Posted on October 28, 2006 at 03:07Sir,
I am using Synchronous mode in communication by ST7538. So every bit is transmitted by the CLR/T clock. Now my task is to transmit data ie 1 bit in zero crossing time of AC cycle. Since modem has the facility to generate zero crossing pulse, i have given proper hardare to generate zero crossing pulse.now i am getting zero crossing output ZCOUT. i did enable the 11th bit (Command Write) for zero crossing sysnchronisation.
* Is it possible to send 1 bit as frequency? also Is it possible to detect in Reciever side?
* Is preamble transmission compulsary? because every time i want to transmit only 1 bit of my data.
* Is CLR/T necessary to transmit data?
* I want to transmit a bit as such transmit a bit in zero crossing then stop and then again transmit next bit in next zero crossing.
* Also send me other possiblities.(asynchronous method or any other chips)
* Also is there any 5 msec period cycle - CLR/T clock which synchronise with ZCOUT clock posedge or negative edge.(Any other IC)
I EXPECT YOUR REPLY VERY SOON,
THANK U
SARAVANAN.V.A
