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STV-376-E01 bảng dữ liệu(PDF) 9 Page - STMicroelectronics |
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STV-376-E01 bảng dữ liệu(HTML) 9 Page - STMicroelectronics |
9 / 30 page VT5376 Interface 9/30 4 Interface The interface is 400 kHz I2C, with very fast polling rate for high CPI applications (down to 1 ms period). 4.1 Protocol Figure 3. Serial interface data transfer protocol 4.2 Data format Information is packed in 8-bit packets (bytes) always followed by an acknowledge bit. The internal data is produced by sampling sda at a rising edge of scl. The external data must be stable during the high period of scl. The exceptions to this are start (S) or stop (P) conditions when sda falls or rises respectively, while scl is high. The first byte contains the device address byte which includes the data direction read, (r), ~write, (~w), bit. Figure 4. VT5376 serial interface address The byte following the address byte contains the address of the first data byte (also referred to as the index). 12 7 8 A Start condition Stop condition SDA SCL Acknowledge P S 3 4 56 Address or data byte MSB LSB 001 00 00 R/W |
Số phần tương tự - STV-376-E01 |
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Mô tả tương tự - STV-376-E01 |
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