DSPIC30F6011A_06 Datasheet, PDF (147/238 Pages) Microchip Technology – High-Performance, 16-Bit Digital Signal Controllers

dsPIC30F6011A/6012A/6013A/6014A
FIGURE 20-1:
OSCILLATOR SYSTEM BLOCK DIAGRAM
OSC1
OSC2
Primary
Oscillator
TUN<3:0>
4
Internal Fast RC
Oscillator (FRC)
POR Done
SOSCO
SOSCI
32 kHz LP
Oscillator
FPLL
PLL
x4, x8, x16 _PLL
Lock
Primary Osc
Primary
Oscillator
Stability Detector
Oscillator
Start-up
Timer
Secondary Osc
Secondary
Oscillator
Stability Detector
Clock
Switching
and Control
Block
Oscillator Configuration bits
PWRSAV Instruction
Wake-up Request
COSC<2:0>
NOSC<2:0>
OSWEN
Programmable
Clock Divider _System
Clock
2
POST<1:0>
Internal Low- _LPRC
Power RC
Oscillator (LPRC)
FCKSM<1:0>
2
Fail-Safe Clock
Monitor (FSCM)
CF
Oscillator Trap
to Timer1
© 2006 Microchip Technology Inc.
Preliminary
DS70143C-page 145