DSPIC30F4011-30I-P Datasheet, PDF (153/238 Pages) Microchip Technology – High-Performance, 16-Bit Digital Signal Controllers

dsPIC30F4011/4012
FIGURE 21-1:
OSCILLATOR SYSTEM BLOCK DIAGRAM
OSC1
OSC2
Primary
Oscillator
PLL
x4, x8, x16
FPLL
PLL
Lock
Primary Osc
Primary
Oscillator
Stability Detector
Oscillator Configuration bits
PWRSAV Instruction
Wake-up Request
COSC<1:0>
NOSC<1:0>
OSWEN
POR Done
SOSCO
SOSCI
32 kHz LP
Oscillator
Internal Fast RC
Oscillator (FRC)
Oscillator
Start-up
Timer
Secondary Osc
Secondary
Oscillator
Stability Detector
Clock
Switching
and Control
Block
Programmable
Clock Divider _System
Clock
2
POST<1:0>
FRC
Internal
LPRC
Low-Power RC
Oscillator (LPRC)
FCKSM<1:0>
2
Fail-Safe Clock
Monitor (FSCM)
CF
Oscillator Trap
to Timer1
© 2010 Microchip Technology Inc.
DS70135G-page 153