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PCF8575DBQRE4 Datasheet(PDF) 6 Page - Texas Instruments |
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PCF8575DBQRE4 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 32 page www.ti.com SDA SCL Data Line Stable; Data Valid Change of Data Allowed Data Output by Transmitter SCL from Master Start Condition S 1 2 8 9 Data Output by Receiver Clock Pulse for Acknowledgment NACK ACK PCF8575 REMOTE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT SCPS121D – JANUARY 2005 – REVISED APRIL 2007 Figure 2. Bit Transfer Figure 3. Acknowledgment on I2C Bus Interface Definition BIT BYTE 7 (MSB) 6 5 4 3 2 1 0 (LSB) I2C slave address L H L L A2 A1 A0 R/W P0x I/O data bus P07 P06 P05 P04 P03 P02 P01 P00 P1x I/O data bus P17 P16 P15 P14 P13 P12 P11 P10 6 Submit Documentation Feedback |
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