The arrangement of pins and their functions on a device

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0
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2answers
79 views

I am messing around with some power supplies. There are pinouts labelled “reserved” and “remote”- what are they?

I have worked out that that the Remote pin works like the Green "Power Supply On (active low)" wire on an ATX supply, and found a wiki on remote sensing about it being used to get diagnostics on the ...
2
votes
1answer
60 views

27512 pinout and PCB layout

I'm trying to design PCB traces for a 27512 EPROM chip. But its pinout for the higher half of the address bus seems completely illogical to me and I cannot imagine how should I lay out my traces for ...
1
vote
1answer
43 views

Specs of HK-TR6A remote controller receiver

I'm trying to use a 2.4 GHz digital 6 channel remote controller to send signals to an Arduino UNO R3 board. The receiver is the HK-TR6A-V2. I can't find any information on what each pin input/output ...
6
votes
2answers
272 views

Transistor pinout - how to read the datasheet

Is the capsule's straight face visible? Or the round one? Is that top view or bottom view? Do all datasheets use the same orientation? This is the datasheet. I'm not looking for an answer ...
7
votes
4answers
190 views

Which of these marks signifies Pin 1 on the STM32F (LQFP64)?

I'm using the STM32F105, in a LQFP64 package. It has two circular markings, on opposing corners of the IC. This picture is for a different ST ARM, but the markings and silkscreen are similar: The ...
0
votes
1answer
22 views

Pinout for EA-X40027AR

Can anyone show me a pinout for the Character LCD EA-X40027AR from EPSON? I've already found a datasheet but it has no pinout...
1
vote
1answer
25 views

STK4192II pinout?

I have been blowing through bandwidth trying to find a pinout diagram of an old STK4192II stereo amp IC but all I can find are reference design schematics, while these will work I guess I want to use ...
1
vote
2answers
53 views

MSP430 Pin Variables

I am trying to program an MSP430FR5969 for the first time. I successfully executed and modified a program to blink one of the LEDs connected to P1.0. The relevant predefined variable is P1OUT. The ...
0
votes
2answers
48 views

Need help finding datasheet for Mitsubishi Electric AA11SB6C-ADFD TFT

Searching datasheet for Mitsubishi Electric AA11SB6C-ADFD LCD display. This LCD is discontinued product, no information on official site. Already tried sites like datasheetarchive, alldatasheet. Still ...
1
vote
3answers
241 views

Need help finding datasheet or pinout for Toshiba TCD2907DG

I really want to play with Toshiba TCD2907DG - this is color linear CCD sensor. I've found a number of datasheets for other TCD*, but not this one. I would really appreciate any reference to ...
1
vote
1answer
237 views

Meaning of control pins: CE, OE, WE

Just understanding some syntax. On my Ram (6116) and Rom (27C64) it has a asserted low CE and OE pins. These I believe are control pins. I'm assuming to use the RAM for example, chip enable (CE) has ...
2
votes
1answer
69 views

Standard nomenclature for 2-row connector numbering schemes

Two-row connector blocks are ubiquitous in small-run and hobbyist PCB designs. Pitches of 0.1" or 2mm are the most common, and there are all sorts of options for board-to-board or board-to-wire ...
1
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1answer
70 views

Purpose of the Latch Enable (\$\overline{LE}\$) and Ripple Blanking (\$\overline{BI}\$) pins on 74HC4511

I am looking at the datasheet for the 74HC4511 (available here), and I am confused by the usage of two of the pins: Firstly, the "Latch Enable" pin (\$\overline{LE}\$), and secondly the "Ripple ...
1
vote
1answer
91 views

Designing RJ45 connector to have 100Ω differential impedance

I'm designing two pairs of connectors that have same layout as RJ45 (just 2 inner pins) to have 100 ohm impedance deferentially. Are there tools that allow to calculate impedance or ...
1
vote
1answer
94 views

Help me understand the pinout of this 21" LED display driver

I am trying to connect a 21" LED Display driver's input pins to my power board. There is a datasheet also but it doesn't have the input pin diagram. Therefore, I have got the below attached input pin ...
2
votes
1answer
200 views

Utility of two pins requiring same voltage

I have a LED backlight driver, which has input pin assignment as: Pin Function 1,2 12V Input 3 Brightness control PWM : 100Hz~20KHz DC : 0.5V~2.5V 4,6 ...
1
vote
0answers
72 views

Help identifying pinout of LTM-0436M multi-segment LED

I've got following unique segmented LED display module from local store. It has 8-pin (physically similar to common 7-Segment display), the marking on body of the module is clearly printed as ...
3
votes
1answer
124 views

buck-boost, SEPIC IC out 3.3V and min 500mA 0.1" packaging

I am building some sort of navigation device for a logisitics project in my company. The whole thing is going to be battery (6V) powered, so I'm looking for every possible way to avoid losses to heat ...
2
votes
1answer
297 views

Do 9-pin LCD modules have a standard interface?

I bought some text LCD modules without spec sheets or obvious part numbers. They all have a series of connector pins, unlabelled other than a 1 to indicate pin 1. I was able to get the one with a ...
3
votes
1answer
144 views

How can I power a SCSI hard drive without a motherboard/scsi card?

While this is possibly more of a Super-User question, I chose to put it in EE because I'm looking for information about power assignments on SCSI cables, and understanding how to send power ONLY (not ...
1
vote
2answers
334 views

Connect a microSD reader to a LilyPad USB, where are the digital ports?

I am attempting to connect a microSD breakout board to a LilyPad Arduino USB. The microSD board has previously been connected to an Arduino Duemilanove. In the Duemilanove setup, the following ...
2
votes
4answers
226 views

Confused about IN/OUT architecture of z80 chip

I am reading the manual, and it's a bit complex. I can't understand the machine code encoding for the life of me, but that's not my main concern ... my main concern is the address/data buses. I do ...
0
votes
0answers
96 views

Datasheet or other info on camera module of Samsung Galaxy S WiFi 3.6

I got a couple of dead (water damage, broken) Samsung Galaxy S WiFi 3.6, so I'd like to use some of the parts of them. Especially I hoped to use the camera modules for some µC-Projects, but I can't ...
1
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1answer
758 views

Pinout of iPhone 4/4S rear camera connector?

Has anyone come across the pinout of an iPhone 4/4S rear camera module connector?
0
votes
1answer
766 views

Pinout of Audi 2008 A4 Quattro 3.2L MMI to iPod?

I have came across an Audi A4 2008 Quattro 3.2L, and in the glove compartment it an iPod dock. I took it apart and behind the iPod dock there is a PCB which connects to the ipod connector (which ...
0
votes
1answer
402 views

Interface/pinout of a smartphone camera module?

I am wondering where, if any, I can get information regarding interfacing/connecting with a smartphone camera module. For example, this camera module is a replacement for SGS4 and I can clearly see ...
6
votes
2answers
426 views

Program to draw pinouts (and easily visualize pin's multiplexed functions)

Documenting an electronics project is also an important task if it will be used by someone else other than the hardware designer(s). Right now I need to draw a diagram for a breakout board in order to ...
14
votes
2answers
396 views

Why would the VCC/GND pins of an ATtiny26 not be aligned?

In the following pinout diagram for an ATtiny26 microcontroller, a 20-pin IC: The VCC/AVCC and GND pins aren't aligned. Surely it would be easier for PCB design to connect these by going straight ...
3
votes
1answer
64 views

What does the RNF pin do on an H-bridge?

The H-bridge in question is a BD6212FP. Pins 7 and 8 are marked "RNF". Below is a link to the datasheet. http://www.farnell.com/datasheets/46169.pdf
8
votes
2answers
1k views

What's an alternate pin function on a microcontroller?

I'd like to know what "Alternative Function" refers to in the context of the IO ports of a microcontroller. I don't need to know how to activate it when connecting to a peripherial, but I'd like to ...
2
votes
0answers
478 views

Alarm Clock 7 Segment LED display

I recently got an alarm clock from goodwill and took it apart and am probably going to use the display for some tests. Here is a picture of the front of the display: The text on the left is ...
2
votes
1answer
193 views

What is the metal sheath surrounding a USB connector, and is it commonly connected?

I was tearing apart a mouse for repairs and noticed that the small plug for the USB connection had a fifth connection. This connection had a much thicker wire than the other four. I assume it is ...
0
votes
2answers
500 views

How to determine the pinout of this connector?

I am sorry for the potentially awkward question, but does anyone know how I can figure out how this 9-pin serial is wired, without tearing it apart? Am I supposed to be able to see how it is wired by ...
6
votes
6answers
616 views

Identifying pin numbers from PCB

I have a PCB with documentation. In the documentation, there is referred to specific pins of several jumpers and connectors. On the PCB however, there isn't a label or so for which pin has what ...
0
votes
2answers
137 views

Newb Voltage regulator pin-out question

So I just put my first complicated circuit together and of coarse it doesn't work, good news is I found the problem. Given a LA5752 voltage regulator I assumed the hookup was pin1->Vin, pin3->GND and ...
1
vote
2answers
480 views

4 pin microphone SMD pinout indentification

Is there any way to "guess" what's the pinout for microphone without damaging it? Better yet do you know what's the pinout for this? (I have searched on the web but most no site provide schematics. ...
0
votes
1answer
301 views

24v brushless DC Driver Pinout

I have some Brushless DC Motors with drivers and I need some help finding the pinout of the drivers. Please take a moment to view the pictures here, clicking on a picture will show its ...
4
votes
1answer
576 views

Why JTAG connectors are available in 10pins/14pins/20pins when JTAG is of 5pins

AFAIK, JTAG is requires 5 pins (Wikipedia article): TDI (Test Data In) TDO (Test Data Out) TCK (Test Clock) TMS (Test Mode Select) TRST (Test Reset) optional. Let's add two more Power supply Pins ...
12
votes
6answers
2k views

Is there any definitive I2C pin-out guidance out there? Not looking for a “STANDARD”

EDIT: This has been repeated several times, so putting it on top: Yes, it is well known that there is no "standard" for I2C inter-device connectors, but surely this community can formulate a list of ...
2
votes
2answers
854 views

male-male VGA cable wiring

I need to build a VGA cable (assemble connectors to wire). I need a male-male cable. Is its wiring straight or cross? (should i connect 1-1,2-2,... or something else) Thanks
3
votes
2answers
1k views

Identifying Pins of an Unknown LCD

I got a LCD removed from some device. I need to check whether it is working. But the thing is I only have the LCD, no datasheet or any documentation regarding that. I have an Arduino mega 2560. I'm ...
5
votes
2answers
138 views

Power consumption of unimplemented pins?

New versions of TI's Code composer studio have a lint-like tool which checks the code and provides recommendations on how to modify the code to decrease power consumption. One of the things I've ...
1
vote
1answer
2k views

What is the pinout for HTC One X docks?

I used to have a Motorola Milestone which used magnets to detect car and desktop docks. I've now got an HTC One X and am looking for dock options. The standard ones look pretty expensive, but there ...
5
votes
2answers
3k views

Which pair of an Ethernet cable does a router transmit on?

I've seen numerous articles about straight-through and crossover cables and why they are needed. With conventional straight-through cabling, one device transmits on pair 2 (pins 3 and 6) while the ...
2
votes
2answers
712 views

Can't figure out this seven segment display

I recently bought four of these seven segment displays: http://www.electrokit.com/en/leddisplay-7segment-58mm-red-green-ca.49450 I'm having no luck however to make it to work, and since there is no ...
1
vote
1answer
230 views

Help identifying connections on Kyosan KE750 power supply

I recently picked up a used 12V power supply for dirt cheap. It is a Kyosan KE750. I've searched the Internet for a manual, but have not been able to find any. Yes, I have plugged it in, and it ...
2
votes
0answers
155 views

What is the usage of 3rd lead in mobile batteries [duplicate]

Possible Duplicate: Why we have 3 pins on some batteries? I'm trying to build (DIY) open charger for mobile battery. I would like to know what is the usage the middle one? Is there ...
5
votes
2answers
520 views

Option to fail Xilinx process if pins are unconstrained

I am using Xilinx WebPack 13.2 and I recall there being a setting to force the Xilinx process to fail if a top level input/output net isn't constrained to a pin. I would like for the process to fail ...
0
votes
1answer
428 views

Symbols on aux sockets for old hifi [closed]

I have an old communist era E.European 'hifi' which I would like to connect a turntable too. There are three DIN socket inputs on the amp, and I assume one of them must be able to receive the phono ...
5
votes
1answer
453 views

Why is 1000Base-T RJ-45 pinout scrambled instead of having each diff. pair in sequence ?

I need to make an ethernet connection using a cable about 6 feet long to a small and low power gigE camera. Other signals are required (power to camera and hard trigger) and one cable is better than ...