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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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STE2004S 数据表(PDF) 39 Page - STMicroelectronics |
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STE2004S 数据表(HTML) 39 Page - STMicroelectronics |
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39 / 79 page  STE2004S Bus interfaces 39/79 It is possible to short circuit SDOUT and SDIN, and read the I2C address or status byte without any additional line. Figure 41. 3-lines serial bus protocol - one byte transmission Figure 42. 3-lines serial bus protocol - several byte transmission Figure 43. 3-lines serial interface protocol in Reading Mode MSB SD/C CS SDIN SCLK LR0073 LSB DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 D/C CS SDIN SCLK LR0074 D/C DB7 DB6 D/C DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 CS SDIN SCLK High-Z DB1 DB0 High-Z Don't Care Don't Care Don't Care Don't Care Don't Care Don't Care Don't Care Command Write DATA Read DB7 DB6 DB5 DB4 DB3 DB2 SD/C SDOUT High-Z DB1 DB0 High-Z DB7 DB6 DB5 DB4 DB3 DB2 ID-Number STATUS BYTE Don't Care LR0075 DB7 SD/C |
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