PIC16LF18854 Datasheet, PDF (110/668 Pages) Microchip Technology – C Compiler Optimized RISC Architecture

FIGURE 6-1:
SIMPLIFIED PIC^® MCU CLOCK SOURCE BLOCK DIAGRAM
CLKIN/ OSC1
External
Oscillator
(EXTOSC)
CLKOUT/ OSC2
SOSCIN/SOSCI
Secondary
Oscillator
(SOSC)
SOSCO
LFINTOSC
31kHz
Oscillator
4x PLL
2x PLL
HFINTOSC
HFFRQ<2:0>
1 – 32 MHz
Oscillator
COSC<2:0>
111
001
010
100
101
110
000
011
CDIV<4:0>
512
1001
256
1000
128
0111
64 ₀₁₁₀
32 ₀₁₀₁
16 ₀₁₀₀
8
0011
4
0010
2
0001
1
0000
Sleep
Sleep
Idle
SYSCMD
FSCM
To Peripherals
SOSC_clk
To Peripherals
Rev. 10-000208F
12/28/2015
System Clock
Peripheral Clock