SM5172-L3 SM, SM5172-L3 Datasheet
SM5172-L3
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SM5172-L3 Summary of contents
Page 1
... S H Microelectronics Corp GENERAL DESCRIPTION SM5172 is a remote control decoder paired with SM5162 utilizing CMOS Technology. It has 12-bit tri-state address pins providing a 12 maximum of 531,411 (or 3 thereby, drastically reducing any code collision and unauthorized code scanning possibilities ...
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... SM5172-M2/ Vcc OSC1 4 15 OSC2 5 14 DIN SM5172-M4/ Vcc OSC1 4 15 OSC2 5 14 DIN SM5172M6/L6 OCT. 2001 ...
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... SM5172S-M2/ Vcc OSC1 4 17 OSC2 5 16 DIN SM5172S-M4/ Vcc OSC1 4 17 OSC2 5 16 DIN SM5172S-M6/L6 OCT. 2001 ...
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... POWER Negative power supply Address input or data output Receive from Rf module. I Resistor connected between these two pins determine the system clock Valid transmission indication. POWER Positive power supply. Page 4 SM5172 ENCODER Function OCT. 2001 ...
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... Code Word A group of Code Bits is called a code Word. A Code Word consists of 12 Address plus Data bits followed by one Sync Bit. The 12 AD bits are interpreted as either address or data bits depending on the SM5172 version used. Please refer to the diagrams below: SM5172 A0 A1 ...
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... After Power On SM5172 enters the Search Address mode, if SM5172 finds 2 consecutive Address that matches the Address Pin setting of SM5172 then it will set VT high set high, SM5172 is still in search Address. After 2 consecutive Address that do not match the setting on SM5172, SM5172 will disable VT. ...
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... After Power On SM5172 enters the Search Address mode, if SM5172 finds 2 consecutive Address that matches the Address Pin setting of SM5172, it will set VT high set high, SM5172 is still in search Address. After 2 consecutive Address that do not match the setting on SM5172, SM5172 will disable VT. ...
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... Address that matches the Address setting of SM5172. SM5172 will enter Data Compare mod. It will compare previously 2 received data, if they match then SM5172 will set VT high and send data O/ P. SM5172 re-enters Address search mode, after 2 consecutive Address that do not match momentary's data but keep Latch's data intact ...
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... S H Microelectronics Corp Single Resistor Oscillator SM5172's oscillator be constructed by connecting a resistor between OSC1 and OSC2 pin. SM5172's OSC frequency must be 1.8 to 5.8 times more than SM5162. Encoder OSC Frequency KHz Dncoder OSC Frequency 300 250 ...
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... OSC stop STB A0 ~ A11 open Vcc = Vcc = 6.4V OH Vcc = 12V V = 9.6V OH Vcc = Vcc = 1.6V OH Vcc = 12V V = 2.4V OH Page 10 SM5172 ENCODER Limit Unit Min. Typ. Max μ A 0. OCT. 2001 ...
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... S H Microelectronics Corp APPLICATION CIRCUIT RF Receiver ROSC A2 OSC1 A3 OSC2 A4 DIN A5 A11 A6 A10 A7 A9 Vss A8 SM5172 Page 11 SM5172 ENCODER VT OCT. 2001 ...
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... S H Microelectronics Corp ORDERING INFORMATION Part No. Package SM5172 18 Pin DIP SM5172 xxx xx Page 12 SM5172 ENCODER Part No. Package SM5172S 20 Pin SOP Logo Product No. Empty: DIP TYPE S: SO Package M:Momentary type ...