參數(shù)資料
型號(hào): PIC12CR509A
廠商: Microchip Technology Inc.
英文描述: 8-Pin, 8-Bit CMOS Microcontrollers
中文描述: 8引腳,8位CMOS微控制器
文件頁數(shù): 18/113頁
文件大?。?/td> 1604K
代理商: PIC12CR509A
PIC12C5XX
DS40139E-page 18
1999 Microchip Technology Inc.
4.5
OSCCAL Register
The Oscillator Calibration (OSCCAL) register is used to
calibrate the internal 4 MHz oscillator. It contains four to
six bits for calibration. Increasing the cal value
increases the frequency. See Section 7.2.5 for more
information on the internal oscillator.
FIGURE 4-6:
OSCCAL REGISTER (ADDRESS 05h) FOR PIC12C508 AND PIC12C509
FIGURE 4-7:
OSCCAL REGISTER (ADDRESS 05h) FOR PIC12C508A/C509A/CR509A/12CE518/
12CE519
R/W-0
CAL3
bit7
R/W-1
CAL2
R/W-1
CAL1
R/W-1
CAL0
R/W-0
R/W-0
U-0
U-0
R
W = Writable bit
U
= Unimplemented bit,
read as ‘0’
- n = Value at POR reset
= Readable bit
bit0
bit 7-4:
bit 3-0:
Unimplemented:
Read as ’0’
CAL<3:0>:
Calibration
R/W-1
CAL5
bit7
R/W-0
CAL4
R/W-0
CAL3
R/W-0
CAL2
R/W-0
CAL1
R/W-0
CAL0
U-0
U-0
R
W = Writable bit
U
= Unimplemented bit,
read as ‘0’
- n = Value at POR reset
= Readable bit
bit0
bit 7-2:
CAL<5:0>:
Calibration
bit 1-0:
Unimplemented:
Read as ’0’
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