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AN747
| Title |
Title
Communicating with Daisy Chained MCP42XXX Digital Potentiometers
|
|---|---|
| Name |
Name
AN747
|
| Date |
Date
06/24/2015
|
| Application Categories |
Application Categories
Peripheral /
SPI
Signal Conditioning & Measurement /
Digital Potentiometer
|
| Product Categories |
Product Categories
8-bit MCU
Mixed Signal /
Digital Potentiometers
|
| Description |
Description
The MCP41XXX and MCP42XXX family of digital potentiometers allow for daisy chaining of multiple devices on a single SPI? bus. It is possible to communicate to multiple devices using one 3-wire data bus (CS, CLK and DATA), by connecting the SO pin on one device to the SI pin of the next device in the chain. This application note details one example of source code that is used to communicate with eight daisy chained devices.
|
Files
| Title | Title | Download | Date | Size |
|---|---|---|---|---|
| AN747 Source Code - Communicating with Daisy Chained MCP42XXX Digital Potentiometers 2.3 KB 06/24/2015 | AN747 Source Code - Communicating with Daisy Chained MCP42XXX Digital Potentiometers | Download | 06/24/2015 | 2.3 KB |
Silicon Products
| Title | Product | Title |
|---|---|---|
|
MCP42010
8-Bit Dual Digital POT with SPI
|
MCP42010 | 8-Bit Dual Digital POT with SPI |
|
MCP42100
8-Bit Dual Digital POT with SPI
|
MCP42100 | 8-Bit Dual Digital POT with SPI |
|
MCP42050
8-Bit Dual Digital POT with SPI
|
MCP42050 | 8-Bit Dual Digital POT with SPI |
|
MCP41050
8-Bit Single Digital POT with SPI
|
MCP41050 | 8-Bit Single Digital POT with SPI |
|
MCP41100
8-Bit Single Digital POT with SPI
|
MCP41100 | 8-Bit Single Digital POT with SPI |
|
MCP41010
8-Bit Single Digital POT with SPI
|
MCP41010 | 8-Bit Single Digital POT with SPI |