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MCP47CMB02 数据表(PDF) 77 Page - Microchip Technology |
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MCP47CMB02 数据表(HTML) 77 Page - Microchip Technology |
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77 / 124 page ![]() 2018-2019 Microchip Technology Inc. DS20006089B-page 77 MCP47CXBXX FIGURE 7-3: Continuous Write Commands (Volatile Memory Only). Note 1: The Acknowledge bit is generated by the MCP47CXBXX. 2: At the falling edge of the SCL pin for the write command ACK bit, the MCP47CXBXX device updates the value of the specified device register. 3: This command sequence does not need to terminate (using the Stop bit) and the write command can be repeated (see continuous write format, Section 7.5.4 “Continuous Writes to Volatile Memory”). 4: Only functions when writing to Volatile registers (AD4:AD0 = 00h through 0Ah). D 15 D 14 D 13 D 12 D 11 D 10 D 09 D 08 D 07 D 06 D 05 D 04 D 03 D 02 D 01 D 00 A A Data to Write MSB Data to Write LSB D 15 D 14 D 13 D 12 D 11 D 10 D 09 D 08 D 07 D 06 D 05 D 04 D 03 D 02 D 01 D 00 A A Data to Write MSB Data to Write LSB D 15 D 14 D 13 D 12 D 11 D 10 D 09 D 08 D 07 D 06 D 05 D 04 D 03 D 02 D 01 D 00 A A Data to Write MSB Data to Write LSB AD 4 AD 3 AD 2 AD 1 AD 0 0 0 x A Write Command P AD 4 AD 3 AD 2 AD 1 AD 0 0 0 x A Write Command SA 6 S SA 5 SA 4 SA 3 SA 2 SA 1 SA 0 0 A AD 4 AD 3 AD 2 AD 1 AD 0 0 0 x A Control Byte Write Command Memory Address I2C ACK Bit (1) 0 AD n A P S x SA n 0 0 I2C Start Bit I2C Slave Address I2C Write Bit Write Command Reserved, should be Set to ‘0’ I2C Stop Bit(3) D nn Register Data (to be written) (2) Legend: |
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