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PIC12C671-04E Datasheet(PDF) 5 Page - Microchip Technology |
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PIC12C671-04E Datasheet(HTML) 5 Page - Microchip Technology |
5 / 129 page © 1999 Microchip Technology Inc. DS30561B-page 5 PIC12C67X 2.0 PIC12C67X DEVICE VARIETIES A variety of frequency ranges and packaging options are available. Depending on application and production requirements, the proper device option can be selected using the information in the PIC12C67X Product Iden- tification System section at the end of this data sheet. When placing orders, please use that page of the data sheet to specify the correct part number. For example, the PIC12C67X device “type” is indicated in the device number: 1. C, as in PIC12C671. These devices have EPROM type memory and operate over the standard voltage range. 2. LC, as in PIC12LC671. These devices have EPROM type memory and operate over an extended voltage range. 3. CE, as in PIC12CE674. These devices have EPROM type memory, EEPROM data memory and operate over the standard voltage range. 4. LCE, as in PIC12LCE674. These devices have EPROM type memory, EEPROM data memory and operate over an extended voltage range. 2.1 UV Erasable Devices The UV erasable version, offered in windowed pack- age, is optimal for prototype development and pilot pro- grams. The UV erasable version can be erased and repro- grammed to any of the configuration modes. Microchip's PICSTART® Plus and PRO MATE® pro- grammers both support the PIC12C67X. Third party programmers also are available; refer to the Microchip Third Party Guide for a list of sources. 2.2 One-Time-Programmable (OTP) Devices The availability of OTP devices is especially useful for customers who need the flexibility for frequent code updates and small volume applications. The OTP devices, packaged in plastic packages, per- mit the user to program them once. In addition to the program memory, the configuration bits must also be programmed. 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. 2.3 Quick-Turn-Programming (QTP) Devices Microchip offers a QTP Programming Service for fac- tory 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 stabi- lized. The devices are identical to the OTP devices, but with all EPROM locations and configuration options already programmed by the factory. Certain code and prototype verification procedures apply before produc- tion shipments are available. Please contact your local Microchip Technology sales office for more details. 2.4 Serialized Quick-Turn Programming (SQTPSM) Devices Microchip offers a unique programming service where a few user-defined locations in each device are pro- grammed with different serial numbers. The serial num- bers may be random, pseudo-random, or sequential. Serial programming allows each device to have a unique number which can serve as an entry-code, password, or ID number. |
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