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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M38B53M4-059FP датащи(PDF) 141 Page - Mitsubishi Electric Semiconductor |
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M38B53M4-059FP датащи(HTML) 141 Page - Mitsubishi Electric Semiconductor |
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141 / 355 page  38B5 Group User’s Manual APPLICATION 2-53 2.3 Serial I/O (2) Transmission/Reception using automatic transfer Outline: Serial transmission/reception control is performed, using the serial automatic transfer function. Figure 2.3.25 shows a connection diagram, and Figure 2.3.26 shows a timing chart of serial data transmission/reception. P52/SCLK11 P51/SOUT1 P50/SIN1 38B5 group Sub microcomputer CLK IN OUT Fig. 2.3.25 Connection diagram Specifications: • Use of serial I/O1 using automatic transfer function • Synchronous clock frequency: 131 kHz (f(XIN) = 4.19 MHz is divided by 32.) • Transfer direction: LSB first • Transmission/reception byte number: 8 bytes/block each • Transfer interval for 1-byte: 244 µs (32 cycles of transfer clock) • Not use of serial I/O1 automatic transfer interrupt Figure 2.3.27 shows the relevant registers setting, and Figure 2.3.28 shows the control procedure. CLK 1 block OUT DO0 DO1 DO2 DO7 DO1 DO0 IN DI0 DI1 DI2 DI7 DI1 DI0 Block period is controlled by software. (Synchronize it with the main routine.) Fig. 2.3.26 Timing chart of serial data transmission/reception |
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