DSPIC30F4012 Microchip Technology Inc., DSPIC30F4012 Datasheet - Page 149

• Manufacturer Part Number: DSPIC30F4012
• Description: Dspic30f4011/4012 Enhanced Flash 16-bit Digital Signal Controller
• Manufacturer: Microchip Technology Inc.

FIGURE 21-1:
© 2007 Microchip Technology Inc.
SOSCO
SOSCI
OSC1
OSC2
Internal Fast RC
POR Done
Oscillator (FRC)
32 kHz LP
Oscillator
OSCILLATOR SYSTEM BLOCK DIAGRAM
Oscillator
Primary
FCKSM<1:0>
Oscillator (LPRC)
Stability Detector
Stability Detector
Low-Power RC
x4, x8, x16
Secondary
Oscillator
Oscillator
Oscillator
Start-up
Primary
Internal
Timer
PLL
Secondary Osc
Primary Osc
2
FRC
F
PLL
Lock
LPRC
PLL
dsPIC30F4011/4012
Monitor (FSCM)
Fail-Safe Clock
and Control
Switching
Clock
Block
Oscillator Configuration bits
Programmable
PWRSAV Instruction
OSWEN
Clock Divider
COSC<1:0>
NOSC<1:0>
POST<1:0>
Oscillator Trap
CF
Wake-up Request
DS70135E-page 147
2
to Timer1
System
Clock