Questions tagged [library]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
1
vote
2answers
54 views

Where should be defined a device specific ISR when making a static library?

Suppose I want to make a static library (.a file), which contains an ISR. That library should be used by many AVR MCUs, but each device has different ISR vector name, so it cannot be defined in .c ...
0
votes
1answer
27 views

Altium database library management - Is it possible to edit same database lib by two people?

We are using Altium database library. But our concern is if an engineer is working on the library then another engineer who needs to add new part in the same database have to wait. Is there a way to ...
0
votes
0answers
24 views

mismatch in register delays between lib files and generated sdf file (Synopsis Design Compiler)

The recovery time in sdf file of register is unrealistic delay as it is 50ns and this not the only problem, but the same register in anther place in the design has recovery time 0.3ns ! and recovery ...
0
votes
0answers
24 views

How can I simulate “definitions” (DEF/ENDDEF) and to draw (DRAW/ENDDRAW) on LTspice, is it possible?

I have the circuit XR2211 described on "definition" with the commands DEF and ENDDEF, and drawn with the command DRAW and ENDDRAW. Working simulations in LTspice there are many information, but this ...
0
votes
0answers
13 views

Where to find StdPerieph Library for SPL programming with Nucleo-F746ZG?

I want to start SPL programming with Keil software. I did not find the StdPeriph Library for Nucleo-F746ZG board. Where to find the library on the ST website?
0
votes
2answers
58 views

How to create a static library for a UART sensor for STM32?

I am working on a project using the NUCLEOF103RB development board that interfaces with a fingerprint sensor over UART. I am using the TrueStudio IDE and would like to develop a "library" for the ...
2
votes
1answer
39 views

Hybrid library vs normal one

We use Orcad and we want to update our libraries. When we place a part and want to rotate it,we don't like the layout of the labels(names,values etc) and thus have to manually reposition them. It's ...
3
votes
4answers
405 views

How to use libraries with delays inside within a time critical STM32 HAL application?

I want to use a library for an LCD for STM32: LiquidCrystal, and possibly some other libraries. I noticed this library is full of HAL_Delay calls, not only during initialisation but also during ...
1
vote
1answer
32 views

Altium - Changing the libraries for completed schematics and PCB design

I made a design using a library (say 'All.SchLib' and 'All.PcbLib' where I have everything). Then I made libraries from the project (say 'projectA.Schlib' and 'projectA.Pcblib' which now contain only ...
0
votes
0answers
18 views

How can I change to metrics units in the “Pad template editor” in Altium 19?

I wonder how I can change the units in the pad template editor to metrics? I also wonder if I can change the default vias to look nicely! For me the default vias looks like this: However after ...
0
votes
0answers
71 views

I get error while using altium library

I made an integrated library using altium form my personal usage. Everything was OK but today when I want to use this library I get this error while try to use some of the components. [File Access ...
0
votes
1answer
44 views

Is it possible to change gain on Adafruit PN532

Is it possible to change the gain on an Adafruit PN532 board? I need to LIMIT the range in order for it to NOT interfere with another PN532 installed close by. The board is to be used with an ...
1
vote
0answers
67 views

Footprint panel is grayed on Altium Designer PCB

This is a project I imported from Eagle (not so bad by the way). I resolved all schematic compilation errors. But now I am facing some small issues in the PCB part: On the properties panel when I ...
0
votes
0answers
76 views

What is the binary format of the OrCAD .OLB files?

I want to auto generate .OLB files for my own components, so I need to either use Orcad Capture scripting, or alternatively write the binary .OLB files myself. Is there anybody that have seen a ...
0
votes
1answer
40 views

How to show or print all the parts in an OrCAD library (OLB) file?

I have a .OLB file for OrCAD schematic where there are multiple part in. I an open the .OLB file using File => Open => Library, and I can also successfully place parts in a design. From previous ...
0
votes
0answers
59 views

Mentor Graphics Dxdesigner (Databook and Central Library) and iCDB Server

I am new to the Mentor Graphics VX2.2 Schematic tool. Can someone help me with the difference between the Databook and Central Library? I am using the components from the databook only. But what is ...
0
votes
1answer
44 views

Eagle: Converting DXF circles to pads

Has anyone been able to convert shapes from DXF file to pads in Eagle? Is it possible to convert circles to Eagle pads? I have just arranged and positioned things using Fusion360 and now I want to ...
0
votes
0answers
26 views

Creating footprint in Eagle library: Connect pads with wire

I'm creating a library with a footprint of a capacitive switch/button. I created two pads for the switch. Now I want to connect the wires of the switch to the pads to not generate any errors anymore. ...
1
vote
2answers
284 views

edit component in *.intlib library

I have a previously used a resistor component in my project that originated from an *.intlib library. Now I want to use an alternate footprint. However, I cannot access the .schlib file of the ...
2
votes
4answers
192 views

Is there a way to write a generic GPIO code for MSP430?

I'm currently working on an MSP430 board and I'm trying to create libraries for it so I can easily use them on my project. I'm starting with basic Digital I/O functions. Say for example I need to ...
2
votes
1answer
200 views

“light_ws2812” library 10x slower than required (AVR C, ATMega328p int. 8Mhz)

So I'm trying to run some SK6812 (WS2812 clones) on a standalone ATMega328p. The output signal is too slow! I define F_CPU as 8000000 (8Mhz), both in the code and in the Atmel Studio Symbols, but my ...
4
votes
3answers
522 views

Altium parts management in a small startup

I recently joined a small startup as the only HW designer (working in Altium 18) and am looking for ways to optimize my design time without having access to a full-fledged CAD team. In my previous ...
0
votes
1answer
39 views

EAGLE Library sub directory

How can I keep multiple libraries of a similar type grouped, say multiple terminal blocks with a different number of pins. I want to have a drop down menu that says "Terminal_Blocks" with several ...
2
votes
0answers
136 views

Altium .CMPLib advantages over .SVNDBLib

My team and I have been tasked with overhauling our library management system for components within our Altium Designer tool set. I am trying to understand the advantage (if any) of adopting the ...
1
vote
3answers
376 views

Altium designer, The designator does not update when using update from libraries

I am fairly new to this forum and to altium designer. I am having a problem updating a transistor designator from Q? to T?. When I use the update from library in the tools menu, all the parameters ...
3
votes
1answer
75 views

Altium Component Part Description

A Component in the Library has 11 Parts. At the moment I get a Description for Component as a whole. Is there a way to change Description of each Part? What I have: a component have only one ...
1
vote
1answer
328 views

Altium chaning footprint's origin cause shifting on pcb issue

I needed to update all of my components in my library (shown in the images below), but when I update my project to new components, all of the components are shifting because of origin change. Is it ...
0
votes
3answers
408 views

Altium: Designing a switch with 3 pads, 2 positions but only single contact

I want to design a switch which commutes a single contact between 2 pins. I have drawn a schematic with 2 pins. IRL, the switch has 3 pads, one is unconnected. I can't associate the physical design ...
1
vote
2answers
207 views

What is this section category in Model Library Setup in Cadence Virtuoso ADE L?

I usually leave it at default while constructing circuit in Cadence Virtuoso. I didn't really understand what it is or why it is used for.
0
votes
1answer
359 views

Add footprint to PCB Library in Altium

I inherited a project from an engineer who just left our company. In his (Altium) PCB Layout, there's a footprint on the board for a 2 pin connector, but it's not in the library. I need to edit the ...
1
vote
1answer
1k views

LTSpice: 74HCT Library - Setting 74HCT74 D F/F Initial State

I am using the 74HCT library from the Yahoo user group. I currently have two 74HCT74 D flip-flops in my circuit but I do not know how to set their initial state (Q = LOW for both). Is this done in a ...
0
votes
1answer
467 views

How to find SMD transistors library for Altium Designer?

I am new in PCB design, so excuse me if this is a bad question! I know the basic electronics and how to draw schematics in Altium. But about SMD parts, I am a little confused! How can I find SMD ...
0
votes
1answer
245 views

Eagle CAD default assembly variant

I got source files (.sch and .brd) but unable to use Add command to add components. The error message said: "The Add command can only be used in the default assembly variant!" I can't modify at ...
-2
votes
2answers
2k views

where can I found STM32L4 DSP and standard peripherals library? [closed]

I want to use standard peripherals library for stm32l476rg(stm32-nucleo). But I could not find it. I dont want to use HAL Library. Do you any suggestion?
2
votes
1answer
6k views

What is the use of 'import' in SystemVerilog?

Once a package is included the file is compiled. Then why it is required to import same package ?
0
votes
1answer
386 views

Eagle: library with only common packages

is there some library with only common packages, but not compsed with devices? I use components from many sources and either I would end with tons of librarioes, or with tons of differnet models (...
3
votes
5answers
752 views

What's the best way to organize components database?

Thinking of building a local components database which maps company part number to multiple manufacturers. Assume SQL type thinking. Option 1. One table with company part numbers as primary key, ...
1
vote
2answers
2k views

I2C Code Composer Studio example for MSP430G2553

I've been scouring the forums for a complete I2C implementation for MSP430G2553 using Code Composer Studio. All I can find are code snippets out of context or single byte examples. I need to figure ...
0
votes
1answer
84 views

Trouble finding an NJM2360D Boost Converter EAGLE library [duplicate]

I am doing a Senior Design Project for my Electrical Engineering degree. This project involves making a PCB. I am having trouble finding a specific library for EAGLE 7.7.0 software. The library that I ...
0
votes
2answers
1k views

How to copy a polygon in eagle from one layer to multiple others in library (package) editor?

I have to layout kind of several boiler plates for layouts. I thought of designing it as a package in the library editor. Some drawing elements have to be present on any layer and some other have to ...
1
vote
0answers
314 views

What is the compiled size of Semtech LoRaMAC node libraries?

I'm trying to determine if the microcontroller I intend to use for a project will have enough flash memory for my preferred SDK and also the LoRaMAC libraries. Does anyone know roughly what the ...
0
votes
1answer
308 views

Altium Schematic Library Ready for BOM

I have taken an old project from PCAD and loaded it into Altium and it works great. Now in the project the same footprint was used for each different component with the same footprint. For example, ...
1
vote
2answers
456 views

SOT23-3 Pin out: IPC or Datasheet?

IPC-7351 gives a pin out and a 0 degree rotation for SOT23-3 packages; but, IC vendors use many different pin numberings. When I make my library component should I use the IPC pin numbering for all ...
3
votes
1answer
148 views

Altium - line spacing between the parameters in the schematic symbol

Does anybody know how to change the line spacing between the parameters in the schematic symbol without disabling the autoposition feature in Altium Designer? If I change the font (smaller) of the ...
1
vote
2answers
457 views

Altium: problems with generation 3D body with IPC component wizard

I'm a big fan of this feature embedded in Altium. However some of the component generators have flaws: Chip resistor and chip capacitor generators making me a wrong component height (despite the "...
1
vote
3answers
4k views

Add with carry in VHDL + operator

As I checked some documents about library ieee.std_logic_arith it seems resulting length of A+B will be 64-bit when both ...
0
votes
2answers
135 views

Pin management in Altium Designer

Introduction I'm new to Altium and trying to find the best workflow for it. The main concern for me is a library management. I found some ready to-use libraries: PcbLib from my colleague (it is the ...
2
votes
1answer
4k views

Straight forward method of adding encrypted third party models to LTSpice's Model Tree

I have >20 different types of MOSFET from fairchild that I would like to add to LTSpice's model tree. Fairchild encrypts their libraries. What is a straight forward method of adding their libraries to ...
4
votes
1answer
3k views

Altium Default Font

I want to change all default fonts of Altium to Arial, specifically in the Schematic. Right now they are Times New Roman. I changed my system font in my template but that doesn't seem to effect the ...
1
vote
0answers
138 views

Is there a .NET IVI library for the Tektronix TBS1052B?

I have a Tektronix TBS 1052B meter that I would like to control over a USB port, in a Windows/.NET environment. I am looking to use the IVI foundation's interface libraries in order to do this. I am ...