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SIM800L 数据表(PDF) 43 Page - SIMCom |
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SIM800L 数据表(HTML) 43 Page - SIMCom |
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43 / 73 page ![]() Smart Machine Smart Decision 4.9.2. PCM Interface Refer to the following figure for PCM design: Figure 37: PCM reference circuit 4.9.3. LCD Display/SPI Interface SIM800H&SIM800L provides a serial interface. It could be used as SPI interface in the embedded AT application. SIM800H&SIM800L_Hardware Design_V2.02 43 2015-07-27 Module LCD GND GND SPI_DATA DISP_CS DISP_RST DISP_D/C DISP_CLK DISP_DATA SPI_CS SPI_RST SPI_D/C SPI_CLK Figure 38: LCD reference circuit 4.9.4. SD Card Interface Figure 39: SD reference circuit |
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