| iPROG pin | SOIC8 chip pin | SPI function | I²C function | |-----------|----------------|--------------|----------------| | 1 (VCC) | 8 | VCC | VCC | | 3 (SCL/CLK) | 6 (SCLK) | CLK | (unused) | | 4 (SDA) | 5 (MOSI) | MOSI | (unused) | | 5 (CS) | 1 (CS) | CS | (unused) | | 6 (MISO) | 2 (MISO) | MISO | (unused) | | 8 (GND) | 4 (GND) | GND | GND |
Converts the standard DB44 main unit connector into standard chip footprints (SOP8, DIP8).
When using the "SOIC8 Clip" for portable reading, ensure the chip's legs are free of resin or coating to maintain a stable data connection. iprog eeprom adapter pinout portable
Power the laptop via a 12V car inverter or a high-capacity power bank to prevent voltage drops during a write cycle. 5. Step-by-Step Instructions: Reading an EEPROM On the Go
. It is particularly valued for its "portable" form factor, typically measuring roughly | iPROG pin | SOIC8 chip pin |
: Serial Data Output (Connects to iProg RX/SDA line) Pin 3 (WP) : Write Protect Pin 4 (GND) : Ground Connection Pin 5 (SI) : Serial Data Input (Connects to iProg TX line) Pin 6 (SCK) : Serial Clock (Connects to iProg SCL line) Pin 7 (HOLD) : Hold Pin (Usually tied to VCC) Pin 8 (VCC) : 3.3V or 5V Power Supply 3. 93Cxxx Series (MicroWire Bus)
For portable use without desoldering the chip, a "SOIC8 Test Clip" is used. This connects directly to the iProg main unit or via the adapter. 93Cxxx Series (MicroWire Bus) For portable use without
The standard iProg EEPROM adapter maps the main DB44 connector to standard 8-pin EEPROM layouts. Below is the typical pin configuration for standard , 25Cxxx , and 95xxx series chips on the adapter board. Standard 8-Pin EEPROM Layout (SOP8/DIP8) Pin Number Signal Name Description Pin 1 Chip Select (25/95 series) or No Connection (24 series) Pin 2 Serial Data Output Pin 3 Write Protect (Often tied to VCC or GND) Pin 4 Ground / Negative Power Supply Pin 5 SI / MOSI / SDA Serial Data Input / Serial Data Line Pin 6 Serial Clock Line Pin 7 Hold Signal (25/95 series) or No Connection Pin 8 Power Supply (Typically 3.3V or 5.0V) 3. Microchip 93C Series Pinout (Microwire)
→ SOIC8 chip side