National Semiconductor DAC161P997 User Manual Download

Page: 1 / 12

background image

National Semiconductor

DAC161P997EVAL User’s Guide



2011 National Semiconductor Corporation Page 1 of 11 Rev: 0.00

July 20, 2011

Rev – 0.00

RoHS Compliant

Evaluation Board User's Guide

DAC161P997 Single-Wire 16-bit DAC for 4-20mA Loops

1
2
3
...
»

Summary of Contents for DAC161P997

Page 1: ...onductor DAC161P997EVAL User s Guide 2011 National Semiconductor Corporation Page 1 of 11 Rev 0 00 July 20 2011 Rev 0 00 RoHS Compliant Evaluation Board User s Guide DAC161P997 Single Wire 16 bit DAC for 4 20mA Loops ...

Page 2: ...em Qty Description DAC161P997EVAL 1 DAC161P997CISQ Device evaluation board PuffyALP_11012010_200_0026 exe 1 Application software available from http portal national com store view_item index html nsid D AC161P997EVAL SPIO4 1 USB interface board purchased separately at http portal national com store view_item index html nsid S PIO 4 ...

Page 3: ...stallation Copy the installation program to a temporary directory Start the program and follow the instruction on the screen the user will be asked to agree to the terms and conditions the options will be presented for selecting installation directory etc Note the path to which the software is installed installation_directory ...

Page 4: ...g system will attempt to install the USB driver software for the SPIO4 board Follow the instruction on the screen and direct the operating system to search for appropriate drivers in the installation_directory Drivers NSC_USB_v1 0 8 0 4 Connect DAC161P997 Test Board to the Loop supply up to 40V DC Complete evaluation system is shown below SPIO4 DAC161P997 CPU Reset VDDIO Header SHUNT MUST ALWAYS B...

Page 5: ...onnected via terminals 5 and 6 of J1 connector The optional shunt between terminals 2 and 3 will power up the on board diagnostic LEDs Jumper block Shunt position Function LOCAL LDO in Connects the output of the 3 3V LDO to the VD VA rail of the DAC161P997 ERRLVL SEL COM CENTER Sets the input to the ERRLVL pin of DAC161P997 VDDIO 1 2 Provides the rail potential to the stimulus board SPIO 4 Once th...

Page 6: ...y either navigating START National Semiconductor Corp Analog LaunchPAD v2 Analog LaunchPAD or if installed by clicking desktop shortcut The first screen is shown below If the system is properly assembled the SPIO4Board 1 and PuffyDAC should be listed in the Devices menu in the left hand side of the window Click on PuffyDAC in Devices Menu to continue ...

Page 7: ...ent release of software 3 Scripting Python interpreter window 4 DAC161P997 Data lets user send DAC output update data DAC update data changes output current at OUT pin of the device 5 DAC161P997 Config lets user send data destined for the DAC161P997 internal configuration registers 6 Stimulus Config lets user modify the operation of the SPIO4 board stimulus board The following sections will presen...

Page 8: ...Mode and follows it with repeated Intra Frame symbol until STOP is clicked NOTE Updating this control stops SWIF if already active Re start SWIF with any of the SEND buttons in other tabs Set Intra Frame Symbol D When checked SPIO4 sets the Intra Frame Symbol to D 50 duty cycle This setting keeps the link active at all times even though no meaningful data is being sent When cleared SPIO4 sets the ...

Page 9: ... the link to DAC161P997 Send File Click this control to select a file as the source of SWIF data SWIF data file is a text file containing only 0 1 A or D characters representing valid SWIF symbols It is up to the user to format the data frames When file is read in the name of the file will appear above Send File button and the Loop Current entry box will be cleared Stop Stops SWIF activity Check A...

Page 10: ...onality 8 bit Value bin Enter a string of 0 and 1 characters representing configuration data for each of the DAC161P977 internal registers ACK same as in DAC161P997 Data tab Send Sends the register address and data to the SWIF data buffer on SPIO4 and activates the link to DAC161P997 STOP same as in DAC161P997 Data tab Check ACK NACK same as in DAC161P997 Data tab ...

Page 11: ...EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION As used herein 1 Life support devices or systems are devices or systems which a are intended for surgical implant into the body or b support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in a signific...

Page 12: ...for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have executed an agreement specifically governing such use Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications and acknowledge and agre...

Reviews:

No comments

Related manuals for DAC161P997

Brand: National Semiconductor Pages: 29

Brand: Texas Instruments Pages: 4

Brand: Texas Instruments Pages: 8

Brand: Texas Instruments Pages: 12

Brand: Texas Instruments Pages: 28

Brand: Texas Instruments Pages: 10

Brand: Texas Instruments Pages: 35

TPS79801DCQEVM-434

Brand: Texas Instruments Pages: 9

Brand: Texas Instruments Pages: 17

Brand: Texas Instruments Pages: 8

SK-96380-120PMC

Brand: Fujitsu Pages: 34

AP0100AT2L00XUGAH-GEVB

Brand: ON Semiconductor Pages: 7

Brand: ON Semiconductor Pages: 10

Brand: Microchip Technology Pages: 23

ADA4432-1BCP-EBZ

Brand: Analog Devices Pages: 4

Brand: Analog Devices Pages: 2

Brand: Analog Devices Pages: 12

Brand: Analog Devices Pages: 8

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands