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PT2604 Datasheet(PDF) 4 Page - Princeton Technology Corp |
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PT2604 Datasheet(HTML) 4 Page - Princeton Technology Corp |
4 / 14 page Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2604 V1.1 - 4 - April, 2006 Remote Control Decoder IC PT2604 FUNCTION DESCRIPTION PT2604 may be paired with our remote control encoder -- PT2607. When PT2604 receives data transmitted by encoders such as PT2607, it deciphers the 12 address bits and the 6 data bits. The DIN Pin Signal activates the oscillator which in turn decodes the incoming address and data bits. Please note under the Standby Mode, the oscillator is disabled. It is activated only if the DIN Pin is receiving data. PT2604 then compares the address which was received twice in a consecutive manner with its local address. If all the data received match the local address of PT2607, the 6 bits of data are decoded and transferred to the output pins. The VT Pin then is set to “HIGH” to indicate a that transmission is valid until no signal or unmatched address codes are received. Please note the VT Pin is set to “HIGH” only when there is valid transmission, otherwise, it is in “LOW” State. Please refer to the Operation Flowchart diagram. OPERATION FLOWCHART Power On Standby Mode Code In? Address Bits Match? Match with Previously Stored Data? Cons ecutive Checking? Address or Data Error? NO Disable VT & Ignore the Res t of This Word YES YES NO NO Store Data Latch Data to Output & Activate VT YES YES YES YES NO NO |
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