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Unlock MCU PIC16C558 Program out from the flash memory and then readout the firmware from it, copy microcontroller content to blank PIC16F558 which will provide the same functions;

Unlock MCU PIC16C558 Program out from the flash memory and then readout the firmware from it, copy microcontroller content to blank PIC16F558 which will provide the same functions

The UV erasable version, offered in CERDIP package is optimal for prototype development and pilot programs. This version can be erased and reprogrammed to any of the oscillator modes.

Microchip’s   PICSTART®   and   PROMATE® programmers both support programming of the PIC16C558.

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 when Unlock MCU. 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 production shipments are available after recover IC code.

Microchip offers a 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.

The high performance of the PIC16C55X(A) family can be attributed to a number of architectural features commonly found in RISC microprocessors. To begin with, the PIC16C55X(A) uses a Harvard architecture, in which, program and data are accessed from separate memories using separate busses.

This improves bandwidth over traditional von Neumann architecture where program and data are fetched from the same memory. Separating program and data memory further allows instructions to be sized differently than 8-bit wide data words. Instruction opcodes are 14-bits wide making it possible to have all single word instructions.

A 14-bit wide program memory access bus fetches a 14-bit instruction in a single cycle. A two-stage pipeline overlaps fetch and execution of instructions. Consequently, all instructions (35) execute in a single-cycle (200 ns @ 20 MHz) except for program branches if CPLD crack.

The PIC16C554(A) addresses 512 x 14 on-chip program memory. The PIC16C556A addresses 1K x 14 program memory. The PIC16C558(A) addresses 2K x 14 program memory. All program memory is internal. The PIC16C55X(A) can directly or indirectly address its register files or data memory.

All special function registers including the program counter are mapped into the data memory. The PIC16C55X(A) have an orthogonal (symmetrical) instruction set that makes it possible to carry out any operation on any register using any addressing mode. This symmetrical nature and lack of ‘special optimal situations’ make programming with the PIC16C55X(A) simple yet efficient. In addition, the learning curve is reduced significantly.

The availability of OTP devices is especially useful for customers who need the flexibility for frequent code updates and small volume applications. In addition to the program memory, the configuration bits must also be programmed.