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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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Then the input data codes bt9200b be determined. Here is some code I wrote for that chip. For the most up-to-date information, please visit our web site at http: It has a serial and a paralell interface.

HT9200A/HT9200B — DTMF Generators

I promise to post start a build log for my alarm as soon as I know I can do it He recommends Holtek B. Would I just connect the data pin of the IC to the pin 1 of my arduino to send the serial data to it? Click on the relevant section to be transferred to the relevant website page. Dimensions in mm Min. The oscillator function can be implemented by Connect a standard 3. X Y Pad No. Thanks in advance for any help. Additional supplementary information with regard to packaging is listed below.

The applications mentioned herein are used solely dwtasheet the purpose of illustration and Holtek makes no warranty or representation that such applications will be suitable without further modification, nor recommends the use of its products for application that may present a risk to human life due to malfunction or otherwise.


I’m probably doing everything wrong as I am more of a programmer than electronic eng. Still no tutorials however. Holtek reserves the right to alter its products without prior notification. Actually, I think it may be a little complex to ht9200bb serial mode eatasheet viewing this document. I know I’ve seen threads from other people trying to interface Arduino to DTMF, maybe there’s a datashest out there that you could adapt.

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As for the control timing diagram, see Figure 2. Fatasheet information appearing in this Data Sheet is believed to be accurate at the time of publication.

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.

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. However, Holtek assumes no responsibility arising from the use of the specifications described. Every digit of a phone number to be transmitted is selected by a series of inputs which consist of 5-bit data.


HTBSOP – Holtek – PCB Footprint & Symbol Download

As for the control timing diagram, refer to Figure 1. I am currently building a burglar alarm with 2 PIR sensors from sparkfun. These are stress ratings only. BroHogan God Member Posts: Ah, I took another look at the datasheet and you’re right. 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.

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. Thanks for any insight. I have searched the internet far and wide for the past few days and I have come up blank. Below is a datasheet datasheeet my IC and I have spent many hours trying to get this to work Hi Guys, I just received my Arduino in the post a few days ago and have been having great fun with it.