HX2272 Remote decoder circuit: Difference between revisions
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[[Category:English pages]] | [[Category:English pages]] | ||
[[Category: | [[Category:Electronics]] | ||
<google> | [[Category:Elektronik]] | ||
* [http://www.datasheetcatalog.net/cgi-bin/helo.pl?text=PT2272 | <google>HX2262-HX2272</google> | ||
HX2272 is equivalent to PT2272 | |||
* [[Remote controlled switch with HX2262 and HX2272]] look what's inside. | |||
* [http://www.princeton.com.tw/downloadprocess/downloadfile.asp?mydownload=PT2272_1.pdf PT2272 Datasheet] | |||
* [http://www.datasheetcatalog.net/cgi-bin/helo.pl?text=PT2272 PT2272 Application note] | |||
==1. Description== | ==1. Description== | ||
HX2272 | HX2272 is a remote control decoder for decoding signals encoded by the [[HX2262 Remote encoder circuit]]. | ||
The chipset is using CMOS technology. | |||
It has 12 bits of tri-state address pins providing a maximum of 531,441 (or 312) address codes; thereby, drastically reducing any code collision and unauthorized code scanning possibilities. | |||
HX2272 is available in several options to suit every application need : variable number of data output pins, latch or momentary output type. | |||
==2. Features== | ==2. Features== | ||
*Low-power CMOS technology | *Low-power CMOS technology | ||
*SNR | * Low SNR | ||
* 6 Data | * Up to 12 Tri-State code addresses pins | ||
* Up to 6 Data pins | |||
*Operating voltage range: 3 to 18V | *Operating voltage range: 3 to 18V | ||
*Instantaneous output latch | *Instantaneous output latch | ||
*DIP package | *DIP package | ||
*RC oscillator | *RC oscillator | ||
==3 Applications== | ==3 Applications== | ||
Line 34: | Line 41: | ||
|A0 ~ A5 | |A0 ~ A5 | ||
|I | |I | ||
!colspan="2"| | !colspan="2"| | ||
Code Address Pin Nos. 0 ~ 5. | |||
These six tri-state pins are detected by HX2272 to | |||
determine the encoded waveform bit 0 ~ bit 5. | |||
Each pin can be set to “0”, “1”, or “f” (floating). | |||
|- | |- | ||
|7 ~ 8 10 ~ 13 | |7 ~ 8<br>10 ~ 13 | ||
|A6/D5 ~ A11/D0 | |A6/D5 ~ A11/D0 | ||
|I/O | |I/O | ||
!colspan="2"| | !colspan="2"| | ||
(2) | Code Address Pin Nos. 6 ~ 11/Data Pin Nos. 5 ~ 0. | ||
These six pins are used as higher address input | |||
bits or data output pins depending on the version | |||
(type) of HX2272 used. | |||
When used as address inputs, these pins are | |||
tri-state input pins and each pin can be set to “0”, | |||
“1”, or “f” (floating). | |||
When used as output pins, these pins are driven to | |||
VCC if (1) the address decoded from the waveform | |||
that was received matches the address setting at | |||
the address input pins, and (2) the corresponding | |||
data bits received is a “1” bit. Otherwise, they are | |||
driven to VSS. | |||
|- | |- | ||
|14 | |14 | ||
|DIN | |DIN | ||
|I | |I | ||
!colspan="2"|Data | !colspan="2"| | ||
Data Input Pin. | |||
The encoded waveform received is serially fed to | |||
HX2272 at this pin. | |||
|- | |- | ||
|15 | |15 | ||
|OSC1 | |OSC1 | ||
|I | |I | ||
| | | | ||
Oscillator Pin No.1 | |||
| rowspan=2 style="border-bottom:3px solid grey;" valign="top" | | | rowspan=2 style="border-bottom:3px solid grey;" valign="top" | | ||
A resistor connected | |||
between these two pins determine the determine the basic HX2272 oscillation frequency. | |||
|- | |- | ||
|16 | |16 | ||
|OSC2 | |OSC2 | ||
|O | |O | ||
| | | | ||
Oscillator Pin No.2 | |||
|- | |- | ||
|17 | |17 | ||
|VT | |VT | ||
|O | |O | ||
!colspan="2"| | !colspan="2"| | ||
Valid Transmission. | |||
Active High Signal. VT in high state signifies that | |||
HX2272 receives valid transmission waveform. | |||
|- | |- | ||
|18 | |18 | ||
|Vcc | |Vcc | ||
| -- | | -- | ||
!colspan="2"|Power | !colspan="2"|Power positive | ||
|- | |- | ||
|9 | |9 | ||
Line 80: | Line 112: | ||
[[Image:HX2272 application.jpg]] | [[Image:HX2272 application.jpg]] | ||
<google> | <google>HX2262-HX2272</google> |
Latest revision as of 11:02, 30 August 2008
<google>HX2262-HX2272</google> HX2272 is equivalent to PT2272
- Remote controlled switch with HX2262 and HX2272 look what's inside.
- PT2272 Datasheet
- PT2272 Application note
1. Description
HX2272 is a remote control decoder for decoding signals encoded by the HX2262 Remote encoder circuit. The chipset is using CMOS technology. It has 12 bits of tri-state address pins providing a maximum of 531,441 (or 312) address codes; thereby, drastically reducing any code collision and unauthorized code scanning possibilities. HX2272 is available in several options to suit every application need : variable number of data output pins, latch or momentary output type.
2. Features
- Low-power CMOS technology
- Low SNR
- Up to 12 Tri-State code addresses pins
- Up to 6 Data pins
- Operating voltage range: 3 to 18V
- Instantaneous output latch
- DIP package
- RC oscillator
3 Applications
- Car security system home security / automation system
- Garage door controller
- Fans remote home security / automation systems
- Industrial remote control
- Toys with remote control
4. Pinout
Pinout 18-lead package |
Pin name | Input/Output | Note | |
---|---|---|---|---|
1 ~ 6 | A0 ~ A5 | I |
Code Address Pin Nos. 0 ~ 5. These six tri-state pins are detected by HX2272 to determine the encoded waveform bit 0 ~ bit 5. Each pin can be set to “0”, “1”, or “f” (floating). | |
7 ~ 8 10 ~ 13 |
A6/D5 ~ A11/D0 | I/O |
Code Address Pin Nos. 6 ~ 11/Data Pin Nos. 5 ~ 0. These six pins are used as higher address input bits or data output pins depending on the version (type) of HX2272 used. When used as address inputs, these pins are tri-state input pins and each pin can be set to “0”, “1”, or “f” (floating). When used as output pins, these pins are driven to VCC if (1) the address decoded from the waveform that was received matches the address setting at the address input pins, and (2) the corresponding data bits received is a “1” bit. Otherwise, they are driven to VSS. | |
14 | DIN | I |
Data Input Pin. The encoded waveform received is serially fed to HX2272 at this pin. | |
15 | OSC1 | I |
Oscillator Pin No.1 |
A resistor connected between these two pins determine the determine the basic HX2272 oscillation frequency. |
16 | OSC2 | O |
Oscillator Pin No.2 | |
17 | VT | O |
Valid Transmission. Active High Signal. VT in high state signifies that HX2272 receives valid transmission waveform. | |
18 | Vcc | -- | Power positive | |
9 | Vss | -- | Power negative |
<google>HX2262-HX2272</google>