The PIC16F18055 doubles the 18054’s program flash to 14 KB while keeping the 28-pin package, 1024 bytes of SRAM, 128 bytes of data EEPROM and the same 10-bit ADC with computation across twenty-four external plus four internal channels. Fourteen kilobytes is where sensor products start carrying protocol stacks and OTA-style boot flows, so this part’s protection settings tend to be provisioned carefully. When they are engaged, our readout encrypted PIC16F18055 code service recovers the image from hardware you own.

Reading a carefully provisioned part

The three flash partitions – application, boot and storage area – each carry independent code and write protection, and manufacturers of this memory class usually close the application block while keeping the boot block serviceable. The device information area, holding fixed voltage reference data and the Microchip unique identifier, remains separate again. A methodical readout encrypted PIC16F18055 code job reads the configuration words first, captures every recoverable region in its locked state, and treats the destructive bulk erase as permanently off the plan.

Calibration lives in EEPROM here

The 128-byte data EEPROM on this die is small but decisive: in the units we recover it holds sensor calibration records, unit serialisation and sometimes the key material that a communication protocol checks at startup. A clone without those bytes passes every functional test until the first talking-to, which is the worst kind of failure to diagnose. Our capture therefore always includes the EEPROM and the storage area block, and the report distinguishes structured records from free space so your team knows what each region was doing. Verification closes the loop: the clone is exercised against the donor’s analogue and communication behaviour on a bench fixture before delivery, a discipline described for the wider family on our PIC16F18054 program page. Remanence background for older storage technologies is in the clone microcontroller memory content remanence reference.

Key material and first-contact failures

Protocol-checked key material in a 128-byte EEPROM is this part’s most consequential content. When the bytes are wrong, the clone passes every offline test and fails at the first handshake – the field-service nightmare scenario. Our verification therefore includes the real handshake wherever the donor board allows it: the cloned part exchanges actual frames with a partner device, and the exchange is logged into the delivery. Where the partner is unavailable, the report marks the key region explicitly and warns against re-provisioning it from guesswork. Customers who inherited units this way have avoided re-provisioning whole fleets on the strength of that warning, because the alternative – a guessed key block – silently locks every unit out of its own network.

Serialisation as a maintenance asset

Units serialised in EEPROM give a service organisation something older products never had: a per-unit history that travels with the hardware. Our reports preserve the serial block verbatim and note its structure, so recovered spares can be issued with fresh serials in the same format rather than clones of an existing unit’s identity. The distinction matters for warranty audits and for anything that talks to a backend keyed by serial number. It is a small discipline, but on fleets of thousands of units it separates a clean recovery from an accidental identity collision between two live devices – the kind of incident that costs days to unwind.

When two donors disagree on calibration

Units of the same product occasionally carry different calibration blocks – one tuned on a newer fixture, one on an older line. Reading both resolves the question of which to standardise on, and the resolution is empirical: the fixture comparison shows which unit tracks a reference instrument better. Our report presents both EEPROM sets with the measurement evidence, and the recommendation follows from the data rather than from unit age. Fleets standardised this way measure consistently, which matters when the product’s readings feed a process controller or a compliance log.

Duplication

Verified images are written into matching 28-pin blanks with all three regions restored, through the MCU flash EEPROM data cloning pipeline with read-back proof on every part. Lawful-access principles are set out in the unlock microcontroller embedded memory guide.

Family links

The 7 KB sibling is on the PIC16F18054 program page, the 20-pin flagship on the PIC16F18046 memory recovery, and the 40-pin 14 KB member on the PIC16F18075 MCU page.

Scope and contact

We accept only units you own or are authorised to service. Send the locked PIC16F18055 and we will confirm the package, quote a fixed fee, and return verified code with its EEPROM map and protection notes.