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

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| width="20%" style="color: gray;" | Author
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| width="20%" style="color:gray;" | Author
 
| Matrix TSL
 
| Matrix TSL
 
|-
 
|-
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| width="20%" style="color: gray;" | Version
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| width="20%" style="color:gray;" | Version
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| 1.0 (Release)
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| 1.0
 
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| width="20%" style="color: gray;" | Category
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| width="20%" style="color:gray;" | Category
 
| Analog Output
 
| 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.
  
−
==[[File:Component Icon adb523db_db13_4d19_bfa3_0fbc177e4d3f.png|Image]] DAC Quad (MCP4728) (MCP4728) component==
+
==Component Pack==
−
Component to drive a quad digital to analogue converter (DAC) IC from Microchip via an I2C interface.
 
−
Compatible with MCP4728 (12-Bit) devices.
 
  
−
==Examples==
+
COMMSA
−
''<span style="color:red;">No additional examples</span>''
 
  
 +
==Detailed description==
  
−
==Downloadable macro reference==
 
  
−
===<span style="font-weight: normal;"><u><tt>SetOutput</tt></u></span>===
 
−
Sets the output voltage of the DAC
 
  
−
12-Bit: Range 0-4095
 
  
−
'''Parameters'''
 
  
−
:[[Variable Types|BYTE]] ''Channel''
 
−
::Range: 0-3 / 0=DAC Channel 0 / 1=DAC Channel 1 ...
 
  
−
:[[Variable Types|UINT]] ''DAC_Value''
 
−
::The value to output to the DAC
 
  
  
−
'''Return value'''
 
  
−
:''This call does not return a value''
 
  
  
−
===<span style="font-weight: normal;"><u><tt>ControlPins</tt></u></span>===
+
''No detailed description exists yet for this component''
−
Allows Shutdown (SHDN) and Latch (LDAC) pins to be controlled directly if enabled.
 
  
−
'''Parameters'''
+
==Examples==
  
−
:[[Variable Types|BOOL]] ''Latch''
 
−
::0 = Data output driven from DAC register, 1 = Data output locked
 
  
  
−
'''Return value'''
 
  
−
:''This call does not return a value''
 
  
  
−
===<span style="font-weight: normal;"><u><tt>SetInitialEEOutput</tt></u></span>===
 
−
Stores a DAC value into EE memory to be used on power up.
 
  
−
'''Parameters'''
 
  
−
:[[Variable Types|BYTE]] ''Channel''
 
−
::Range: 0-3 / 0=DAC Channel 0 / 1=DAC Channel 1 ...
 
  
−
:[[Variable Types|UINT]] ''DAC_Value''
 
−
::The value to output to the DAC
 
  
  
−
'''Return value'''
 
  
−
:''This call does not return a value''
+
''<span style="color:red;">No additional examples</span>''
  
  
−
===<span style="font-weight: normal;"><u><tt>Disable</tt></u></span>===
+
==Downloadable macro reference==
−
Disables the DAC output.
 
  
−
'''Parameters'''
+
{| 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''
 +
|}
  
−
:[[Variable Types|BYTE]] ''Channel''
 
−
::Range: 0-3 / 0=DAC Channel 0 / 1=DAC Channel 1 ...
 
  
 +
{| 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''
 +
|}
  
−
'''Return value'''
 
  
−
:''This call does not return a value''
+
{| 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''
 +
|}
  
  
−
===<span style="font-weight: normal;"><u><tt>Enable</tt></u></span>===
+
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
−
Enables the DAC Output.
+
|-
 +
| 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''
 +
|}
  
−
'''Parameters'''
 
  
−
:[[Variable Types|BYTE]] ''Channel''
+
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
−
::Range: 0-3 / 0=DAC Channel 0 / 1=DAC Channel 1 ...
+
|-
 +
| 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''
 +
|}
  
  
−
'''Return value'''
+
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
−
 
+
|-
−
:''This call does not return a value''
+
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
−
 
+
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetDeviceAddress'''
−
 
+
|-
−
===<span style="font-weight: normal;"><u><tt>SetDeviceAddress</tt></u></span>===
+
| 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;
−
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.
+
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
−
 
+
| width="90%" | OldAddress
−
'''Parameters'''
+
|-
−
 
+
| colspan="2" | Range: 0-7&nbsp;
−
:[[Variable Types|BYTE]] ''OldAddress''
+
|-
−
::Range: 0-7
+
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
−
 
+
| width="90%" | NewAddress
−
:[[Variable Types|BYTE]] ''NewAddress''
+
|-
−
::Range: 0-7
+
| colspan="2" | Range: 0-7&nbsp;
−
 
+
|-
−
 
+
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
−
'''Return value'''
+
| width="90%" style="border-top: 2px solid #000;" | ''Return''
−
 
+
|}
−
:''This call does not return a value''
 
−
 
 
−
 
 
−
===<span style="font-weight: normal;"><u><tt>Initialise</tt></u></span>===
 
−
Configures the SPI peripheral ready for communications and initialises the internal variables. DAC needs to be enabled before any output voltage can be generated.
 
−
 
 
−
'''Parameters'''
 
−
 
 
−
:''This macro has no parameters''
 
−
 
 
−
 
 
−
'''Return value'''
 
−
 
 
−
:''This call does not return a value''
 
  
  
 +
{| 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''
 +
|}
  
−
==Simulation macro reference==
 
  
−
''This component does not contain any simulation macros''
 
  
  
 
==Property reference==
 
==Property reference==
−
<span style="font-weight: normal;"><u>Pull Down Option</u></span>
 
  
−
This property is of type ''Fixed list of ints'' and can be referenced with the variable name ''PDOption''.
+
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
−
 
+
|-
−
''<span style="color:red;">No additional information</span>''
+
| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
−
 
+
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''  
−
 
+
|-
−
 
+
|-
−
<span style="font-weight: normal;"><u>VREF Option</u></span>
+
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
−
 
+
| width="90%" | Pull Down Option
−
This property is of type ''Fixed list of ints'' and can be referenced with the variable name ''VREFOPtion''.
+
|-
−
 
+
| colspan="2" | &nbsp;
−
''<span style="color:red;">No additional information</span>''
+
|-
−
 
+
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
−
 
+
| width="90%" | VREF Option
−
 
+
|-
−
<span style="font-weight: normal;"><u>Gain Option</u></span>
+
| colspan="2" | &nbsp;
−
 
+
|-
−
This property is of type ''Fixed list of ints'' and can be referenced with the variable name ''GainOP''.
+
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
−
 
+
| width="90%" | Gain Option
−
Selects the maximum reference value for the DAC
+
|-
−
 
+
| colspan="2" | Selects the maximum reference value for the DAC&nbsp;
−
<span style="font-weight: normal;"><u>Vref Voltage</u></span>
+
|-
−
 
+
| width="10%" align="center" | [[File:Fc9-type-15-icon.png]]
−
This property is of type ''Floating point'' and can be referenced with the variable name ''VrefVol''.
+
| width="90%" | Vref Voltage
−
 
+
|-
−
Reference Voltage, Used to calculate the Voltage resolution.
+
| colspan="2" | Reference Voltage, Used to calculate the Voltage resolution.&nbsp;
−
 
+
|-
−
<span style="font-weight: normal;"><u>Steps</u></span>
+
| width="10%" align="center" | [[File:Fc9-type-21-icon.png]]
−
 
+
| width="90%" | Steps
−
This property is of type ''Unsigned integer'' and can be referenced with the variable name ''Steps''.
+
|-
−
 
+
| colspan="2" | Number of discrete output states available from the DAC.&nbsp;
−
Number of discrete output states available from the DAC.
+
|-
−
 
+
| width="10%" align="center" | [[File:Fc9-type-14-icon.png]]
−
<span style="font-weight: normal;"><u>Control Bits</u></span>
+
| width="90%" | Control Bits
−
 
+
|-
−
This property is of type ''Signed integer'' and can be referenced with the variable name ''BITS''.
+
| colspan="2" | Number of digital control bits&nbsp;
−
 
+
|-
−
Number of digital control bits
+
| width="10%" align="center" | [[File:Fc9-type-10-icon.png]]
−
 
+
| width="90%" | Resolution
−
<span style="font-weight: normal;"><u>Resolution</u></span>
+
|-
−
 
+
| colspan="2" | Maximum output resolution based on number of control bits.&nbsp;
−
This property is of type ''Line of text'' and can be referenced with the variable name ''Res''.
+
|-
−
 
+
| width="10%" align="center" | [[File:Fc9-type-15-icon.png]]
−
Maximum output resolution based on number of control bits.
+
| width="90%" | Voltage Resolution
−
 
+
|-
−
<span style="font-weight: normal;"><u>Voltage Resolution</u></span>
+
| colspan="2" | Specifies the Resolution per digital bit in terms of Voltage.&nbsp;
−
 
+
|-
−
This property is of type ''Floating point'' and can be referenced with the variable name ''VoltRes''.
+
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
−
 
+
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | I2C Connections
−
Specifies the Resolution per digital bit in terms of Voltage.
+
|-
−
 
+
|-
−
<span style="font-weight: normal;"><u>Device Address</u></span>
+
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
−
 
+
| width="90%" | Device Address
−
This property is of type ''Fixed list of ints'' and can be referenced with the variable name ''DeviceAddress''.
+
|-
−
 
+
| colspan="2" | &nbsp;
−
''<span style="color:red;">No additional information</span>''
+
|-
−
 
+
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
−
 
+
| width="90%" | Channel
−
 
+
|-
−
<span style="font-weight: normal;"><u>Channel</u></span>
+
| colspan="2" | Channel selection&nbsp;
−
 
+
|-
−
This property is of type ''Fixed list of ints'' and can be referenced with the variable name ''cal_i2c1::CHANNEL''.
+
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
−
 
+
| width="90%" | SDA
−
Channel selection
+
|-
−
 
+
| colspan="2" | Pin used for SDA (data signal)&nbsp;
−
<span style="font-weight: normal;"><u>SDA</u></span>
+
|-
−
 
+
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
−
This property is of type ''Single digital pin'' and can be referenced with the variable name ''cal_i2c1::SDA''.
+
| width="90%" | SCL
−
 
+
|-
−
Pin used for SDA (data signal)
+
| colspan="2" | Pin used for SCL (clock signal)&nbsp;
−
 
+
|-
−
<span style="font-weight: normal;"><u>SCL</u></span>
+
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
−
 
+
| width="90%" | Baud Select
−
This property is of type ''Single digital pin'' and can be referenced with the variable name ''cal_i2c1::SCL''.
+
|-
−
 
+
| colspan="2" | Baud rate option selector&nbsp;
−
Pin used for SCL (clock signal)
+
|-
−
 
+
| width="10%" align="center" | [[File:Fc9-type-14-icon.png]]
−
<span style="font-weight: normal;"><u>Baud Select</u></span>
+
| width="90%" | Baud Rate
−
 
+
|-
−
This property is of type ''Fixed list of ints'' and can be referenced with the variable name ''cal_i2c1::BAUD_LIST''.
+
| colspan="2" | Baud rate to be used&nbsp;
−
 
+
|-
−
Baud rate option selector
+
| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
−
 
+
| width="90%" | Stop Delay
−
<span style="font-weight: normal;"><u>Baud Rate</u></span>
+
|-
−
 
+
| 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;
−
This property is of type ''Signed integer'' and can be referenced with the variable name ''cal_i2c1::BAUD''.
+
|-
−
 
+
| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
−
Baud rate to be used
+
| width="90%" | Use LDAC Pin
−
 
+
|-
−
<span style="font-weight: normal;"><u>Stop Delay</u></span>
+
| 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;
−
 
+
|-
−
This property is of type ''True or false'' and can be referenced with the variable name ''cal_i2c1::StopDel''.
+
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
−
 
+
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Simulation
−
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.
+
| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
−
 
+
| width="90%" | Simulation Comms
−
 
+
|-
−
 
+
| colspan="2" | &nbsp;
−
Most modern microcontrollers will not have a problem so this property can be disabled to speed up the  
+
|}
−
 
 
−
I2C communications.
 
−
 
 
−
<span style="font-weight: normal;"><u>Use LDAC Pin</u></span>
 
−
 
 
−
This property is of type ''True or false'' and can be referenced with the variable name ''UseLDAC''.
 
−
 
 
−
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.
 
−
 
 
−
<span style="font-weight: normal;"><u>DAC Output Scope Traces</u></span>
 
−
 
 
−
This property is of type ''True or false'' and can be referenced with the variable name ''ScopeTraces''.
 
−
 
 
−
Selects if the scope traces are automatically generated or not
 
−
 
 
−
<span style="font-weight: normal;"><u>Scope Traces</u></span>
 
−
 
 
−
This property is of type ''True or false'' and can be referenced with the variable name ''cal_i2c1::ScopeTraces''.
 
−
 
 
−
Selects if the component pin connections are automatically generated on the data recorder window or not.
 
−
 
 
−
Yes: Automatically add the component pins to a group on the data recorder which will reflect the sim data during simultion.
 
−
 
 
−
No: Do not show the pin signals on the data recorder window.
 
−
 
 
−
<span style="font-weight: normal;"><u>Console Data</u></span>
 
−
 
 
−
This property is of type ''True or false'' and can be referenced with the variable name ''cal_i2c1::ConsoleData''.
 
−
 
 
−
Selects if the console data is automatically generated or not
 
−
 
 
−
<span style="font-weight: normal;"><u>Injector</u></span>
 
−
 
 
−
This property is of type ''Fixed list of ints'' and can be referenced with the variable name ''cal_i2c1::Injector''.
 
−
 
 
−
Specifies the injector component on the panel to interact with to provide comms simulation.
 

Latest revision as of 17:27, 9 November 2022

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 Pack

COMMSA

Detailed description

No detailed description exists yet for this component

Examples

No additional examples


Downloadable macro reference

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


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


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


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


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


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


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



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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