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SC50560 Datasheet(PDF) 3 Page - Silan Microelectronics Joint-stock |
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SC50560 Datasheet(HTML) 3 Page - Silan Microelectronics Joint-stock |
3 / 15 page Silan Semiconductors SC50560 HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD Rev: 2.3 2002-03-21 3 PIN DESCRIPTION Pin No. Pin Name Input/output Description 1VSS -- Negative Power Supply 2 TEST I Test Pin. This pin is normally connected to VSS. 3 SEL I Select Pin for SC50560-001/003. 4 OSCI I Oscillation Input Pin 5 OSCO O Oscillation Output Pin 6 CS I Code Select Pin 7~10 KIO0~KIO3 I/O Input/Output Pins 18~11 KO0~KO7 O Scan Output Pins 19 Dout O Output Pin 20 VDD -- Positive Power Supply FUNCTIONAL DESCRIPTION SC50560 is capable of transmitting up to 256 different instructions and 8 bits custom codes using a 16-bit PCM Code with a leader code. Furthermore, oscillation is normally stopped when there is no operating, thereby, lower power dissipation. 1. TRANSMISSION CODE SC50560 transmission code consists of a leader code, 8 bits custom code (C0 to C7) followed by a sync. bit and 8 bits data code (D0 to D7) followed another sync. bit. The custom and the data codes are separated by a separator. Please refer to the diagram below: C1 C2 C3 C5 C4 C6 Leader Pulse 8 Bits Custom Code C7 SYNC D0 D1 D2 D3 D4 D5 D6 D7 SYNC Sync. Bit 8 Bits Data Code Sync. Bit Seperator Figure 1. SC50560 Transmission Code Format One transmission Code Word consists of a 19-bit pulse (that is the leader pulse plus the 16 bits code) and the separator. It is transferred in a 63.4ms for as long as the key is depressed. Please refer to the diagram below: C0 SEPARATOR 8.4ms 4.2ms ONE CODE WORD 63.4ms 4.2ms 8BITS CUSTOM CODE LEADER CODE 8BITSDATACODE C1 C2 C3 C4 C5 C6 C7 SYNC D0 D1 D2 D3 D4 D5 D6 D7 SYNC Figure 2. SC50560 Detailed Code Word Format |
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