All Questions
35
questions
2
votes
0
answers
67
views
Determining a serial protocol of an industrial crane
I'm currently trying to read packets sent between a small truck-mounted crane's controller (handheld device with joysticks/buttons/etc) and its control box. The communication occurs over a single data ...
- 123
4
votes
2
answers
663
views
When designing a product that uses a DE9 connector, is it normal to just classify it as an RS-232?
Question:
When designing a product that uses a DE9 connector, is it normal to just classify it as an RS-232?
Background:
I am seeing a lot of references to RS-232 while reading engineering documents ...
0
votes
2
answers
155
views
Interfacing TLC59731 with Attiny85
Has anyone had any experience communicating with a TLC59731 from an Attiny85? I'm not sure how to configure the USI to support the EasySet "protocol" described in the datasheet. I imagine I ...
- 743
3
votes
2
answers
590
views
Detecting a break condition over UART on ATmega328P
I'm implementing a protocol which begins with an 88 µs break (low) and uses an 8-N-1 configuration.
The latter is easily set with UCSRnC, but is there a way to configure the UART hardware to detect ...
- 743
2
votes
2
answers
244
views
Reason to have MSB in a serial communication always high
I'm working on a code (written by other people) that uses a custom protocol to transmit data over RS485 in 8-bit packets.
For some reason, the protocol is built so that every 8 bits transmitted are ...
- 315
0
votes
2
answers
1k
views
What communication protocols are used with mobile displays?
I have been researching the communication protocols used between the motherboard/processor of touch screens used in phones and smart watches for a while, but I couldn't find much.
Generally, ...
1
vote
2
answers
245
views
Identification - 3-pin 3.3V serial port?
I'm trying to identify this port and read data off it. It's 1cm across, including a small square on the lower left. 3 pins, leftmost near square seems to be GND and rightmost reads 3.3V+ w. respect ...
- 11
0
votes
0
answers
95
views
Serial communication protocols used in spacecrafts and airplanes
I always see that CAN bus is used in automobiles for communication between nodes and for on board diagnostics and basically for the overall functioning of vehicle. What are the similar serial ...
3
votes
2
answers
1k
views
Are there any advantages to an inverted serial prototocol?
Why would someone implement an inverted serial protocol? Are there advantages in doing so? One obvious disadvantage seems to be that an extra device needs to be included in a circuit if the ...
- 10.7k
-1
votes
1
answer
602
views
How to convert from 2 data line full duplex to 1 data line half duplex?
I'm trying to design a circuit that can convert from a two wire full duplex (think SPI), with one transmit line and one receive line, to a one wire half duplex (think i2c), with bidirectional ...
- 107
0
votes
3
answers
389
views
What makes a communication architecture/protocol faster than others?
Why is thunderbolt considered faster than other?
Apart from the inherent channel properties which affect the speed of data propagation, what else determines the speed of data transfer?
Of course more ...
- 3,032
0
votes
1
answer
660
views
Why is a LIN cluster limited to 16 nodes?
It says everywhere that a LIN network can be made up of at most 16 nodes (1 master node and up to 15 slave nodes). The id field however is 6 bits long allowing for more than 15 slaves to be addressed. ...
2
votes
1
answer
584
views
SDLC Frame Check Sequence details
In the Synchronous Data Link Control (SDLC) protocol, the frame contains a "frame-check-sequence" (a CRC). The protocol contains a number of other implementation details, such as NRZI encoding, and ...
- 1,101
1
vote
1
answer
392
views
How to monitor one wire "kind of" protocol
In the current network, there's 1 master device, which gathers data from over 20 devices. Nameplate says the baud rate is 2400. In the bus cable there's one data wire, 12V and GND. A friend of mine ...
- 15
4
votes
1
answer
228
views
Identify this open collector serial protcol
I'm trying to analyze the serial link between two devices, respectively a motor controller board and a Li-Po battery manager, which battery powers both devices. The application is a battery-powered ...
- 13.5k