PT2272A-L2 Princeton Technology Corp., PT2272A-L2 Datasheet - Page 7

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

Remote Control Decoder
Synchronous (Sync.) Bit Waveform
The Synchronous Bit Waveform is 4 bits long with 1/8 bit width pulse. Please refer to the diagram
below:
CODE WORD
A group of Code Bits is called a Code Word. A Code Word consists of 12 AD bits followed by one Sync
Bit. The 12 AD bits are interpreted as either address or data bits depending on the PT2272 version
used. Please refer to the diagrams below:
PT2272:
PT2272A–M2/L2:
PT2272–M3/L3:
PT2272–M4/L4:
PT2272–M5/L5:
PT2272–M6/L6:
PT2272 v3.5
A0
A0
A0
A0
A0
A0
A1
A1
A1
A1
A1
A1
A2
A2
A2
A2
A2
A2
A3
A3
A3
A3
A3
A3
Note: 1 bit = 32
A4
A4
A4
A4
A4
A4
A5
One Complete Code Word
A5
A5
A5
A5
A5
1/8 bit width = 4
A6
A6
A6
A6
A6
D5
A7
4 bit width = 128
A7
A7
A7
D4
D4
- 7 -
A8
A8
A8
D3
D3
D3
A9
A9
D2
D2
D2
D2
A10
D1
D1
D1
D1
D1
D0
D0
A11 SYNC
D0
D0
D0
SYNC
SYNC
SYNC
SYNC
SYNC
URL: http://www.princeton.com.tw
Fax: [phone]
Tel: [phone]
June, 2004
PT2272