dspic33fj128mc706at-i-pt Microchip Technology Inc., dspic33fj128mc706at-i-pt Datasheet - Page 152

• Manufacturer Part Number: dspic33fj128mc706at-i-pt
• Description: High-performance, 16-bit Digital Signal Controllers
• Manufacturer: Microchip Technology Inc.

dsPIC33FJXXXMCX06A/X08A/X10A
REGISTER 9-4:
DS70594A-page 150
bit 15
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 15-6
bit 5-0
Note 1:
U-0
U-0
—
—
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.
Unimplemented: Read as ‘0’
TUN<5:0>: FRC Oscillator Tuning bits
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)
U-0
U-0
—
—
OSCTUN: FRC OSCILLATOR TUNING REGISTER
W = Writable bit
‘1’ = Bit is set
R/W-0
U-0
—
R/W-0
U-0
Preliminary
—
(1)
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-0
U-0
—
TUN<5:0>
R/W-0
(1)
U-0
—
© 2009 Microchip Technology Inc.
x = Bit is unknown
R/W-0
U-0
—
R/W-0
U-0
—
bit 8
bit 0