SM5212E Datasheet, PDF (4/8 Pages) SamHop Microelectronics Corp. – SM5212E is a RF remote control encoder paired with SM5212D

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SAMHOP Microelectronics Corp.
SM5212E
2¹² RF ENCODER
FUNCTION DESCRIPTION
An information word consists of 4 periods as illustrated below.
1/3 bit sync. period
pilot period (12 bits)
address code period
Composition of information
data code
period
Address/Data waveform
OSC
BIT "1"
BIT "0"
Address
/Data Bit
TE
Encoder
Dout
< 1 word
4 words
Transmitted
Continuously
4 words
SM5212E begin a 4-word transmission cycle upon receipt of a transmission enable
(TE active low). This cycle will repeat itself as long as the transmission enable (TE is
held low). Once the transmission enable returns high the encoder output completes
its final cycle and then stops as shown below.
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