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TCA9539QPWRQ1 Fiches technique(PDF) 4 Page - Texas Instruments |
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TCA9539QPWRQ1 Fiches technique(HTML) 4 Page - Texas Instruments |
4 / 41 page 4 TCA9539-Q1 SCPS254B – JANUARY 2014 – REVISED APRIL 2016 www.ti.com Product Folder Links: TCA9539-Q1 Submit Documentation Feedback Copyright © 2014–2016, Texas Instruments Incorporated Pin Functions (continued) PIN I/O DESCRIPTION NO. NAME 19 P16 I/O P-port input-output. Push-pull design structure. At power-on, P16 is configured as an input 20 P17 I/O P-port input-output. Push-pull design structure. At power-on, P17 is configured as an input 21 A0 I Address input. Connect directly to VCC or ground 22 SCL I Serial clock bus. Connect to VCC through a pull-up resistor 23 SDA I/O Serial data bus. Connect to VCC through a pull-up resistor 24 VCC — Supply voltage |
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