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PIC18F2220 Datasheet, PDF (25/388 Pages) Microchip Technology – 28/40/44-Pin High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology | |||
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PIC18F2220/2320/4220/4320
REGISTER 2-1:
OSCTUNE: OSCILLATOR TUNING REGISTER
U-0
U-0
R/W-0 R/W-0 R/W-0
â
â
TUN5
TUN4
TUN3
bit 7
R/W-0
TUN2
R/W-0
TUN1
R/W-0
TUN0
bit 0
bit 7-6
bit 5-0
Unimplemented: Read as â0â
TUN<5:0>: Frequency Tuning bits
011111 = Maximum frequency (+12.5%, approximately)
â¢
â¢
â¢
â¢
000001
000000 = Center frequency. Oscillator module is running at the calibrated frequency.
111111
â¢
â¢
â¢
â¢
100000 = Minimum frequency (-12.5%, approximately)
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
â1â = Bit is set
U = Unimplemented bit, read as â0â
â0â = Bit is cleared x = Bit is unknown
 2003 Microchip Technology Inc.
DS39599C-page 23
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