Difference between revisions of "SPI-POTX2"
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== Driver Software == | == Driver Software == | ||
| − | * [https://github.com/land-boards/lb-Arduino-Code/tree/master/LBCards/SPIPOTX2 SPI-POT-X2 GitHub Arduino Example Code] | + | * [https://github.com/land-boards/lb-Arduino-Code/tree/master/LBCards/SPIPOTX2 SPI-POT-X2 GitHub Arduino Example Code] |
| + | ** Creates triangle wave output on both outputs | ||
== Test Software Using RPI_PSOC5 Test Station == | == Test Software Using RPI_PSOC5 Test Station == | ||
Revision as of 11:49, 5 April 2022
Contents
Features
- Dual Digital potentiometer
- MCP4231 Dual Digital Pot
- 7-bit: 128 Resistors (129 Steps)
- Zero Scale to Full Scale Wiper operation
- 10K
- Other resistances optional: 5K, 50K, 100K
- Power on reset to half wiper value
- SPI Interface
- SPI Serial Interface (10 MHz, modes 0,0 & 1,1)
- High-Speed Read/Writes to wiper register
- 10 MHz (max SPI speed)
- 2.7V to 5.5V
- Daisy-chain SPI connector
- Slave Select (SS) should be star connected
- 49x49mm form factor
- (4) #4-40 mounting holes
Connectors
J1, J3 - SPI connector
- MISO
- +V
- SCK
- MOSI
- SS
- GND
J2 - SPI Connector
- Matches Arduino SPI connector pinout
- MISO
- +V
- SCK
- MOSI
- SS
- GND
POT0, POT1
- GND
- B SIDE
- WIPER
- A SIDE
- +V
Driver Software
- SPI-POT-X2 GitHub Arduino Example Code
- Creates triangle wave output on both outputs
Test Software Using RPI_PSOC5 Test Station
- Runs on RPI_PSOC5
- Uses RPI_SPI8
- GitHub repo
- Test_RPI_SPI8.c - Test with SPI-POTX2 card
