PIC16F722AT-ESLASHML datasheet(80/284 Pages) MICROCHIP

Nome de Peças	PIC16F722AT-E/ML

Descrição Electrónicos	28-Pin Flash Microcontrollers with nanoWatt XLP Technology

PDF	284 Pages

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Fabricante Electrônico	MICROCHIP [Microchip Technology]

Página de início	http://www.microchip.com

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80 / 284 page

PIC16F/LF722A/723A

DS41417A-page 80

 2010 Microchip Technology Inc.

7.5

Oscillator Tuning

The INTOSC is factory calibrated but can be adjusted

in software by writing to the OSCTUNE register

(Register 7-2).

The default value of the OSCTUNE register is ‘0’. The

value is a 6-bit two’s complement number.

When the OSCTUNE register is modified, the INTOSC

frequency will begin shifting to the new frequency. Code

execution continues during this shift. There is no

indication that the shift has occurred.

OSCTUNE: OSCILLATOR TUNING REGISTER

U-0

R/W-0

—

TUN5

TUN4

TUN3

TUN2

TUN1

TUN0

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 7-6

Unimplemented: Read as ‘0’

bit 5-0

TUN<5:0>: Frequency Tuning bits

01 1111 = Maximum frequency

01 1110 =

•

00 0001 =

00 0000 = Oscillator module is running at the factory-calibrated frequency.

11 1111 =

•

10 0000 = Minimum frequency

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