PIC16F1503-I/ST View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F1503-I/ST

14-Pin Flash, 8-Bit Microcontrollers

Microchip Technology 

PIC16(L)F1503

FIGURE 5-1:

SIMPLIFIED PIC® MCU CLOCK SOURCE BLOCK DIAGRAM

Sleep

Rev. 10-000030C

7/30/2013

CLKIN

(2)

EC

INTOSC

FOSC(1)

to CPU and

Peripherals

HFINTOSC

Start-up

Control Logic

16 MHz

Oscillator

Fast Start-up

Oscillator

LFINTOSC

31 kHz

Oscillator

HFINTOSC(1)

IRCF<3:0>

16 MHz

8 MHz

4 MHz

2 MHz

1 MHz

*500 kHz

*250 kHz

*125 kHz

62.5 kHz

*31.25 kHz

*31 kHz

4

Clock

Control

3

FOSC<2:0>

2

SCS<1:0>

LFINTOSC(1)

FRC

600 kHz

Oscillator

FRC(1)

to ADC and

other Peripherals

* Available with more than one IRCF selection

to WDT, PWRT, and

other Peripherals

Note 1: See Section 5.2.2.4 “Peripheral Clock Sources”.

2: ST Buffer is high speed type when using T1CKI.

 2011-2015 Microchip Technology Inc.

DS40001607D-page 43

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