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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| + | COMMSA | ||
==Detailed description== | ==Detailed description== | ||
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==Examples== | ==Examples== | ||
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| colspan="2" | 129 Taps Range: 0-128 / 257 Taps Range: 0-256 | | colspan="2" | 129 Taps Range: 0-128 / 257 Taps Range: 0-256 | ||
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| − | | width="10%" align="center" | [[File:]] - | + | | width="10%" align="center" | [[File:Fc9-bool-icon.png]] - BOOL |
| width="90%" | MemoryType | | width="90%" | MemoryType | ||
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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. | ||
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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;" | Device Properties | ||
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| width="10%" align="center" | [[File:Fc9-type-16-icon.png]] | | width="10%" align="center" | [[File:Fc9-type-16-icon.png]] | ||
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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;" | Simulation | |
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Latest revision as of 17:27, 9 November 2022
| 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 Pack
COMMSA
Detailed description
No detailed description exists yet for this component
Examples
No additional examples
Downloadable macro reference
|
IncrementWiper |
| Increments a single volatile wiper value | |
 - BYTE
|
Index |
| Range: 0-3 | |
 - VOID
|
Return |
|
|
DecrementWiper |
| Decrements a single volatile wiper value | |
| - BYTE
|
Index |
| Range: 0-3 | |
| - VOID
|
Return |
|
|
SetWiper |
| Sets the value of a single wiper | |
| - BYTE
|
Index |
| Range: 0-3 | |
 - UINT
|
Value |
| 129 Taps Range: 0-128 / 257 Taps Range: 0-256 | |
 - BOOL
|
MemoryType |
| 0=Volatile, 1=Nonvolatile | |
| - VOID
|
Return |
|
|
ReadAddress |
| Reads a value from one of the registers on the device | |
| - BYTE
|
Address |
| Range: 0-15 | |
| - UINT
|
Return |
|
|
WriteAddress |
| Writes a value to one of the registers on the device | |
| - BYTE
|
Address |
| Range: 0-15 | |
| - UINT
|
Value |
| Range: 0-256 | |
| - VOID
|
Return |
|
|
Initialise |
| Startup the I2C peripheral ready for communications. | |
| - VOID
|
Return |
Property reference
|
Properties |
|
I2C Properties |
|
Channel |
| Channel selection | |
|
SDA |
| Pin used for SDA (data signal) | |
|
|
SCL |
| Pin used for SCL (clock signal) | |
|
|
Baud Select |
| Baud rate option selector | |
|
Baud Rate |
| Baud rate to be used | |
|
Stop Delay |
| 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. | |
|
|
Device Properties |
|
|
Number of Taps |
|
|
Address Bits |
|
|
Simulation |
|
|
Simulate Comms |
