PT2272A-L2 Princeton Technology Corp., PT2272A-L2 Datasheet - Page 12

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

Remote Control Decoder
DECODER WITH DATA OUTPUT PINS
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. Whenever the Address Bits in a Frame match with that of the Address Configuration of the Pin, the
PT2272 v3.5
the address bits are compared with the address configuration of the pins.
data bits are stored into the memory. Also, when this IC finds two (2) continuous and identical data
having the same address bits, the data output(s) is activated and the VT is enabled. The VT is
disabled when there are 2 continuous mismatched addresses. For the momentary type, the data
output is reset; while for the latch type, the data output is sustained.
Yes
Yes
No
No
Data Bits Output
Previous Data?
& Activate VT
Address Bits
Store Data Bits
Stand-By Mode
Address Bits
Still Match?
Address Bits
Still Match?
Bit Match?
Power ON
Signal In?
Address
Match?
Match
No
Yes
Yes
Yes
Yes
No
No
No
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(For Momentary Type)
Reset Output Data
Disable VT &
Sustain Output Data
(For Latch Type)
Disable VT &
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Tel: [phone]
June, 2004
PT2272