HT9200B DATASHEET PDF

HTB Datasheet, HTB Holtek DTMF Generators Datasheet, buy HTB DTMF IC. serial mode whereas the HTB contains a selectable serial/parallel mode interface for various applications such as security systems. HTA/HTB DTMF Generator With Serial Interface Features. Operating voltage: V~V Serial mode for the HTA Serial/parallel mode for the.

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Thus, these data input pins should not float. Dimensions in mm Min. X Y 1 Then the input data codes should be determined. I think the serial interface would suit perfectly with the arduino but I may be wrong.

The information appearing in this Data Sheet is believed to be accurate at the time of publication. htt9200b

However, Holtek assumes no responsibility arising from the use of the specifications described. The oscillator function can be implemented by Connect a standard 3. It has a serial and a paralell interface.

HT9200A/HT9200B — DTMF Generators

Actually, I think it may be a little complex to use serial mode after viewing this document. BroHogan God Member Posts: The relationship between the digital codes and the tone output frequency is shown in Table 1.

I’m probably doing everything wrong as I am more of dayasheet programmer than electronic eng. Click on the relevant section to be transferred to the relevant website page. As for the dataheet timing diagram, refer to Figure 1. Thanks for any insight.

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To get it to work, you’ll have to get the arduino to mimic the electrical behavior caused by the capacitance change that happens when you press one of those buttons. X Y Pad No. Holtek reserves the right to alter its products without prior notification. I have searched the internet far and wide for the past few days and I have come up blank. Hi Guys, I just received my Arduino in the post a few days ago and have been having great fun with it.

I’d really appreciate your help on this. I promise to post start a build log for my alarm as soon as I know I can do it Additional supplementary information with regard to packaging is listed below.

HT9200B Datasheet

He recommends Holtek B. I know I’ve seen threads from other people trying to interface Arduino to DTMF, maybe there’s a solution out there that you could adapt. Below is a datasheet for my IC and I have spent many hours trying to get this to work I datashheet these working so on to my next problem.

These are stress ratings only. When the IC is operating in the parallel mode, these pins become floating.

HTB datasheet, Pinout ,application circuits HTA/HTB — DTMF Generators

When the IC is operating in the serial mode, this pin becomes floating. The relationship between the digital codes and the tone output frequency is illustrated in Table 2. As for the control timing diagram, see Figure 2. Read ht9200v previous topic – next topic.

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Every digit of a phone number to be transmitted is selected by a series of inputs which consist of 5-bit data.

As this information may be updated at regular intervals users are reminded to consult the Holtek website for the latest version of the package information.

Thanks in dataasheet for any help. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. I am currently building a ht9200g alarm with 2 PIR sensors from sparkfun.

I think what you want is an IC that takes something the arduino can talk to easily, like serial, i2c, etc. I don’t think this is the ideal IC for your purpose, because it’s set up to receive inputs from a key numeric pad. Both modes produce the same basic tone pairs for digital dialing, corresponding to the keys: For the most up-to-date information, please visit our web site at http: Ah, I took another look at datashet datasheet and you’re right. Would I just connect the data pin of the IC to the pin 1 datwsheet my arduino to send the serial data to it?

Still no tutorials however.

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