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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M38045F2HKP датащи(PDF) 185 Page - Renesas Technology Corp |
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M38045F2HKP датащи(HTML) 185 Page - Renesas Technology Corp |
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185 / 387 page  2-61 APPLICATION 2.4 Serial interface Rev.1.00 Jan 14, 2005 REJ09B0212-0100Z 3804 Group (Spec.H) 2.4.7 Serial I/O application examples (1) Communication using clock synchronous serial I/O (transmit/receive) Outline : 2-byte data is transmitted and received, using the clock synchronous serial I/O. The SRDY1 signal is used for communication control. Figure 2.4.19 shows a connection diagram, and Figure 2.4.20 shows a timing chart. Figure 2.4.21 shows a registers setting relevant to the transmitting side, and Figure 2.4.22 shows registers setting relevant to the receiving side. Fig. 2.4.19 Connection diagram Specifications : • Serial I/O is used (clock synchronous serial I/O is selected.) • Synchronous clock frequency : 125 kHz (f(XIN) = 4 MHz is divided by 32) • SRDY1 (receivable signal) is used. • The receiving side outputs SRDY1 signal at intervals of 2 ms (generated by timer), and 2-byte data is transferred from the transmitting side to the receiving side. Fig. 2.4.20 Timing chart (using clock synchronous serial I/O) P42 /INT1 SCLK1 TXD1 SRDY1 SCLK1 RXD1 Transmitting side Receiving side Note: Use SOUT2 and SIN2 instead of TxDi and RxDi for the serial I/O2. (i = 1, 3) 3804 group (Spec. H) 3804 group (Spec. H) SRDY1 SCLK1 TXD D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 2 ms .... .... .... |
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