Difference between revisions of "Component: Digital Potentiometer (MCP44XX) (Analog Output)"
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==Digital Potentiometer (MCP44XX) component== | ==Digital Potentiometer (MCP44XX) component== | ||
The MCP44XX device range supports 4 digital potentiometers or rheostat outputs. 129 or 257 possible output resistance values for each channel. | The MCP44XX device range supports 4 digital potentiometers or rheostat outputs. 129 or 257 possible output resistance values for each channel. | ||
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| + | ==Component Source Code== | ||
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| + | Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_MCP44xx_Digital_Pot.fcfx FC_Comp_Source_MCP44xx_Digital_Pot.fcfx] | ||
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| + | Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_MCP44xx_Digital_Pot.fcfx FC_Comp_Source_MCP44xx_Digital_Pot.fcfx] | ||
==Detailed description== | ==Detailed description== | ||
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''No detailed description exists yet for this component'' | ''No detailed description exists yet for this component'' | ||
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| + | ''<span style="color:red;">No additional examples</span>'' | ||
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| + | ==Macro reference== | ||
| + | ===DecrementWiper=== | ||
{| class="wikitable" style="width:60%; background-color:#FFFFFF;" | {| class="wikitable" style="width:60%; background-color:#FFFFFF;" | ||
|- | |- | ||
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | ||
| − | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | ''' | + | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''DecrementWiper''' |
|- | |- | ||
| − | | colspan="2" | | + | | colspan="2" | Decrements a single volatile wiper value |
|- | |- | ||
|- | |- | ||
| − | | width="10%" align="center" | [[File:Fc9- | + | | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE |
| − | | width="90%" | | + | | width="90%" | Index |
|- | |- | ||
| − | | colspan="2" | | + | | colspan="2" | Range: 0-3 |
|- | |- | ||
| − | + | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID | |
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| − | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9- | ||
| width="90%" style="border-top: 2px solid #000;" | ''Return'' | | width="90%" style="border-top: 2px solid #000;" | ''Return'' | ||
|} | |} | ||
| + | ===IncrementWiper=== | ||
{| class="wikitable" style="width:60%; background-color:#FFFFFF;" | {| class="wikitable" style="width:60%; background-color:#FFFFFF;" | ||
|- | |- | ||
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | ||
| − | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | ''' | + | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''IncrementWiper''' |
|- | |- | ||
| − | | colspan="2" | | + | | colspan="2" | Increments a single volatile wiper value |
|- | |- | ||
|- | |- | ||
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE | | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE | ||
| − | | width="90%" | | + | | width="90%" | Index |
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| − | | colspan="2" | | + | | colspan="2" | Range: 0-3 |
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID | ||
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| + | ===Initialise=== | ||
{| class="wikitable" style="width:60%; background-color:#FFFFFF;" | {| class="wikitable" style="width:60%; background-color:#FFFFFF;" | ||
|- | |- | ||
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | ||
| − | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | ''' | + | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise''' |
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| − | | colspan="2" | | + | | colspan="2" | Startup the I2C peripheral ready for communications. |
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID | ||
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| + | ===ReadAddress=== | ||
{| class="wikitable" style="width:60%; background-color:#FFFFFF;" | {| class="wikitable" style="width:60%; background-color:#FFFFFF;" | ||
|- | |- | ||
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | ||
| − | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | ''' | + | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadAddress''' |
|- | |- | ||
| − | | colspan="2" | | + | | colspan="2" | Reads a value from one of the registers on the device |
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| − | | width="10%" align="center" | [[File:Fc9- | + | | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE |
| − | | width="90%" | | + | | width="90%" | Address |
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| − | | colspan="2" | | + | | colspan="2" | Range: 0-15 |
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u16-icon.png]] - UINT | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u16-icon.png]] - UINT | ||
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| + | ===SetWiper=== | ||
{| class="wikitable" style="width:60%; background-color:#FFFFFF;" | {| class="wikitable" style="width:60%; background-color:#FFFFFF;" | ||
|- | |- | ||
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | ||
| − | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | ''' | + | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetWiper''' |
|- | |- | ||
| − | | colspan="2" | | + | | colspan="2" | Sets the value of a single wiper |
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|- | |- | ||
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE | | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE | ||
| − | | width="90%" | | + | | width="90%" | Index |
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| − | | colspan="2" | | + | | colspan="2" | Range: 0-3 |
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| − | | width="10%" align="center" | [[File:Fc9- | + | | width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT |
| − | | width="90%" | | + | | width="90%" | Value |
|- | |- | ||
| − | | colspan="2" | | + | | colspan="2" | 129 Taps Range: 0-128 / 257 Taps Range: 0-256 |
|- | |- | ||
| − | | width="10%" align="center" | [[File:Fc9- | + | | width="10%" align="center" | [[File:Fc9-bool-icon.png]] - BOOL |
| − | | width="90%" | | + | | width="90%" | MemoryType |
|- | |- | ||
| − | | colspan="2" | | + | | colspan="2" | 0=Volatile, 1=Nonvolatile |
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| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID | ||
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| + | ===WriteAddress=== | ||
{| class="wikitable" style="width:60%; background-color:#FFFFFF;" | {| class="wikitable" style="width:60%; background-color:#FFFFFF;" | ||
|- | |- | ||
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | | width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]] | ||
| − | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | ''' | + | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''WriteAddress''' |
|- | |- | ||
| − | | colspan="2" | | + | | colspan="2" | Writes a value to one of the registers on the device |
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| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE | | width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE | ||
| − | | width="90%" | | + | | width="90%" | Address |
|- | |- | ||
| − | | colspan="2" | 0 | + | | colspan="2" | Range: 0-15 |
|- | |- | ||
| − | | width="10%" align="center | + | | width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT |
| − | | width="90%" | + | | width="90%" | Value |
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| + | | colspan="2" | Range: 0-256 | ||
|- | |- | ||
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID | | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID | ||
| width="90%" style="border-top: 2px solid #000;" | ''Return'' | | width="90%" style="border-top: 2px solid #000;" | ''Return'' | ||
|} | |} | ||
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| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]] | | width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]] | ||
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties''' | | width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties''' | ||
| + | |- | ||
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| + | | width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]] | ||
| + | | width="90%" style="background-color:#EAE1EA; color:#4B008D;" | I2C Properties | ||
|- | |- | ||
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|- | |- | ||
| colspan="2" | On older microcontroller devices there is a potential for the I2C hardware channel to lock up if there is not a 10ms delay between an I2C stop event and the next I2C start event. Most modern microcontrollers will not have a problem so this property can be disabled to speed up the I2C communications. | | colspan="2" | On older microcontroller devices there is a potential for the I2C hardware channel to lock up if there is not a 10ms delay between an I2C stop event and the next I2C start event. Most modern microcontrollers will not have a problem so this property can be disabled to speed up the I2C communications. | ||
| + | |- | ||
| + | | width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]] | ||
| + | | width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Device Properties | ||
| + | |- | ||
|- | |- | ||
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]] | | width="10%" align="center" | [[File:Fc9-type-16-icon.png]] | ||
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| colspan="2" | | | colspan="2" | | ||
|- | |- | ||
| − | + | | width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]] | |
| − | + | | width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Simulation | |
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| − | | width="10%" align="center" style="background-color:# | ||
| − | | width="90%" style="background-color:# | ||
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Latest revision as of 13:11, 7 February 2023
| Author | Matrix TSL |
| Version | 1.0 |
| Category | Analog Output |
Contents
Digital Potentiometer (MCP44XX) component
The MCP44XX device range supports 4 digital potentiometers or rheostat outputs. 129 or 257 possible output resistance values for each channel.
Component Source Code
Please click here to download the component source project: FC_Comp_Source_MCP44xx_Digital_Pot.fcfx
Please click here to view the component source code (Beta): FC_Comp_Source_MCP44xx_Digital_Pot.fcfx
Detailed description
No detailed description exists yet for this component
Examples
No additional examples
Macro reference
DecrementWiper
| DecrementWiper | |
| Decrements a single volatile wiper value | |
| Index | |
| Range: 0-3 | |
| Return | |
IncrementWiper
| IncrementWiper | |
| Increments a single volatile wiper value | |
| Index | |
| Range: 0-3 | |
| Return | |
Initialise
| Initialise | |
| Startup the I2C peripheral ready for communications. | |
| Return | |
ReadAddress
| ReadAddress | |
| Reads a value from one of the registers on the device | |
| Address | |
| Range: 0-15 | |
| Return | |
SetWiper
| SetWiper | |
| Sets the value of a single wiper | |
| Index | |
| Range: 0-3 | |
| Value | |
| 129 Taps Range: 0-128 / 257 Taps Range: 0-256 | |
| MemoryType | |
| 0=Volatile, 1=Nonvolatile | |
| Return | |
WriteAddress
| WriteAddress | |
| Writes a value to one of the registers on the device | |
| Address | |
| Range: 0-15 | |
| Value | |
| Range: 0-256 | |
| Return | |