Barracuda RV8 Скачать руководство пользователя страница 10 | Manualshive

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4-22

System 3

RV8 Barracuda

DB25

Connector

Pin

Out

Option

I/O

DB9

Connector

Pin

Out

Pin

Name

Description

Pin

Name

Description

1

Do0

Digital Output Channels

14

Do1

Digital Output Channels

2

Do2

15

Do3

3

Do4

16

Do5

4

Do6

17

Do7

5

GND

Ground

18

Di0

Digital Input Channels

6

Di1

Digital Input Channels

19

Di2

7

Di3

20

Di4

8

Di5

21

Di6

9

Di7

22

Di8

10

Di9

23

Di10

11

Di11

24

Di12

12

Di13

25

Di14

13

Di15

Pin

Name

Description

1

AGND

Analog Ground

2

A1

Analog Channels

3

A2

4

A3

5

A4

6

A5

7

A6

8

A7

9

A8

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Содержание RV8

Страница 1: ...e control is implemented with circuit files developed using TDT s RP Visual Design Studio RPvdsEx Circuits are loaded to the processor through TDT run time applications or custom applications This manual includes device specific information needed during circuit design For circuit design techniques and a complete reference of the RPvdsEx circuit components see the RPvdsEx Manual Nanosecond Event T...

Страница 2: ...s The Barracuda has two control modes Free run and Triggered In Free run mode the circuit runs continuously and gating functions are required to control the signal outputs and inputs In Trigger mode the circuit only runs after it has been triggered It then runs for a set number of samples and then stops The system can be triggered once or multiple times The circuit must be reset before it can trig...

Страница 3: ...All eight channels 0 7 have a TTL indicator light 25 pin Connector for Digital Inputs and Outputs A 25 pin connector gives access to all 24 channels of digital I O The pin outs for the connector are shown in Barracuda Technical Specifications on page 4 21 TDT provides the PP16 with 24 connectors to give users easy access to all the digital output channels of the Barracuda Barracuda Device Setup Th...

Страница 4: ... true sample rate take the reciprocal of the required sample period in seconds Device Configuration Parameters The device configuration parameters allow RPvdsEx access to unique features on the RV8 To access a particular parameter either double click on the parameter name or click on the parameter and click the Modify button To reset the parameter value to the default mode click Clear Special Mode...

Страница 5: ... the value needed sum the individual bit masks see above The bit masks include DoCount 1 the trigger mode 16 32 or 64 depending on what trigger option and possibly enabling MTRIG 128 Bit Number Enabled Value Name Function 0 1 DoCount Sets up system to run under trigger mode 1 2 AutoClr Clears the DAC out buffers after a trigger event 2 4 TickOut Sends a pulse at the beginning of each tick period o...

Страница 6: ...mode At all other times the circuit is free running Sample Counter Low 16 the lower 16bits of the sample counter 0 65535 Sample Counter High 16 the upper 16bits of the counter A value of 1 in Sample Counter High 16 65536 Logic User selects whether a high voltage on a digital line is a logical 1 or logical 0 on the Barracuda The default state for a high voltage on a digital line is 1 high true Sett...

Страница 7: ...e triggering with RPvdsEx add the bit masked value of 128 to the Special Mode value For example to configure the Barracuda for multiple triggering from the zBUSTrigA you would set the value to 1 Trigger Enabled 16 ZbusTRIGA 128 multiple triggers RPvdsEx has no way to control the number of presentations To generate an RPvdsEx circuit for multiple triggering use the Setup Device command on the Imple...

Страница 8: ...s The first event occurs 2 2 microseconds after the start of the first sample period so a value of 2 2 is generated The second event occurs 7 04 microseconds after the start of the second sample period so a value of 7 04 is generated TimeStamp Diagram The circuit below saves the event time in microseconds to a SerStore buffer The circuit has two parameter tags InputBit and data The InputBit tag se...

Страница 9: ...and GetDevCfg Detailed information about them is included in the ActiveX help Barracuda Technical Specifications DSP 50 MHz Sharc 21065 150 MFLOPS Memory 32MB SDRAM Digital Inputs 16 bits 1 TRIG input Digital Outputs 8 bits Analog Outputs 8 Channels Input Impedance 10 kOhm Output Impedance 10 Ohm ...

Страница 10: ...Channels 14 Do1 Digital Output Channels 2 Do2 15 Do3 3 Do4 16 Do5 4 Do6 17 Do7 5 GND Ground 18 Di0 Digital Input Channels 6 Di1 Digital Input Channels 19 Di2 7 Di3 20 Di4 8 Di5 21 Di6 9 Di7 22 Di8 10 Di9 23 Di10 11 Di11 24 Di12 12 Di13 25 Di14 13 Di15 Pin Name Description 1 AGND Analog Ground 2 A1 Analog Channels 3 A2 4 A3 5 A4 6 A5 7 A6 8 A7 9 A8 ...

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