PIC16LF1508 Datasheet, PDF (50/384 Pages) Microchip Technology – 20-Pin Flash, 8-Bit Microcontrollers with nanoWatt XLP Technology

PIC16(L)F1508/9
FIGURE 5-1:
SIMPLIFIED PIC^® MCU CLOCK SOURCE BLOCK DIAGRAM
CLKIN/ OSC1/
SOSCI/ T1CKI
CLKOUT / OSC2
SOSCO/ T1G
Start-up
Control Logic
16 MHz
Primary OSC
Start-Up
OSC
31 kHz
Source
Primary
Oscillator
(OSC)
Secondary
Oscillator
(SOSC)
Primary Clock
Secondary Clock
Sleep
CPU and
Peripherals
IRCF<3:0>
4
16 MHz
8 MHz
4 MHz
2 MHz
1 MHz
500 kHz
250 kHz
125 kHz
62.5 kHz
31.25 kHz
31 kHz
INTOSC
Clock
Control
3
2
FOSC<2:0> _SCS<1:0>
WDT, PWRT and other Modules
DS41609A-page 50
Preliminary
 2011 Microchip Technology Inc.