Digital IO Control
- 02 Jul 2024
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Digital IO Control
- Updated on 02 Jul 2024
- 5 Minutes to read
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Functional scope
This section shows the capabilities of digital IO lines.
allPIXA evo
This table contains the supported LineMode and LineFormat entries for each supported line.
Line | LineMode | LineFormat | Comment |
Line1 | Input | RS422 | |
Line1 | Output | Not Supported | Output mode not supported |
Line2 | Input | RS422 | |
Line2 | Output | Not Supported | Output mode not supported |
Line3 | Input | SingleEnded_3V3 | |
Line3 | Output | SingleEnded_3V3 | |
Line4 | Input | SingleEnded_3V3 | |
Line4 | Output | SingleEnded_3V3 | |
Line5 | Input | SingleEnded_3V3 | |
Line5 | Output | SingleEnded_3V3 | |
Line6 | Input | SingleEnded_3V3 | |
Line6 | Output | SingleEnded_3V3 | |
Line7 | Input | SingleEnded_3V3 | |
Line7 | Output | SingleEnded_3V3 | |
Line8 | Input | SingleEnded_3V3 | |
Line8 | Output | SingleEnded_3V3 | |
Line9 | Input | SingleEnded_3V3 | |
Line9 | Output | SingleEnded_3V3 | |
Line10 | Input | Not Supported | Input mode not supported |
Line10 | Output | Misc | |
Line11 | Input | SingleEnded_3V3 | |
Line11 | Output | SingleEnded_3V3 |
This table contains the supported LineSource entries for each supported line.
Line | LineSource |
Line1 | Not Supported |
Line2 | Not Supported |
Line3 | Off FrameActive LineActive |
Line4 | Off FrameActive LineActive |
Line5 | Off FrameActive LineActive FlashOut1 |
Line6 | Off FrameActive LineActive FlashOut2 |
Line7 | Off FrameActive LineActive FlashOut3 |
Line8 | Off FrameActive LineActive FlashOut4 |
Line9 | Off FrameActive LineActive MSOut |
Line10 | Fan |
Line11 | Off MSOut |
allPIXA neo
This table contains the supported LineMode and LineFormat entries for each supported line.
Line | LineMode | LineFormat | Comment |
Line1 | Input | RS422 RS422_NoTerm SingleEnded_3V3 SingleEnded_5V SingleEnded_12V SingleEnded_24V | |
Line1 | Output | Not Supported | Output mode not supported. |
Line2 | Input | RS422 RS422_NoTerm SingleEnded_3V3 SingleEnded_5V SingleEnded_12V SingleEnded_24V | |
Line2 | Output | Not Supported | Output mode not supported. |
Line3 | Input | RS422 RS422_NoTerm SingleEnded_3V3 SingleEnded_5V SingleEnded_12V SingleEnded_24V | |
Line3 | Output | RS422 SingleEnded_3V3 | |
Line4 | Input | RS422 RS422_NoTerm SingleEnded_3V3 SingleEnded_5V SingleEnded_12V SingleEnded_24V | |
Line4 | Output | RS422 SingleEnded_3V3 | |
Line5 | Input | NoConnect SingleEnded_3V3 | |
Line5 | Output | NoConnect SingleEnded_3V3 RS422 | |
Line6 | Input | NoConnect SingleEnded_3V3 | |
Line6 | Output | NoConnect SingleEnded_3V3 RS422 | |
Line7 | Input | NoConnect SingleEnded_3V3 | If Line5 format is configured as RS422 then Line7 is not available. |
Line7 | Output | NoConnect SingleEnded_3V3 | |
Line8 | Input | NoConnect SingleEnded_3V3 | If Line6 format is configured as RS422 then Line8 is not available. |
Line8 | Output | NoConnect SingleEnded_3V3 | |
Line9 | Input | Not Supported | Input mode not supported |
Line9 | Output | Misc |
This table contains the supported LineSource entries for each supported line.
Line | LineSource |
Line1 | Not Supported |
Line2 | Not Supported |
Line3 | Off FrameActive LineActive UserOutput3 |
Line4 | Off FrameActive LineActive UserOutput4 |
Line5 | Off FrameActive LineActive UserOutput5 |
Line6 | Off FrameActive LineActive UserOutput6 |
Line7 | Off FrameActive LineActive UserOutput7 |
Line8 | Off FrameActive LineActive UserOutput7 |
Line9 | Fan UART0 |
Line Selector
Name | LineSelector | Standard |
Description | Selects the physical line (or pin) of the external device connector. | |
Interface | Enumeration | |
Access mode | Read/Write | |
Adjustable while grabbing | Yes | |
Value range | See enum entries table below. | |
Default value | Line1 | |
Availability | See enum entries table below. | |
Notes | Also check allPIXA evo and allPIXA neo for availability. | |
Error behavior | See the device error code documentation. | |
Line Selector Enum Entries:
Name | Availability | Description |
Line1 | Selects Line1 | |
Line2 | Selects Line2 | |
Line3 | Selects Line3 | |
Line4 | Selects Line4 | |
Line5 | Selects Line5 | |
Line6 | Selects Line6 | |
Line7 | Selects Line7 | |
Line8 | Selects Line8 | |
Line9 | Selects Line9 | |
Line10 | Selects Line10 | |
Line11 | Selects Line11 |
Line Mode
Name | LineMode[LineSelector] | Standard |
Description | Controls whether the physical line is used to input or output a signal. | |
Interface | Enumeration | |
Access mode | Read/Write | |
Adjustable while grabbing | Yes | |
Value range | See enum entries table below. | |
Default value | Input | |
Notes | - | |
Error behavior | See the device error code documentation. | |
Line Mode Enum Entries:
Name | Description |
Input | The selected physical line is used to Input an electrical signal |
Output | The selected physical line is used to Output an electrical signal |
Line Inverter
Name | LineInverter[LineSelector] | Standard |
Description | Controls the inversion of the signal of the selected input or output Line. | |
Interface | Boolean | |
Access mode | Read/Write | |
Adjustable while grabbing | Yes | |
Value range | True – The Line signal is inverted False – The Line signal is not inverted | |
Default value | False | |
Availability | ||
Notes | - | |
Error behavior | See the device error code documentation. | |
Line Status
Name | LineStatus[LineSelector] | Standard |
Description | Returns the current status of the selected input or output Line. | |
Interface | Boolean | |
Access mode | Read only | |
Adjustable while grabbing | - | |
Value range | - | |
Default value | True – The level of the Line signal is High False – The level of the Line signal is low | |
Availability | ||
Notes | - | |
Error behavior | - | |
Line Source
Name | LineSource[LineSelector] | Standard |
Description | Selects which internal acquisition or I/O source signal to output on the selected Line. LineMode must be output. | |
Interface | Enumeration | |
Access mode | Read/Write | |
Adjustable while grabbing | Yes | |
Value range | See enum entries table below. | |
Default value | Off | |
Availability | See enum entries table below. | |
Notes | Also check allPIXA evo and allPIXA neo for availability. | |
Error behavior | See the device error code documentation. | |
Line Source Enum Entries:
Name | Availability | Description |
Off | Line output is disabled | |
FlashOut1 | Line output is Flash out 1 state. | |
FlashOut2 | Line output is Flash out 2 state. | |
FlashOut3 | Line output is Flash out 3 state. | |
FlashOut4 | Line output is Flash out 4 state. | |
FrameActive | Line output is Frame active state. | |
LineActive | Line output is Line active state. | |
MSOut | Line output is MasterSlave out state. | |
UserOutput3 | The UserOutput3 bit state as defined by its current UserOutputValue. | |
UserOutput4 | The UserOutput4 bit state as defined by its current UserOutputValue. | |
UserOutput5 | The UserOutput5 bit state as defined by its current UserOutputValue. | |
UserOutput6 | The UserOutput6 bit state as defined by its current UserOutputValue. | |
UserOutput7 | The UserOutput7 bit state as defined by its current UserOutputValue. | |
UserOutput8 | The UserOutput8 bit state as defined by its current UserOutputValue. | |
Fan | Line output is Fan | |
UART0 | Line output is UART |
Line Format
Name | LineFormat[LineSelector] | Standard |
Description | Controls the current electrical format of the selected physical input or output line. | |
Interface | Enumeration | |
Access mode | Read/Write | |
Adjustable while grabbing | Yes | |
Value range | See enum entries table below. | |
Default value | It depends on the LineSelector and the variant. | |
Availability | See enum entries table below. | |
Notes | Also check allPIXA evo and allPIXA neo for availability. | |
Error behavior | See the device error code documentation. | |
Line Format Enum Entries:
Name | Availability | Description |
NoConnect | The line is not connected. | |
SingleEnded_3V3 | The line is single ended input or output for 3.3V. Input signals less than 1.5V are considered as level low, signals higher than 1.5V as level high. | |
SingleEnded_5V | The line is single ended input for 5.0V or output for 3.3V. Input signals less than 2.5V are considered as level low, signals higher than 2.5V as level high. | |
SingleEnded_12V | The line is single ended input for 12.0V or output for 3.3V. Input signals less than 5.0V are considered as level low, signals higher than 5.0V as level high. | |
SingleEnded_24V | The line is single ended input for 24.0V or output for 3.3V. Input signals less than 5.0V are considered as level low, signals higher than 5.0V as level high. | |
RS422_NoTerm | The line is currently accepting or sending RS422 level signals with no electrical termination. | |
RS422 | The line is currently accepting or sending RS422 level signals. | |
Misc | The line is a special one |
UserOutput Selector
Name | UserOutputSelector | Standard |
Description | Selects which bit of the User Output register will be set by UserOutputValue. | |
Interface | Enumeration | |
Access mode | Read/Write | |
Adjustable while grabbing | Yes | |
Value range | See enum entries table below. | |
Default value | UserOutput3 | |
Notes | - | |
Error behavior | See the device error code documentation. | |
UserOutput Selector Enum Entries:
Name | Description |
UserOutput3 | Select the bit 3 of the User Output register. |
UserOutput4 | Select the bit 4 of the User Output register. |
UserOutput5 | Select the bit 5 of the User Output register. |
UserOutput6 | Select the bit 6 of the User Output register. |
UserOutput7 | Select the bit 7 of the User Output register. |
UserOutput8 | Select the bit 8 of the User Output register. |
UserOutput Value
Name | UserOutputValue[UserOutputSelector] | Standard |
Description | Sets the value of the bit selected by UserOutputSelector. | |
Interface | Boolean | |
Access mode | Read/Write | |
Adjustable while grabbing | Yes | |
Value range | True – The selected UserOutput bit set to 1 False – The selected UserOutput bit set to 0 | |
Default value | False | |
Availability | ||
Notes | - | |
Error behavior | See the device error code documentation. | |
Trigger Activation
Name | IOAnalyzerTriggerActivation | Custom |
Description | Selects the trigger condition for sampling. | |
Interface | Enumeration | |
Access mode | Read/Write | |
Adjustable while grabbing | Yes | |
Value range | See enum entries table below. | |
Default value | Auto | |
Availability | ||
Notes | - | |
Error behavior | See the device error code documentation. | |
Trigger Activation Enum Entries:
Name | Description |
Auto | Auto |
FallingEdgeChA | Falling Edge Channel A |
RisingEdgeChA | Rising Edge Channel A |
FallingEdgeChB | Falling Edge Channel B |
RisingEdgeChB | Rising Edge Channel B |
FallingEdgeChAorB | Falling Edge Channel A or Channel B |
RisingEdgeChAorB | Rising Edge Channel A or Channel B |
Source Channel A
Name | IOAnalyzerSourceChannelA | Custom |
Description | Selects an analyzer source for channel A. | |
Interface | Enumeration | |
Access mode | Read/Write | |
Adjustable while grabbing | Yes | |
Value range | See enum entries table below. | |
Default value | Off | |
Availability | ||
Notes | - | |
Error behavior | See the device error code documentation. | |
Source Channel A Enum Entries:
Name | Description |
Off | Off |
Line1 | Line1 |
Line2 | Line2 |
Line3 | Line3 |
Line4 | Line4 |
Line5 | Line5 |
Line6 | Line6 |
Line7 | Line7 |
Line8 | Line8 |
Line9 | Line9 |
LinkTrigger0 | LinkTrigger0 |
LinkTrigger1 | LinkTrigger1 |
Source Channel B
Name | IOAnalyzerSourceChannelB | Custom |
Description | Selects an analyzer source for channel B. | |
Interface | Enumeration | |
Access mode | Read/Write | |
Adjustable while grabbing | Yes | |
Value range | See enum entries table below. | |
Default value | Off | |
Availability | ||
Notes | - | |
Error behavior | See the device error code documentation. | |
Source Channel B Enum Entries:
Name | Description |
Off | Off |
Line1 | Line1 |
Line2 | Line2 |
Line3 | Line3 |
Line4 | Line4 |
Line5 | Line5 |
Line6 | Line6 |
Line7 | Line7 |
Line8 | Line8 |
Line9 | Line9 |
LinkTrigger0 | LinkTrigger0 |
LinkTrigger1 | LinkTrigger1 |
Start Sampling
Name | IOAnalyzerStartSampling | Custom |
Description | Starts sampling for the selected trigger condition. | |
Interface | Command | |
Access mode | Read/Write | |
Adjustable while grabbing | Yes | |
Value range | See enum entries table below. | |
Default value | 1 | |
Availability | ||
Notes | - | |
Error behavior | See the device error code documentation. | |
Stop Sampling
Name | IOAnalyzerStopSampling | Custom |
Description | Stops sampling for the selected trigger condition. | |
Interface | Command | |
Access mode | Read/Write | |
Adjustable while grabbing | Yes | |
Value range | See enum entries table below. | |
Default value | 1 | |
Availability | ||
Notes | - | |
Error behavior | See the device error code documentation. | |
Sample Rate Reduction
Name | IOAnalyzerSampleRateReduction | Custom |
Description | Selects the sample rate reduction factor. | |
Interface | Enumeration | |
Access mode | Read/Write | |
Adjustable while grabbing | Yes | |
Value range | See enum entries table below. | |
Default value | ReductionFactor_1 | |
Availability | ||
Notes | - | |
Error behavior | See the device error code documentation. | |
Sample Rate Reduction Enum Entries:
Name | Description |
ReductionFactor_1 | No sample rate reduction |
ReductionFactor_10 | Sample rate reduction by factor 10 |
ReductionFactor_100 | Sample rate reduction by factor 100 |
ReductionFactor_1000 | Sample rate reduction by factor 1000 |
Sample Rate
Name | IOAnalyzerSampleRate | Custom |
Description | Displays the sample rate in Hz. | |
Interface | Float | |
Access mode | Read Only | |
Adjustable while grabbing | No | |
Value range | - | |
Default value | - | |
Availability | ||
Notes | - | |
Error behavior | See the device error code documentation. | |
Trigger Position
Name | IOAnalyzerTriggerPosition | Custom |
Description | Selects the trigger position for an io analyzer. | |
Interface | Integer | |
Access mode | Read/Write | |
Adjustable while grabbing | Yes | |
Value range | [0, 2047] | |
Default value | 0 | |
Availability | ||
Notes | - | |
Error behavior | See the device error code documentation. | |
IO Analyzer State
Name | IOAnalyzerState | Custom |
Description | Displays the state of an IO analyzer. | |
Interface | Enumeration | |
Access mode | Read Only | |
Adjustable while grabbing | No | |
Value range | See enum entries table below. | |
Default value | PreEventSampling | |
Availability | ||
Notes | - | |
Error behavior | See the device error code documentation. | |
IO Analyzer State Enum Entries:
Name | Description |
PreEventSampling | An IO Analyzer is in pre-event sampling state. |
WaitForTrigger | An IO Analyzer is waiting for the trigger. |
Sampling | An IO Analyzer is sampling the signal. |
Finished | An IO Analyzer is stopped manually, or the buffer is full. |
IO Analyzer State
Name | IOAnalyzerState | Custom |
Description | Displays the state of an IO analyzer. | |
Interface | Enumeration | |
Access mode | Read Only | |
Adjustable while grabbing | No | |
Value range | See enum entries table below. | |
Default value | PreEventSampling | |
Availability | ||
Notes | - | |
Error behavior | See the device error code documentation. | |
IO Analyzer State Enum Entries:
Name | Description |
PreEventSampling | An IO Analyzer is in pre-event sampling state. |
WaitForTrigger | An IO Analyzer is waiting for the trigger. |
Sampling | An IO Analyzer is sampling the signal. |
Finished | An IO Analyzer is stopped manually, or the buffer is full. |
IO Analyzer Status
Name | IOAnalyzerStatus | Custom |
Description | Displays the status of an IO analyzer. | |
Interface | Enumeration | |
Access mode | Read Only | |
Adjustable while grabbing | No | |
Value range | See enum entries table below. | |
Default value | AnalyzerInactive | |
Availability | ||
Notes | - | |
Error behavior | See the device error code documentation. | |
IO Analyzer Status Enum Entries:
Name | Description |
AnalyzerInactive | Analyzer is not active. |
AnalyzerInProgress | Analyzer is either waiting for trigger or sampling. |
Success | Sampling finished successfully. |
Warning | An IO Analyzer is finished with warning. |
AliasingWarning | Could not sample all the signal transition. |
Event Count
Name | IOAnalyzerEventCount | Custom |
Description | Displays the valid IO analyzer events occurred. | |
Interface | Integer | |
Access mode | Read Only | |
Adjustable while grabbing | No | |
Value range | [0, 2048] | |
Default value | 2048 | |
Availability | ||
Notes | - | |
Error behavior | See the device error code documentation. | |
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