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PIC12C508A-04/P 参数 Datasheet PDF下载

PIC12C508A-04/P图片预览
型号: PIC12C508A-04/P
PDF下载: 下载PDF文件 查看货源
内容描述: 8引脚, 8位CMOS微控制器 [8-Pin, 8-Bit CMOS Microcontrollers]
分类和应用: 微控制器和处理器外围集成电路光电二极管PC可编程只读存储器时钟
文件页数/大小: 113 页 / 1604 K
品牌: MICROCHIP [ MICROCHIP ]
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PIC12C5XX  
2.3  
Quick-Turnaround-Production (QTP)  
Devices  
2.0  
PIC12C5XX DEVICE VARIETIES  
A
variety of packaging options are available.  
Depending on application and production  
Microchip offers  
a QTP Programming Service for  
requirements, the proper device option can be  
selected using the information in this section. When  
placing orders, please use the PIC12C5XX Product  
Identification System at the back of this data sheet to  
specify the correct part number.  
factory production orders. This service is made  
available for users who choose not to program a  
medium to high quantity of units and whose code  
patterns have stabilized. The devices are identical to  
the OTP devices but with all EPROM locations and fuse  
options already programmed by the factory. Certain  
code and prototype verification procedures do apply  
before production shipments are available. Please con-  
tact your local Microchip Technology sales office for  
more details.  
2.1  
UV Erasable Devices  
The UV erasable version, offered in ceramic side  
brazed package, is optimal for prototype development  
and pilot programs.  
The UV erasable version can be erased and  
reprogrammed to any of the configuration modes.  
2.4  
Serialized Quick-Turnaround  
Production (SQTPSM) Devices  
Note: Please note that erasing the device will  
also erase the pre-programmed internal  
calibration value for the internal oscillator.  
The calibration value must be saved prior  
to erasing the part.  
Microchip offers a unique programming service where  
few user-defined locations in each device are  
programmed with different serial numbers. The serial  
numbers may be random, pseudo-random or  
sequential.  
a
Microchip’s PICSTART PLUS and PRO MATE pro-  
grammers all support programming of the PIC12C5XX.  
Third party programmers also are available; refer to the  
Microchip Third Party Guide for a list of sources.  
Serial programming allows each device to have a  
unique number which can serve as an entry-code,  
password or ID number.  
2.5  
Read Only Memory (ROM) Device  
2.2  
One-Time-Programmable (OTP)  
Devices  
Microchip offers masked ROM to give the customer a  
low cost option for high volume, mature products.  
The availability of OTP devices is especially useful for  
customers who need the flexibility for frequent code  
updates or small volume applications.  
The OTP devices, packaged in plastic packages permit  
the user to program them once. In addition to the  
program memory, the configuration bits must also be  
programmed.  
1999 Microchip Technology Inc.  
DS40139E-page 7  
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