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Overview
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The MCP46XX PICtail™ Plus Daughter Board demonstrates the features and abilities of Microchip’s MCP45XX and MCP46XX Digital Potentiometers. This board is designed to exclusively use the MCP46X1 devices. The MCP4661 uses an I2C™ interface and can be controlled via the PICkit Serial Analyzer interface or via the PICtail™ Plus interface.
- PICkit Serial Analyzer Interface
- PICtail Plus Interface
- MAX4582L High Voltage analog switch to allow HVC voltage to be selected as one of four voltages
- (VSS, 3.3V, 5.0V, or 9.0V) - High Voltage command support
- Jumpers to connect Wiper pins (W0 and W1) to the PICDEM Analog Channels
- Jumper to allow AVDD to be driven by external power supply while connected to the PICDEM board or the PICkit Serial Analyzer
- Jumpers to allow Terminal A pins to be connected to the AVDD or VAx (0,1)pad
- Jumpers to allow Terminal B pins to be connected to the VSS or VBx (0,1) pad
- Connection point for easy connection to the Resistor Network Terminal pins
- PIC24 C program using standard Microchip “C” I2C™ Libraries
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Documentation
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| 7/8-Bit Single/Dual I2C Digital POT with Non-Volatile Memory | Data Sheets | Download | ||
| MCP453X/455X/463X/465X -7/8-Bit Single/Dual I2C Digital POT with Volatile Memory | Data Sheets | Download | ||
| Understanding Digital Potentiometers Resistor Variations | Application Notes | Link | Download | |
| MCP46XX PICtail Plus Daughter Board User's Guide | User Guide | Download | ||
| MCP46XX PICtail Plus Daughter Board Firmware | Software Libraries and Firmware | Download | ||
| MCP42XX PICtail Plus Daughter Board Gerbers | Board Design Files | Download |