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