PT2272A-L2 Princeton Technology Corp., PT2272A-L2 Datasheet - Page 11

• Manufacturer Part Number: PT2272A-L2
• Description: Remote Control Decoder
• Manufacturer: Princeton Technology Corp.

Remote Control Decoder
OPERATION FLOWCHART
DECODER WITHOUT DATA OUTPUT PIN
1. When Power is turned on, PT2272 activates the Stand-By Mode.
2. It then searches for signals. If there is no signal received, it remains in the Stand-By Mode;otherwise,
3. The VT goes high signifying the validation of transmission only when there are two (2) continuous
4. Then, the Address Bits are again checked. Two continuous mismatches of the address bits would
PT2272 v3.5
the address bits received are compared with the address configuration of the pins.
frames that contain matched address bits; otherwise, VT will not be activated and the Stand-By
Mode remains active.
disable the VT and make the Stand-By Mode active; otherwise, the address bits are continuously
checked.
Yes
Yes
No
Stand-By Mode
Address Bits
Address Bits
Address Bits
Still Match?
Address Bits
Still Match?
Activate VT
Power ON
Signal In?
Match?
Match?
No
Yes
Yes
Yes
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No
No
No
Disable VT
URL: http://www.princeton.com.tw
Fax: [phone]
Tel: [phone]
June, 2004
PT2272