ICSP programming example on 93c56 with REVELPROG-is serial device programmer and SOIC-8 clip:
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In-circuit serial programming (ICSP) does not require to unsolder the chip from board. This example is on Renault Scenic and Espace instrument cluster (tacho) and 93c56 SOIC-8 EEPROM memory using SOIC-8 Clip. You can find (and change) mileage, VIN, immo, config etc. information in EEPROM without removing it from board.

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