参数资料
型号: PIC12F508-I/P
厂商: Microchip Technology
文件页数: 19/44页
文件大小: 0K
描述: IC MCU FLASH 512X12 8DIP
产品培训模块: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
标准包装: 60
系列: PIC® 12F
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: 闪存
RAM 容量: 25 x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 8-DIP(0.300",7.62mm)
包装: 管件
产品目录页面: 637 (CN2011-ZH PDF)
配用: AC162059-ND - HEADER INTRFC MPLAB ICD2 8/14PIN
DM163029-ND - BOARD PICDEM FOR MECHATRONICS
DVA12XP080-ND - ADAPTER DEVICE FOR MPLAB-ICE
AC124001-ND - MODULE SKT PROMATEII 8DIP/SOIC
PIC12F508/509/16F505
DS41236E-page 26
2009 Microchip Technology Inc.
4.6
OSCCAL Register
The Oscillator Calibration (OSCCAL) register is used to
calibrate the internal precision 4 MHz oscillator. It
contains seven bits for calibration
.
After you move in the calibration constant, do not
change the value. See Section 7.2.5 “Internal 4 MHz
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.
REGISTER 4-5:
OSCCAL REGISTER (ADDRESS: 05h)
R/W-1
R/W-0
CAL6
CAL5
CAL4
CAL3
CAL2
CAL1
CAL0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘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
bit 0
Unimplemented: Read as ‘0’
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