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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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ES9039MSPRO 数据表(PDF) 36 Page - ESS Technology,Inc |
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ES9039MSPRO 数据表(HTML) 36 Page - ESS Technology,Inc |
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36 / 95 page  ES9039MPRO & ES9039PRO Product Brief CONFIDENTIAL ADVANCE INFORMATION 0.2.1 ESS TECHNOLOGY, INC. 109 Bonaventura Drive, San Jose, CA 95134, USA Tel (408) 643-8800 • WWW.ESSTECH.COM 36 SPI Slave Interface The SPI slave interface is used when the MODE pin (pin 23) is pulled high. • The SPI Slave interface can be accessed using the Pins 21,16,30,31 • Pin 21 MOSI • Pin 22 SCLK • Pin 40 SS • Pin 41 MISO The 4-wire SPI data format is: Command (1 byte) + Address (1 byte) + Data SS SCLK MISO MOSI Single byte Write Hig h Z 0 8 16 C7 C6 C5 C4 C3 C2 C1 C0 A7 A6 A5 A4 A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 Figure 9 – SPI single byte write D4 D7 SS SCLK MISO MOSI Single byte Read Hig h Z 0 8 16 C7 C6 C5 C4 C3 C2 C1 C0 A7 A6 A5 A4 A3 A2 A1 A0 D6 D5 D3 D2 D1 D0 Figure 10 – SPI single byte Read D4 D7 SS SCLK MISO MOSI Multi-byte Read High Z 0 8 16 C7 C6 C5 C4 C3 C2 C1 C0 A7 A6 A5 A4 A3 A2 A1 A0 D6 D5 D3 D2 D1 D0 24 D4 D7 D6 D5 D3 D2 D1 D0 Byte 1 Byte 2 Figure 11 – SPI multi-byte read |
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