DVR datasheet(105/416 Pages) MICROCHIP

部品番号	DVR

部品情報	16-Bit General Purpose Microcontrollers with 256-Kbyte Flash and 16-Kbyte RAM in Low Pin Count Packages

PDF	416 Pages

Scroll/Zoom	100%

メーカー	MICROCHIP [Microchip Technology]

ホームページ	http://www.microchip.com

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DS30010118D-page 105

PIC24FJ256GA705 FAMILY

OSCFDIV: OSCILLATOR FRACTIONAL DIVISOR REGISTER(1)

R/W-0

TRIM<0:7>

bit 15

bit 8

R/W-0

U-0

TRIM8

—

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 15-7

TRIM<0:8> Trim bits

Provides fractional additive to the DIV<14:0> bits value for the 1/2 period of the oscillator clock.

0000_0000_0 = 0/512 (0.0) divisor added to DIVx value

0000_0000_1 = 1/512 (0.001953125) divisor added to DIVx value

0000_0001_0 = 2/512 (0.00390625) divisor added to DIVx value

•

100000000

= 256/512 (0.5000) divisor added to DIVx value

•

1111_1111_0 = 510/512 (0.99609375) divisor added to DIVx value

1111_1111_1 = 511/512 (0.998046875) divisor added to DIVx value

bit 6-0

Unimplemented: Read as ‘0’

Note 1:

TRIMx values greater than zero are ONLY valid when DIVx values are greater than zero.

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