfaces, USB, and Advanced Analog

PIC32MX1XX/2XX
REGISTER 8-1: OSCCON: OSCILLATOR CONTROL REGISTER⁽¹⁾
bit 2
UFRCEN: USB FRC Clock Enable bit⁽²⁾
1 = Enable FRC as the clock source for the USB clock source
0 = Use the Primary Oscillator or USB PLL as the USB clock source
bit 1
SOSCEN: Secondary Oscillator (SOSC) Enable bit
1 = Enable Secondary Oscillator
0 = Disable Secondary Oscillator
bit 0
OSWEN: Oscillator Switch Enable bit
1 = Initiate an oscillator switch to selection specified by NOSC<2:0> bits
0 = Oscillator switch is complete
Note 1: Writes to this register require an unlock sequence. Refer to Section 6. “Oscillator” (DS61112) in the
“PIC32 Family Reference Manual” for details.
2: This bit is available on PIC32MX2XX devices only.
© 2011-2012 Microchip Technology Inc.
Preliminary
DS61168D-page 99