PIC18F-LF1XK50 Datasheet, PDF (16/420 Pages) Microchip Technology – 20-Pin USB Flash Microcontrollers

PIC18F/LF1XK50
FIGURE 2-1:
PIC^® MCU CLOCK SOURCE BLOCK DIAGRAM
PIC18F/LF1XK50
OSC1
OSC2
T1OSI
T1OSO
Primary
Oscillator
Sleep
PCLKEN
PRI_SD
Internal
Oscillator
Block
16 MHz
HFINTOSC
31 kHz
LFINTOSC
Secondary
Oscillator
2
1 Low Speed USB
0
USBDIV
High Speed USB
4 x PLL
1
0
FOSC<3:0>
PLLEN
SPLLEN
IRCF<2:0>
16 MHz
111
8 MHz
110
4 MHz
101
2 MHz
100
1 MHz
011
500 kHz
010
250 kHz
001
1 31 kHz ₀₀₀
0
INTSRC
CPU
Divider
IDLEN
00
Sleep
1x ^System
Clock
01 Sleep
Peripherals
CPU
FOSC<3:0>
Clock
Control SCS<1:0>
T1OSCEN
Enable
Oscillator
Watchdog
Timer
Fail-Safe
Clock
Two-Speed
Start-up
DS41350E-page 16
Preliminary
 2010 Microchip Technology Inc.