DSPIC33FJ64GP706 datasheet(146/322 Pages) MICROCHIP

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dsPIC33FJXXXGPX06/X08/X10

DS70286C-page 144

OSCTUN: FRC OSCILLATOR TUNING REGISTER

U-0

—

bit 15

bit 8

U-0

R/W-0

—

TUN<5:0>(1)

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 15-6

Unimplemented: Read as ‘0’

bit 5-0

TUN<5:0>: FRC Oscillator Tuning bits(1)

011111

= Center frequency + 11.625% (8.23 MHz)

011110

= Center frequency + 11.25% (8.20 MHz)

•

000001

= Center frequency + 0.375% (7.40 MHz)

000000

= Center frequency (7.37 MHz nominal)

111111

= Center frequency - 0.375% (7.345 MHz)

•

100001

= Center frequency - 11.625% (6.52 MHz)

100000

= Center frequency - 12% (6.49 MHz)

Note 1: OSCTUN functionality has been provided to help customers compensate for temperature effects on the

FRC frequency over a wide range of temperatures. The tuning step size is an approximation and is neither

characterized nor tested.

DSPIC33FJ64GP706 Datasheet(PDF) 146 Page - Microchip Technology

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