
dsPIC30F4011/4012
DS70135G-page 152
2010 Microchip Technology Inc.
TABLE 21-1:
OSCILLATOR OPERATING MODES
Oscillator Mode
Description
XTL
200 kHz-4 MHz crystal on OSC1:OSC2
XT
4 MHz-10 MHz crystal on OSC1:OSC2
XT w/PLL 4x
4 MHz-10 MHz crystal on OSC1:OSC2, 4x PLL enabled
XT w/PLL 8x
4 MHz-10 MHz crystal on OSC1:OSC2, 8x PLL enabled
XT w/PLL 16x
4 MHz-10 MHz crystal on OSC1:OSC2, 16x PLL enabled(1)
LP
32 kHz crystal on SOSCO:SOSCI(2)
HS
10 MHz-25 MHz crystal
EC
External clock input (0-40 MHz)
ECIO
External clock input (0-40 MHz), OSC2 pin is I/O
EC w/PLL 4x
External clock input (0-40 MHz), OSC2 pin is I/O, 4x PLL enabled(1)
EC w/PLL 8x
External clock input (0-40 MHz), OSC2 pin is I/O, 8x PLL enabled(1)
EC w/PLL 16x
External clock input (0-40 MHz), OSC2 pin is I/O, 16x PLL enabled(1)
ERC
External RC oscillator, OSC2 pin is FOSC/4 output(3)
ERCIO
External RC oscillator, OSC2 pin is I/O(3)
FRC
8 MHz internal RC oscillator
FRC w/PLL 4x
7.37 MHz Internal RC oscillator, 4x PLL enabled
FRC w/PLL 8x
7.37 MHz Internal RC oscillator, 8x PLL enabled
FRC w/PLL 16x
7.37 MHz Internal RC oscillator, 16x PLL enabled
LPRC
512 kHz internal RC oscillator
Note 1:
The dsPIC30F maximum operating frequency of 120 MHz must be met.
2:
LP oscillator can be conveniently shared as a system clock, as well as a Real-Time Clock for Timer1.
3:
Requires external R and C. Frequency operation up to 4 MHz.