Iprog Eeprom Adapter Pinout Portable - Updated

However, field portability introduces challenges:

Execute a read command within the iProg software.

| iProg 20-Pin Header Pin | Function | SOIC8 Chip Pin | EEPROM Signal | | :--- | :--- | :--- | :--- | | 1 | Vcc (5V / 3.3V) | 8 | Power | | 2 | Vpp (Programming Voltage) | Not used | Usually left open | | 3 | NC | - | - | | 4 | GND | 4 | Ground | | 5 | CS (Chip Select) | 1 | CS | | 6 | SCK (Clock) | 2 | CLK | | 7 | SI (Data In) | 5 | DI / MOSI | | 8 | SO (Data Out) | 2 (Wait, conflict?) | Correction below |

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| Chip Family | iProg Pin (Function) | Chip Pin | Label | | :--- | :--- | :--- | :--- | | | 1 (Vcc) | 8 | Vcc | | | 4 (GND) | 4 | GND | | | 16 (SCL) | 6 | Clock | | | 15 (SDA) | 5 | Data | | | WP to GND | 7 | Write Protect | | 25Cxx (SPI) | 1 (Vcc) | 8 | Vcc | | | 4 (GND) | 4 | GND | | | 6 (SCK) | 6 | Clock | | | 7 (SI) | 5 | MOSI | | | 8 (SO) | 2 | MISO | | | 5 (CS) | 1 | Chip Select | | 93Cxx (Microwire) | 1 (Vcc) | 8 | Vcc | | | 4 (GND) | 4 / 5 | GND / NC | | | 14 (DO) | 2 | Data Out | | | 15 (DI) | 5 | Data In | | | 16 (SK) | 6 | Clock | | | 17 (CS) | 1 | Chip Select | | | 13 (ORG) | 7 | Organization (8/16 bit) |

Here is the universal mapping from the adapter's output pads/pins to standard EEPROM packages: 1. I2C Bus Series (24Cxx Families) Used widely in older dashboards and immobilizer modules.

Show you the for better reading.

The iPROG is a powerful tool, but it's not the only option. Here's a quick look at how it compares:

Many cheaper adapters mislabel pins 6 and 7. Let’s do the correct logical mapping for a 25x series SPI EEPROM:

Master the pinout, and you master the machine. Happy programming. If you share with third parties, their policies apply

The target circuit board may try to power up the entire microcontroller when the iProg sends 3.3V or 5V to Pin 8 of the EEPROM. If the software permits, drop the reading voltage from 5V down to 3.3V. Alternatively, use a lab power supply to power the main board footprint independently.

, allowing technicians to perform on-the-go diagnostics and chip-level repairs. Adapter Capabilities