PIC16F1454T-IP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F1454T-IP

14/20-Pin Flash, 8-Bit USB Microcontrollers with XLP Technology

Microchip Technology 

PIC16(L)F1454/5/9

FIGURE 5-1:

SIMPLIFIED PIC® MCU CLOCK SOURCE BLOCK DIAGRAM

FOSC<2:0>

SPLLMULT

PLLMULT

3

SPLLEN

PLLEN

CLKIN/ OSC1/

SOSCI/ T1CKI

CLKOUT / OSC2

SOSCO/ T1G

Active Clock

Tuning

16 MHz

Internal OSC

Start-Up

OSC

Start-up

Control Logic

Primary

Oscillator

(OSC)

INTOSC

(16 or 8 MHz)

3x/4x PLL

Primary Clock

Secondary

Oscillator

(SOSC)

SOSC_clk

IRCF<3:0>

Secondary Clock

INTOSC

4

HFINTOSC

16 MHz

8 MHz

4 MHz

2 MHz

1 MHz

500 kHz

250 kHz

125 kHz

62.5 kHz

31.25 kHz

31 kHz

Clock

Control

2

3

CPUDIV<1:0>

CPU

Divider

FSEN

FOSC

1

to

0 CPU and

Peripherals

USB

Divider

48 MHz 1

6 MHz 0

USB

Clock

Source

USBLSCLK

Sleep

SCS<1:0>

FOSC<2:0>

31 kHz

Source

LFINTOSC

LFINTOSC

to WDT, PWRT

and other Modules

DS41639A-page 58

Preliminary

 2012 Microchip Technology Inc.

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