參數(shù)資料
型號: PIC12F506
廠商: Microchip Technology Inc.
英文描述: 8/14-Pin, 8-Bit Flash Microcontroller
中文描述: 8/14-Pin,8位閃存微控制器
文件頁數(shù): 24/116頁
文件大小: 907K
代理商: PIC12F506
PIC12F510/16F506
DS41268C-page 22
Preliminary
2007 Microchip Technology Inc.
4.5
OSCCAL Register
The Oscillator Calibration (OSCCAL) register is used to
calibrate the internal precision 4/8 MHz oscillator. It
contains seven bits for calibration
.
After you move in the calibration constant, do not change
the value. See
Section 10.2.5 “Internal 4/8 MHz RC
Oscillator”
.
REGISTER 4-5:
Note:
Erasing the device will also erase the pre-
programmed internal calibration value for
the internal oscillator. The calibration
value must be read prior to erasing the
part so it can be reprogrammed correctly
later.
OSCCAL: OSCILLATOR CALIBRATION REGISTER
R/W-1
CAL6
R/W-1
CAL5
R/W-1
CAL4
R/W-1
CAL3
R/W-1
CAL2
R/W-1
CAL1
R/W-1
CAL0
U-0
bit 7
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-1
CAL<6:0>
: Oscillator Calibration bits
0111111
= Maximum frequency
0000001
0000000
= Center frequency
1111111
1000000
=Minimum frequency
Unimplemented
:
Read as ‘
0
bit 0
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