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PT2270-L3 Datasheet(PDF) 4 Page - Princeton Technology Corp |
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PT2270-L3 Datasheet(HTML) 4 Page - Princeton Technology Corp |
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4 / 18 page  Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2270 V1.3 - 4 - May, 2006 Remote Control Decoder IC PT2270 PIN CONFIGURATION Pin Name I/O Description Pin No. A0 ~ A5 I Code Address Pin No. 0 ~ 5. These six tri-state pins are detected by PT2270 to determine the encoded waveform bit 0 ~ bit 5. Each pin can be set to “0”, “1”, or “f” (floating). 1 ~ 6 A6/D5 ~ A11/D0 I/O Code Address Pin No. 6 ~ 11/Data Pin No. 5 ~ 0. These six pins are used as higher address input bits or data output pins depending on the version (type) of PT2270 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. 7 ~ 8 10 ~ 13 DIN I Data Input Pin. The encoded waveform received is serially fed to PT2270 at this pin. 14 OSC 1 I Oscillator Pin No.1 16 OSC 2 O Oscillator Pin No. 2 A resistor connected between these two pins determine the fundamental frequency of PT2270. 15 VT O Valid Transmission. Active High Signal. VT in high state signifies that PT2270 receives valid transmission waveform. 17 VCC - Positive Power Supply 18 VSS - Negative Power Supply 9 |
Similar Part No. - PT2270-L3 |
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Similar Description - PT2270-L3 |
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