Difference between revisions of "Component: DAC Quad (MCP4728) (MCP4728) (Analog Output)"

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Line 17: Line 17:
 
==Component Source Code==
 
==Component Source Code==
  
−
Please click here to download the component source project: [https://www.flowcode.co.uk/wikicopy/componentsource/FC_Comp_Source_DAC_MCP4728.fcfx FC_Comp_Source_DAC_MCP4728.fcfx]
+
Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_DAC_MCP4728.fcfx FC_Comp_Source_DAC_MCP4728.fcfx]
  
 
Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_DAC_MCP4728.fcfx FC_Comp_Source_DAC_MCP4728.fcfx]
 
Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_DAC_MCP4728.fcfx FC_Comp_Source_DAC_MCP4728.fcfx]
Line 41: Line 41:
  
  
−
''No detailed description exists yet for this component''
 
  
−
==Examples==
 
  
  
  
 +
''No detailed description exists yet for this component''
  
 +
==Examples==
  
  
Line 64: Line 64:
  
  
−
''<span style="color:red;">No additional examples</span>''
 
  
  
−
==Macro reference==
 
  
−
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
−
|-
 
−
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
−
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetOutput'''
 
−
|-
 
−
| colspan="2" | Sets the output voltage of the DAC 12-Bit: Range 0-4095&nbsp;
 
−
|-
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
−
| width="90%" | Channel
 
−
|-
 
−
| colspan="2" | Range: 0-3 / 0=DAC Channel 0 / 1=DAC Channel 1 ...&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
 
−
| width="90%" | DAC_Value
 
−
|-
 
−
| colspan="2" | The value to output to the DAC&nbsp;
 
−
|-
 
−
| 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''
 
−
|}
 
  
  
−
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
−
|-
 
−
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
−
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ControlPins'''
 
−
|-
 
−
| colspan="2" | Allows Shutdown (SHDN) and Latch (LDAC) pins to be controlled directly if enabled.&nbsp;
 
−
|-
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-bool-icon.png]] - BOOL
 
−
| width="90%" | Latch
 
−
|-
 
−
| colspan="2" | 0 = Data output driven from DAC register, 1 = Data output locked&nbsp;
 
−
|-
 
−
| 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''
 
−
|}
 
  
−
 
−
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
−
|-
 
−
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
−
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetInitialEEOutput'''
 
−
|-
 
−
| colspan="2" | Stores a DAC value into EE memory to be used on power up.&nbsp;
 
−
|-
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
−
| width="90%" | Channel
 
−
|-
 
−
| colspan="2" | Range: 0-3 / 0=DAC Channel 0 / 1=DAC Channel 1 ...&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
 
−
| width="90%" | DAC_Value
 
−
|-
 
−
| colspan="2" | The value to output to the DAC&nbsp;
 
−
|-
 
−
| 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''
 
−
|}
 
  
  
−
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
+
''<span style="color:red;">No additional examples</span>''
−
|-
 
−
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
−
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Disable'''
 
−
|-
 
−
| colspan="2" | Disables the DAC output.&nbsp;
 
−
|-
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
−
| width="90%" | Channel
 
−
|-
 
−
| colspan="2" | Range: 0-3 / 0=DAC Channel 0 / 1=DAC Channel 1 ...&nbsp;
 
−
|-
 
−
| 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''
 
−
|}
 
  
  
−
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
−
|-
 
−
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
−
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Enable'''
 
−
|-
 
−
| colspan="2" | Enables the DAC Output.&nbsp;
 
−
|-
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
−
| width="90%" | Channel
 
−
|-
 
−
| colspan="2" | Range: 0-3 / 0=DAC Channel 0 / 1=DAC Channel 1 ...&nbsp;
 
−
|-
 
−
| 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''
 
−
|}
 
  
  
−
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
−
|-
 
−
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
−
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetDeviceAddress'''
 
−
|-
 
−
| colspan="2" | Writes a new device address into EE memory. The use LDAC pin component property must be set to true and the LDAC pin should be unique for every MCP4728 device connected to the I2C bus.&nbsp;
 
−
|-
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
−
| width="90%" | OldAddress
 
−
|-
 
−
| colspan="2" | Range: 0-7&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
−
| width="90%" | NewAddress
 
−
|-
 
−
| colspan="2" | Range: 0-7&nbsp;
 
−
|-
 
−
| 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''
 
−
|}
 
  
  
−
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
−
|-
 
−
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
−
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise'''
 
−
|-
 
−
| colspan="2" | Configures the SPI peripheral ready for communications and initialises the internal variables. DAC needs to be enabled before any output voltage can be generated.&nbsp;
 
−
|-
 
−
|-
 
−
| 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''
 
−
|}
 
  
  
  
  
−
==Property reference==
 
  
−
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
−
|-
 
−
| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
 
−
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''
 
−
|-
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
 
−
| width="90%" | Pull Down Option
 
−
|-
 
−
| colspan="2" | &nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
 
−
| width="90%" | VREF Option
 
−
|-
 
−
| colspan="2" | &nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
 
−
| width="90%" | Gain Option
 
−
|-
 
−
| colspan="2" | Selects the maximum reference value for the DAC&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-15-icon.png]]
 
−
| width="90%" | Vref Voltage
 
−
|-
 
−
| colspan="2" | Reference Voltage, Used to calculate the Voltage resolution.&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-21-icon.png]]
 
−
| width="90%" | Steps
 
−
|-
 
−
| colspan="2" | Number of discrete output states available from the DAC.&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-14-icon.png]]
 
−
| width="90%" | Control Bits
 
−
|-
 
−
| colspan="2" | Number of digital control bits&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
 
−
| width="90%" | Resolution
 
−
|-
 
−
| colspan="2" | Maximum output resolution based on number of control bits.&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-15-icon.png]]
 
−
| width="90%" | Voltage Resolution
 
−
|-
 
−
| colspan="2" | Specifies the Resolution per digital bit in terms of Voltage.&nbsp;
 
−
|-
 
−
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
 
−
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | I2C Connections
 
−
|-
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
 
−
| width="90%" | Device Address
 
−
|-
 
−
| colspan="2" | &nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
 
−
| width="90%" | Channel
 
−
|-
 
−
| colspan="2" | Channel selection&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
 
−
| width="90%" | SDA
 
−
|-
 
−
| colspan="2" | Pin used for SDA (data signal)&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
 
−
| width="90%" | SCL
 
−
|-
 
−
| colspan="2" | Pin used for SCL (clock signal)&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
 
−
| width="90%" | Baud Select
 
−
|-
 
−
| colspan="2" | Baud rate option selector&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-14-icon.png]]
 
−
| width="90%" | Baud Rate
 
−
|-
 
−
| colspan="2" | Baud rate to be used&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
 
−
| width="90%" | Stop Delay
 
−
|-
 
−
| 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. &nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
 
−
| width="90%" | Use LDAC Pin
 
−
|-
 
−
| colspan="2" | Allows the LDAC pin to be driven from an output pin on the microcontroller. If not used then tie the LDAC pin to GND to allow the DAC to function.&nbsp;
 
−
|-
 
−
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
 
−
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Simulation
 
−
|-
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
 
−
| width="90%" | Simulation Comms
 
−
|-
 
−
| colspan="2" | &nbsp;
 
−
|}==Macro reference==
 
−
 
−
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
−
|-
 
−
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
−
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetOutput'''
 
−
|-
 
−
| colspan="2" | Sets the output voltage of the DAC 12-Bit: Range 0-4095&nbsp;
 
−
|-
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
−
| width="90%" | Channel
 
−
|-
 
−
| colspan="2" | Range: 0-3 / 0=DAC Channel 0 / 1=DAC Channel 1 ...&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
 
−
| width="90%" | DAC_Value
 
−
|-
 
−
| colspan="2" | The value to output to the DAC&nbsp;
 
−
|-
 
−
| 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''
 
−
|}
 
  
 +
==Macro reference==
  
 +
===ControlPins===
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
|-
 
|-
Line 350: Line 106:
  
  
 +
===Disable===
 
{| 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;" | '''SetInitialEEOutput'''
+
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Disable'''
 
|-
 
|-
−
| colspan="2" | Stores a DAC value into EE memory to be used on power up.&nbsp;
+
| colspan="2" | Disables the DAC output.&nbsp;
 
|-
 
|-
 
|-
 
|-
Line 362: Line 119:
 
|-
 
|-
 
| colspan="2" | Range: 0-3 / 0=DAC Channel 0 / 1=DAC Channel 1 ...&nbsp;
 
| colspan="2" | Range: 0-3 / 0=DAC Channel 0 / 1=DAC Channel 1 ...&nbsp;
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
 
−
| width="90%" | DAC_Value
 
−
|-
 
−
| colspan="2" | The value to output to the DAC&nbsp;
 
 
|-
 
|-
 
| 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
Line 373: Line 125:
  
  
 +
===Enable===
 
{| 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;" | '''Disable'''
+
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Enable'''
 
|-
 
|-
−
| colspan="2" | Disables the DAC output.&nbsp;
+
| colspan="2" | Enables the DAC Output.&nbsp;
 
|-
 
|-
 
|-
 
|-
Line 391: Line 144:
  
  
 +
===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;" | '''Enable'''
+
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise'''
 
|-
 
|-
−
| colspan="2" | Enables the DAC Output.&nbsp;
+
| colspan="2" | Configures the SPI peripheral ready for communications and initialises the internal variables. DAC needs to be enabled before any output voltage can be generated.&nbsp;
 
|-
 
|-
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
−
| width="90%" | Channel
 
−
|-
 
−
| colspan="2" | Range: 0-3 / 0=DAC Channel 0 / 1=DAC Channel 1 ...&nbsp;
 
 
|-
 
|-
 
| 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
Line 409: Line 158:
  
  
 +
===SetDeviceAddress===
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
|-
 
|-
Line 432: Line 182:
  
  
 +
===SetInitialEEOutput===
 
{| 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;" | '''Initialise'''
+
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetInitialEEOutput'''
 
|-
 
|-
−
| colspan="2" | Configures the SPI peripheral ready for communications and initialises the internal variables. DAC needs to be enabled before any output voltage can be generated.&nbsp;
+
| colspan="2" | Stores a DAC value into EE memory to be used on power up.&nbsp;
−
|-
 
−
|-
 
−
| 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''
 
−
|}
 
−
 
 
−
 
 
−
 
 
−
 
 
−
==Property reference==
 
−
 
 
−
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
−
|-
 
−
| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
 
−
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''
 
−
|-
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
 
−
| width="90%" | Pull Down Option
 
−
|-
 
−
| colspan="2" | &nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
 
−
| width="90%" | VREF Option
 
−
|-
 
−
| colspan="2" | &nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
 
−
| width="90%" | Gain Option
 
−
|-
 
−
| colspan="2" | Selects the maximum reference value for the DAC&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-15-icon.png]]
 
−
| width="90%" | Vref Voltage
 
−
|-
 
−
| colspan="2" | Reference Voltage, Used to calculate the Voltage resolution.&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-21-icon.png]]
 
−
| width="90%" | Steps
 
−
|-
 
−
| colspan="2" | Number of discrete output states available from the DAC.&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-14-icon.png]]
 
−
| width="90%" | Control Bits
 
−
|-
 
−
| colspan="2" | Number of digital control bits&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
 
−
| width="90%" | Resolution
 
−
|-
 
−
| colspan="2" | Maximum output resolution based on number of control bits.&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-15-icon.png]]
 
−
| width="90%" | Voltage Resolution
 
−
|-
 
−
| colspan="2" | Specifies the Resolution per digital bit in terms of Voltage.&nbsp;
 
−
|-
 
−
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
 
−
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | I2C Connections
 
−
|-
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
 
−
| width="90%" | Device Address
 
−
|-
 
−
| colspan="2" | &nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
 
−
| width="90%" | Channel
 
−
|-
 
−
| colspan="2" | Channel selection&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
 
−
| width="90%" | SDA
 
−
|-
 
−
| colspan="2" | Pin used for SDA (data signal)&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
 
−
| width="90%" | SCL
 
−
|-
 
−
| colspan="2" | Pin used for SCL (clock signal)&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
 
−
| width="90%" | Baud Select
 
−
|-
 
−
| colspan="2" | Baud rate option selector&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-14-icon.png]]
 
−
| width="90%" | Baud Rate
 
−
|-
 
−
| colspan="2" | Baud rate to be used&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
 
−
| width="90%" | Stop Delay
 
−
|-
 
−
| 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. &nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
 
−
| width="90%" | Use LDAC Pin
 
−
|-
 
−
| colspan="2" | Allows the LDAC pin to be driven from an output pin on the microcontroller. If not used then tie the LDAC pin to GND to allow the DAC to function.&nbsp;
 
−
|-
 
−
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
 
−
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Simulation
 
−
|-
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
 
−
| width="90%" | Simulation Comms
 
−
|-
 
−
| colspan="2" | &nbsp;
 
−
|}==Macro reference==
 
−
 
 
−
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
−
|-
 
−
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
−
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetOutput'''
 
−
|-
 
−
| colspan="2" | Sets the output voltage of the DAC 12-Bit: Range 0-4095&nbsp;
 
 
|-
 
|-
 
|-
 
|-
Line 572: Line 206:
  
  
 +
===SetOutput===
 
{| 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;" | '''ControlPins'''
+
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetOutput'''
 
|-
 
|-
−
| colspan="2" | Allows Shutdown (SHDN) and Latch (LDAC) pins to be controlled directly if enabled.&nbsp;
+
| colspan="2" | Sets the output voltage of the DAC 12-Bit: Range 0-4095&nbsp;
−
|-
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-bool-icon.png]] - BOOL
 
−
| width="90%" | Latch
 
−
|-
 
−
| colspan="2" | 0 = Data output driven from DAC register, 1 = Data output locked&nbsp;
 
−
|-
 
−
| 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''
 
−
|}
 
−
 
 
−
 
 
−
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
−
|-
 
−
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
−
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetInitialEEOutput'''
 
−
|-
 
−
| colspan="2" | Stores a DAC value into EE memory to be used on power up.&nbsp;
 
 
|-
 
|-
 
|-
 
|-
Line 611: Line 228:
 
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
| width="90%" style="border-top: 2px solid #000;" | ''Return''
 
|}
 
|}
−
 
−
 
−
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
−
|-
 
−
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
−
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Disable'''
 
−
|-
 
−
| colspan="2" | Disables the DAC output.&nbsp;
 
−
|-
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
−
| width="90%" | Channel
 
−
|-
 
−
| colspan="2" | Range: 0-3 / 0=DAC Channel 0 / 1=DAC Channel 1 ...&nbsp;
 
−
|-
 
−
| 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''
 
−
|}
 
−
 
−
 
−
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
−
|-
 
−
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
−
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Enable'''
 
−
|-
 
−
| colspan="2" | Enables the DAC Output.&nbsp;
 
−
|-
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
−
| width="90%" | Channel
 
−
|-
 
−
| colspan="2" | Range: 0-3 / 0=DAC Channel 0 / 1=DAC Channel 1 ...&nbsp;
 
−
|-
 
−
| 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''
 
−
|}
 
−
 
−
 
−
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
−
|-
 
−
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
−
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetDeviceAddress'''
 
−
|-
 
−
| colspan="2" | Writes a new device address into EE memory. The use LDAC pin component property must be set to true and the LDAC pin should be unique for every MCP4728 device connected to the I2C bus.&nbsp;
 
−
|-
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
−
| width="90%" | OldAddress
 
−
|-
 
−
| colspan="2" | Range: 0-7&nbsp;
 
−
|-
 
−
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
 
−
| width="90%" | NewAddress
 
−
|-
 
−
| colspan="2" | Range: 0-7&nbsp;
 
−
|-
 
−
| 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''
 
−
|}
 
−
 
−
 
−
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
 
−
|-
 
−
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
 
−
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise'''
 
−
|-
 
−
| colspan="2" | Configures the SPI peripheral ready for communications and initialises the internal variables. DAC needs to be enabled before any output voltage can be generated.&nbsp;
 
−
|-
 
−
|-
 
−
| 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''
 
−
|}
 
−
 
−
 
  
  

Latest revision as of 13:09, 7 February 2023

Author Matrix TSL
Version 1.0
Category Analog Output


DAC Quad (MCP4728) component

Component to drive a quad digital to analogue converter (DAC) IC from Microchip via an I2C interface. Compatible with MCP4728 (12-Bit) devices.

Component Source Code

Please click here to download the component source project: FC_Comp_Source_DAC_MCP4728.fcfx

Please click here to view the component source code (Beta): FC_Comp_Source_DAC_MCP4728.fcfx

Detailed description

No detailed description exists yet for this component

Examples

No additional examples







Macro reference

ControlPins

Fc9-comp-macro.png ControlPins
Allows Shutdown (SHDN) and Latch (LDAC) pins to be controlled directly if enabled. 
Fc9-bool-icon.png - BOOL Latch
0 = Data output driven from DAC register, 1 = Data output locked 
Fc9-void-icon.png - VOID Return


Disable

Fc9-comp-macro.png Disable
Disables the DAC output. 
Fc9-u8-icon.png - BYTE Channel
Range: 0-3 / 0=DAC Channel 0 / 1=DAC Channel 1 ... 
Fc9-void-icon.png - VOID Return


Enable

Fc9-comp-macro.png Enable
Enables the DAC Output. 
Fc9-u8-icon.png - BYTE Channel
Range: 0-3 / 0=DAC Channel 0 / 1=DAC Channel 1 ... 
Fc9-void-icon.png - VOID Return


Initialise

Fc9-comp-macro.png Initialise
Configures the SPI peripheral ready for communications and initialises the internal variables. DAC needs to be enabled before any output voltage can be generated. 
Fc9-void-icon.png - VOID Return


SetDeviceAddress

Fc9-comp-macro.png SetDeviceAddress
Writes a new device address into EE memory. The use LDAC pin component property must be set to true and the LDAC pin should be unique for every MCP4728 device connected to the I2C bus. 
Fc9-u8-icon.png - BYTE OldAddress
Range: 0-7 
Fc9-u8-icon.png - BYTE NewAddress
Range: 0-7 
Fc9-void-icon.png - VOID Return


SetInitialEEOutput

Fc9-comp-macro.png SetInitialEEOutput
Stores a DAC value into EE memory to be used on power up. 
Fc9-u8-icon.png - BYTE Channel
Range: 0-3 / 0=DAC Channel 0 / 1=DAC Channel 1 ... 
Fc9-u16-icon.png - UINT DAC_Value
The value to output to the DAC 
Fc9-void-icon.png - VOID Return


SetOutput

Fc9-comp-macro.png SetOutput
Sets the output voltage of the DAC 12-Bit: Range 0-4095 
Fc9-u8-icon.png - BYTE Channel
Range: 0-3 / 0=DAC Channel 0 / 1=DAC Channel 1 ... 
Fc9-u16-icon.png - UINT DAC_Value
The value to output to the DAC 
Fc9-void-icon.png - VOID Return


Property reference

Fc9-prop-icon.png Properties
Fc9-type-16-icon.png Pull Down Option
 
Fc9-type-16-icon.png VREF Option
 
Fc9-type-16-icon.png Gain Option
Selects the maximum reference value for the DAC 
Fc9-type-15-icon.png Vref Voltage
Reference Voltage, Used to calculate the Voltage resolution. 
Fc9-type-21-icon.png Steps
Number of discrete output states available from the DAC. 
Fc9-type-14-icon.png Control Bits
Number of digital control bits 
Fc9-type-10-icon.png Resolution
Maximum output resolution based on number of control bits. 
Fc9-type-15-icon.png Voltage Resolution
Specifies the Resolution per digital bit in terms of Voltage. 
Fc9-conn-icon.png I2C Connections
Fc9-type-16-icon.png Device Address
 
Fc9-type-16-icon.png Channel
Channel selection 
Fc9-type-5-icon.png SDA
Pin used for SDA (data signal) 
Fc9-type-5-icon.png SCL
Pin used for SCL (clock signal) 
Fc9-type-16-icon.png Baud Select
Baud rate option selector 
Fc9-type-14-icon.png Baud Rate
Baud rate to be used 
Fc9-type-7-icon.png 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.  
Fc9-type-7-icon.png Use LDAC Pin
Allows the LDAC pin to be driven from an output pin on the microcontroller. If not used then tie the LDAC pin to GND to allow the DAC to function. 
Fc9-conn-icon.png Simulation
Fc9-type-7-icon.png Simulation Comms
 
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