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| SM5032C/D SAMHOP Microelectronics Corp. DECODER GENERAL DESCRIPTION SM5032C/D is an infrared remote control decoder utilizing COMOS technology, paired with SM5021 for transmitter. The remote control system is capable of controlling eight functions and CP1 to CP6 can multi-decode. There is an option for two toggle signal outputs in these data control functions. Also there are two custom codes for user to separate different products. FEATURES * Wide operation voltage range, 2.4V to 6V * Infrared remote control receiver * Two custom code to separate products * Eight control functions for continuous signal * Mulit-key control outputs * Two toggle signal can be optioned in outputs * A single terminal type oscillator by means of RC is provided * Low power consumption * High noise immunity APPLICATIONS * Consumer Products Remote Control * Toy Remote Control * Audio Remote Control * 14 pin DIP or SO package PIN ASSIGNMENTS Vss DI CP1 CP2 CP3 CP4 CP5 1 2 3 4 5 6 7 14 13 12 11 10 9 8 SM5032C VDD OSC C1 C2 TP1 TP2 CP6 Vss DI CP1 CP2 CP3 CP4 CP5 1 2 3 4 5 6 7 14 13 12 11 10 9 8 SM5032D VDD OSC C1 C2 CP8 CP7 CP6 Page 1 V.1.0 May 28,2002 SM5032C/D SAMHOP Microelectronics Corp. DECODER BLOCK DIAGRAM VDD Vss DI Schmitt-Trigger Serial To Parallel Data Decode 6 Bits C1 Decoder C2 OSC Timing Generator 8 Bits OPTION Output Driver CP1 CP2 CP3 CP4 CP5 CP6 CP7 CP8 TP1 TP2 PIN DESCRIPTION Pin Name Vss DI CP1 ~ CP6 O CP7,CP8(TP2/TP1) C1,C2 OSC VDD I I POWER I/O POWER I Function Negative power supply Signal Input Multi-key control outputs Single-dey control outputs (Toggle function option) Custom code 38KHz OSC pin Positive power supply Page 2 V.1.0 May 28,2002 SM5032C/D SAMHOP Microelectronics Corp. DECODER FUNCTION DESCRIPTION A. Decoder Signal Input Format Bit Format 455KHz/ 192 Logic 1 is Logic 0 is EMPTY Frame Format There are four frames, each frame contains four fields while receiving: a) Frame Head / Three-Bits 1 1 0 (Metal Option ) b) Custom Code / Two-Bits C1 C2 c) Control Word / Seven-Bits 0000001~1000110 d) Synch Filed / Four-Bits of Empty B. Receiver Code Table Start Word 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 Custom Code B1 C1 C1 C1 C1 C1 C1 C1 C1 C2 C2 C2 C2 C2 C2 C2 C2 0 0 0 0 0 0 1 1 B2 0 0 0 0 0 1 0 0 B3 0 0 0 0 1 0 0 0 B4 0 0 0 1 0 0 0 0 B5 0 0 1 0 0 0 0 1 B6 0 1 0 0 0 0 1 1 B7 1 0 0 0 0 0 1 0 Receiver CP1 CP2 CP3 CP4 CP5 CP6 CP7/TP2 CP8/TP1 Page 3 V.1.0 May 28,2002 SM5032C/D SAMHOP Microelectronics Corp. DECODER C. Receiver Waveform Normal Condition ( Paired With SM5021A ) K1 K1 K1 K1 K2 K2 K2 K2 K1 K1 K1 K1 K1 K1 K1 K1 K2 K2 K2 K2 D1 F F F FF F F F F F F F F F F F F F F F t<81ms t=81ms t>81ms CP1 CP2 K7 K7 K7 K7 K3 K3 K3 K3 K7 K7 K7 K7 K3 K3 K3 K3 K7 K7 K7 K7 D1 F F F F F F F F F F F F F F F F F F F F tO 81ms tO 81ms tO 81ms TP1 CP3 Overlap Condition ( Paired With SM5021B ) If more than one data is received, multi-key decode available. ( Except for CP7/CP8 or TP1/TP2) K1 K1 K1 K1 K2 [K2+K1] K1 K1 K1 K1 K1 [K2+K1] K1 K1 K1 K1 D1 F F F F F F F F F F F F F F F F F F F F F t<81ms t>81ms t<81ms CP1 CP2 K7 [K7+K3] K3 K7 K7 [K7+K3] K3 K3 K3 K3 K3 K7 K7 K7 K7 D1 F F F F F F F F F F F F F F F F F F F t<81ms TP1 CP3 Page 4 V.1.0 May 28,2002 SM5032C/D SAMHOP Microelectronics Corp. DECODER ABSOLUTE MAXIMUM RATINGS Parameter Supply Voltage Input Voltage Output Voltage Maximum Power Consumption Operating Temperature Storage Temperature Symbol Test Conditions VDD-Vss VI Vo Pa Topr Tstg VDD-Vss=5V Parameter -0.3 ~ 6 Vss - 0.3 ~ VDD + 0.3 Vss - 0.3 ~ VDD + 0.3 500 -10 ~ 70 -40 ~ 125 Unit V V V mW J J DC ELECTRICAL CHARACTERISTICS Parameter Supply Voltage Symbol Test Conditions Min. VDD VDD - Vss = 3 V OSC stop all output pins open OSC operation non-loading Limits Typ. 3 1 Max. 6 Unit V 2.2 Stand-by Current ISB g A 300 1.5 0.7 2.1 1 3.5 1.5 1 1 V V Input-high Level Input Low Level CP1 ~ CP8 Source Current CP1 ~ CP8 Sink Current VIH VIL IOH IOL VOH = +2.4V VOL = +0.8V mA mA Page 5 V.1.0 May 28,2002 SM5032C/D GND GND DOUT VDD VDD SAMHOP Microelectronics Corp. IR MODULE 10K[ Vss DI VDD OSC JP1 CP2 CP3 CP4 CP5 C2 CP8/TP1 CP7/TP2 JP2 1000P 43K[ CP6 APPLICATION CIRCUIT SM5032C/D Page 6 Q NPN CP1 C1 V.1.0 May 28,2002 DECODER |
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