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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M24C64P-FCU датащи(PDF) 13 Page - STMicroelectronics |
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M24C64P-FCU датащи(HTML) 13 Page - STMicroelectronics |
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13 / 36 page  DocID030474 Rev 1 13/36 M24C64P-FCU Device operation 35 4.5 Device addressing To start communication between the bus master and the slave device, the bus master must initiate a Start condition. Following this, the bus master sends the device select code, shown in Table 3 (on Serial Data (SDA), most significant bit first). The 8th bit is the Read/Write bit (RW). This bit is set to 1 for Read and 0 for Write operations. If a match occurs on the device select code, the corresponding device gives an acknowledgment on Serial Data (SDA) during the 9th bit time. If the device does not match the device select code, the device deselects itself from the bus, and goes into Standby mode (therefore will not acknowledge the device select code). Table 3. Device select code Device type identifier(1) 1. The most significant bit, b7, is sent first. Chip Enable address RW b7 b6 b5 b4 b3 b2 b1 b0 101 0011 RW |
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