© 2009-2012 Microchip Technology Inc. DS70580C-page 7-1
Oscillator
7
Section 7. Oscillator
HIGHLIGHTS
This section of the manual contains the following topics:
7.1 Introduction .................................................................................................................... 7-2
7.2 CPU Clocking................................................................................................................. 7-4
7.3 Oscillator Configuration Registers ................................................................................. 7-5
7.4 Special Function Registers ............................................................................................ 7-8
7.5 Primary Oscillator (POSC)............................................................................................. 7-18
7.6 Internal Fast RC (FRC) Oscillator ................................................................................ 7-22
7.7 Phase-Locked Loop (PLL) ........................................................................................... 7-23
7.8 Low-Power Secondary Oscillator (SOSC)..................................................................... 7-28
7.9 Low-Power RC (LPRC) Oscillator................................................................................ 7-29
7.10 Auxiliary Oscillator .......................................................................................................7-30
7.11 Auxiliary Phase-Locked Loop (APLL) .......................................................................... 7-31
7.12 Fail-Safe Clock Monitor (FSCM) .................................................................................. 7-34
7.13 Clock Switching............................................................................................................7-35
7.14 Two-Speed Start-up ..................................................................................................... 7-39
7.15 Register Maps..............................................................................................................7-40
7.16 Related Application Notes............................................................................................ 7-41
7.17 Revision History ...........................................................................................................7-42
