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Extract MCU PIC16CR84 Code needs to attack microcontroller pic16cr84 memory, disable the mcu protection and then readout the embedded firmware from microprocessor PIC16CR84 flash memory;

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 this section. When placing orders, please use the “PIC16F8X Product Identification System” at the back of this data sheet to specify the correct part number.

There are four device “types” as indicated in the device number.

1. F, as in PIC16F84. These devices have Flash program memory and operate over the standard voltage range after Extract pic16f74a MCU.

3. CR, as in PIC16CR83. These devices have ROM program memory and operate over the standard voltage range.

4. LCR, as in PIC16LCR84. These devices have ROM program memory and operate over an extended voltage range.

These devices are offered in the lower cost plastic package, even though the device can be erased and reprogrammed. This allows the same device to be used for prototype development and pilot programs as well as production after Extract pic16c77 chip code.

A further advantage of the electrically-erasable Flash version is that it can be erased and reprogrammed in-circuit, or by device programmers, such as Microchip’s PICSTART® Plus or PRO MATE® II programmers.

Microchip offers a QTP Programming Service for 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 before Extract MCU. The devices have all Flash locations and configuration options already programmed by the factory. Certain code and prototype verification procedures do apply before production shipments are available after Extract pic16c71 MCU code.

2.3 Serialized Quick-Turnaround-Production (SQTP SM ) Devices

Microchip offers the unique programming service where a few user-defined locations in each device are programmed with different serial numbers. The serial numbers  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.

Some of Microchip’s devices have a corresponding device where the program memory is a ROM. These devices give a cost savings over Microchip’s traditional user programmed devices (EPROM, EEPROM) when Extract MCU. ROM devices (PIC16CR8X) do not allow serialization information in the program memory space. The user may program this information into the Data EEPROM.

The high performance of the PIC16CXX family can be attributed to a number of architectural features commonly found in RISC microprocessors. To begin with, the PIC16CXX uses a Harvard architecture. This architecture has the program and data accessed from separate memories. So the device has a program memory bus and a data memory bus.

This improves bandwidth over traditional von Neumann architecture where program and data are fetched from the same memory (accesses over the same bus). Separating program and data memory further allows instructions to be sized differently than the 8-bit wide data word. 

PIC16CXX opcodes are 14-bits wide, enabling single word instructions. The full 14-bit wide program memory bus fetches a 14-bit instruction in a single cycle. A two-stage pipeline overlaps fetch and execution of instructions (Example 3-1). Consequently, all instructions execute in a single cycle except for program branches.

The PIC16F83 and PIC16CR83 address 512 x 14 of program memory, and the PIC16F84 and PIC16CR84 address 1K x 14 program memory. All program memory is internal.