Datasheet

 2011-2015 Microchip Technology Inc. DS40001615C-page 43
PIC12(L)F1501
FIGURE 5-1: SIMPLIFIED PIC
®
MCU CLOCK SOURCE BLOCK DIAGRAM
Start-up
Control Logic
16 MHz
Oscillator
Fast Start-up
Oscillator
31 kHz
Oscillator
Prescaler
HFINTOSC
(1)
16 MHz
8MHz
4MHz
2MHz
1MHz
*500 kHz
*250 kHz
*125 kHz
62.5 kHz
*31.25 kHz
*31 kHz
IRCF<3:0>
4
INTOSC
HFINTOSC
LFINTOSC
to CPU and
Peripherals
Sleep
FOSC
(1)
LFINTOSC
(1)
to WDT, PWRT, and
other Peripherals
* Available with more than one IRCF selection
Clock
Control
FOSC<2:0> SCS<1:0>
32
600 kHz
Oscillator
FRC
FRC
(1)
to ADC and
other Peripherals
Rev. 10-000030C
7/30/2013
CLKIN
EC
(2)
Note 1: See Section 5.2.2.4 “Peripheral Clock Sources”.
2: ST Buffer is high speed type when using T1CKI.