Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Register Log in

Confused in in HT640/HT648

Status
Not open for further replies.
Y

your1click

Member level 3
Joined
Oct 23, 2012
Messages
65
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,286
Location
Dubai, United Arab Emirates, United Arab Emirates
Activity points
1,689
3 wire communication.JPG I didn't try still but I want to 32 output but I found HT640/HT648 encoder n decoder but it have only 8 output, but there is name for 10 address/8 address data, address data means output but what is the meaning for 10 address, can i use this for different address, if can i transmit four transmitter with same wire...? please answer soon... thanks
 

Each transmitter can send coded data up to 18-bit, which is defined by the address inputs code. This code is send out to the receiver and if it has the same address code on his inputs it will activate the output. A transmitter will activate as many receivers as set up with the same code. Usually with one transmitter you want to address only one receiver. The code setting can be done by DIP switches or fixed soldered if no change is wanted.

Enjoy your design work!
 
It is possible to use a single wired connection to connect the 5 transmitter/receiver if you avoid bus collision with special circuit design. The transmitter outputs are push-pull outputs which cannot be paralleled(wire-or or 3-state output driver could be an option). If each transmitter can be activated independent of the other a bus collision can happen and the transmitted data get corrupted. So the question is really what the operation options are.

Enjoy your design work!
 
Status
Not open for further replies.

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top