SM5033A Datasheet, PDF (4/8 Pages) SamHop Microelectronics Corp. – IR DEODER

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SAMHOP Microelectronics Corp.
SM5033A/AL
IR DEODER
(5) Output Signal
(a) SP1~SP5 (Single pulse)
Transmitter key pressed
Received signal
Latch strobe pulse
12 BITS 12 BITS
Single shot output
(b) HP1~HP5 (Hold Pulse)
Figure 4
107 mSEC
Transmitter key pressed
Received signal
12 BITS 12 BITS
Latch strobe pulse
Hold pulse output
Figure 5
160 mSEC
HP signal is specially used in volume control.
Multi-key signal generated by HP key can be used in REC-PLAY, REC-PAUSE and
CUE/REVIEW function.
(C) CP1, CP2 (Cyclic Pulse)
Transmitter key pressed
Received signal
Latch strobe pulse
Cyclic pulse output
12 BITS 12 BITS
Figure 6
Cyclic pulse signal is specially used for ON/OFF, MUTE control.
Page 4
VER 1.0,NOV. 2000