SM5033A Datasheet, PDF (6/8 Pages) SamHop Microelectronics Corp. – IR DEODER

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SAMHOP Microelectronics Corp.
SM5033A/AL
IR DEODER
(7) Custom code setting
(a) SM5022/SM5033A code setting
Example :
Vcc
T3 T2 T1 K6
CODE
SM5022
(CODE C1=1, C2=1, C3=0)
Code set
SM5022
C1
C2
C3
1
0
1
1
1
0
1
1
1
Figure 7
Vcc OSC C2
C3
SM5033A
(CODE C2=1, C3=0)
SM5033A
C2
C3
0
1
1
0
1
1
SM5022 uses connecting diode to set ' 1 ', opens the circuit to set ' 0 '.
SM5033A uses connecting a 1000P capacitor to ground to set ' 1 ', direct short to
ground to set ' 0 '. C1 in SM5033A is internally set to ' 1 '.
Page 6
VER 1.0,NOV. 2000