参数资料
型号: PIC12C508/JW
厂商: Microchip Technology
文件页数: 24/113页
文件大小: 0K
描述: IC MCU EPROM 512X12 8CDIP
标准包装: 56
系列: PIC® 12C
核心处理器: PIC
芯体尺寸: 8-位
速度: 4MHz
外围设备: POR,WDT
输入/输出数: 5
程序存储器容量: 768B(512 x 12)
程序存储器类型: EPROM,UV
RAM 容量: 25 x 8
电压 - 电源 (Vcc/Vdd): 2.5 V ~ 5.5 V
振荡器型: 内部
工作温度: 0°C ~ 70°C
封装/外壳: 8-CDIP(0.300",7.62mm)窗口
包装: 管件
配用: DVMCPA-ND - KIT DVR BOARD EVAL SYSTEM MXDEV1
DVA12XP080-ND - ADAPTER DEVICE FOR MPLAB-ICE
AC124001-ND - MODULE SKT PROMATEII 8DIP/SOIC
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
R/W-1
R/W-0
U-0
CAL3
CAL2
CAL1
CAL0
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>: Calibration
bit 3-0: Unimplemented: Read as ’0’
R/W-1
R/W-0
U-0
CAL5
CAL4
CAL3
CAL2
CAL1
CAL0
R
= Readable bit
W = Writable bit
U
= Unimplemented bit,
read as ‘0’
- n = Value at POR reset
bit7
bit0
bit 7-2:
CAL<5:0>: Calibration
bit 1-0: Unimplemented: Read as ’0’
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