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PIC12CE673 データシート(PDF) 21 Page - Microchip Technology

部品番号 PIC12CE673
部品情報  8-Pin, 8-Bit CMOS Microcontroller with A/D Converter and EEPROM Data Memory
PDF  130 Pages
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メーカー  MICROCHIP [Microchip Technology]
ホームページ  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC12CE673 データシート(HTML) 21 Page - Microchip Technology

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 1997-2013 Microchip Technology Inc.
DS30561C-page 21
PIC12C67X
4.2.2.7
OSCCAL REGISTER
The Oscillator Calibration (OSCCAL) Register is used
to calibrate the internal 4 MHz oscillator. It contains four
bits for fine calibration and two other bits to either
increase or decrease frequency.
REGISTER 4-7:
OSCCAL REGISTER (ADDRESS 8Fh)
R/W-0
R/W-1
R/W-1
R/W-1
R/W-0
R/W-0
U-0
U-0
CAL3
CAL2
CAL1
CAL0
CALFST
CALSLW
—
—
R
= Readable bit
W = Writable bit
U
= Unimplemented bit,
read as ‘0’
- n = Value at POR reset
bit7
bit0
bit 7-4:
CAL<3:0>: Fine Calibration
bit 3:
CALFST: Calibration Fast
1
= Increase frequency
0
= No change
bit 2:
CALSLW: Calibration Slow
1
= Decrease frequency
0
= No change
bit 1-0:
Unimplemented: Read as ’0’
Note:
If CALFST = 1 and CALSLW = 1, CALFST has precedence.



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