PT2249A-SN 데이터 시트보기 (PDF) - Princeton Technology

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PT2249A-SN

Remote Control Receiver IC

Princeton Technology 

Remote Control Receiver IC

CYCLIC PULSE (CP1~CP2)

Tel: 886-2-66296288

Fax: 886-2-29174598

URL: http://www.princeton.com.tw

PT2249A_PT2250A

When signal is received, the cyclic pulse output is reversed. This cyclic pulse is used for Power

ON/OFF, MUTE, etc.

The relationship between CP1 and CP2 (in the PT2249A Series) is shown in the diagram below:

PT2249AL:

• CP1 may not be set to “H” level when CP2 is in “H” Level.

• CP1 is reset to “L” level whenever CP2 is set to “H” level.

PT2249AHN:

• CP1 may not be set to "H" Level when CP2 or HP1 or HP2 is in "H" Level.

• CP1 is reset to "L" Level whenever CP2 or HP1 or HP2 is set to "H" Level.

PT2249A_PT2250A V2.6

- 10 -

May, 2007

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