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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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LSM330 数据表(PDF) 37 Page - STMicroelectronics |
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LSM330 数据表(HTML) 37 Page - STMicroelectronics |
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37 / 75 page  DocID023426 Rev 3 37/75 LSM330 Digital interfaces 75 6.2.2 SPI write Figure 18. SPI write protocol Note: Data on CS, SPC, SDI and SDO refer to pins: CS_A, CS_G, SCL_A/G, SDA_A/G, SDO_A / SDO_G. The SPI write command is performed with 16 clock pulses. A multiple-byte write command is performed by adding blocks of 8 clock pulses to the previous one. bit 0: WRITE bit. The value is 0. bit 1: MS bit. When 0, does not increment the address; when 1, increments the address in multiple writes. bit 2 -7: address AD(5:0). This is the address field of the indexed register. bit 8-15: data DI(7:0) (Write mode). This is the data that will be written to the device (MSb first). bit 16-... : data DI(...-8). Further data in multiple-byte writes. Figure 19. Multiple byte SPI write protocol (2-byte example) CS SPC SDI RW D I7D I6 D I5D I4 DI3DI2 DI1DI0 AD5 AD 4 AD 3 AD2 AD 1 AD0 MS AM10132V1 CS SPC SDI RW AD5 AD4 AD3 AD2 AD1 AD 0 DI7 D I6 DI5 D I4 DI3 DI2 DI1 DI0 DI15 D I1 4DI13 D I1 2DI11 DI10 DI9 DI8 MS AM10133V1 |
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