PIC24F16KL402 Datasheet, PDF (177/260 Pages) Microchip Technology – Low-Power, Low-Cost, General Purpose 16-Bit Flash Microcontrollers with nanoWatt XLP Technology

PIC24F16KL402 FAMILY
REGISTER 23-3: FOSCSEL: OSCILLATOR SELECTION CONFIGURATION REGISTER
R/P-1
R/P-1
R/P-1
U-0
U-0
R/P-0
R/P-0
IESO
LPRCSEL SOSCSRC
—
—
FNOSC2
FNOSC1
bit 7
R/P-1
FNOSC0
bit 0
Legend:
R = Readable bit
-n = Value at POR
P = Programmable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
bit 6
bit 5
bit 4-3
bit 2-0
IESO: Internal External Switchover bit
1 = Internal External Switchover mode is enabled (Two-Speed Start-up is enabled)
0 = Internal External Switchover mode is disabled (Two-Speed Start-up is disabled)
LPRCSEL: Internal LPRC Oscillator Power Select bit
1 = High-Power/High-Accuracy mode
0 = Low-Power/Low-Accuracy mode
SOSCSRC: Secondary Oscillator Clock Source Configuration bit
1 = SOSC analog crystal function is available on the SOSCI/SOSCO pins
0 = SOSC crystal is disabled; digital SCLKI function is selected on the SOSCO pin
Unimplemented: Read as ‘0’
FNOSC<2:0>: Oscillator Selection bits
111 = 8 MHz FRC Oscillator with divide-by-N (FRCDIV)
110 = 500 kHz Low-Power FRC Oscillator with divide-by-N (LPFRCDIV)
101 = Low-Power RC Oscillator (LPRC)
100 = Secondary Oscillator (SOSC)
011 = Primary Oscillator with PLL module (HS+PLL, EC+PLL)
010 = Primary Oscillator (XT, HS, EC)
001 = 8 MHz FRC Oscillator with divide-by-N with PLL module (FRCDIV+PLL)
000 = 8 MHz FRC Oscillator (FRC)
 2011 Microchip Technology Inc.
DS31037B-page 177