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TCA9555RTWR Fiches technique(PDF) 3 Page - Texas Instruments |
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TCA9555RTWR Fiches technique(HTML) 3 Page - Texas Instruments |
3 / 32 page TCA9555 www.ti.com .............................................................................................................................................................. SCPS200A – JULY 2009 – REVISED JULY 2009 TERMINAL FUNCTIONS NO. NAME DESCRIPTION TSSOP (PW) QFN (RTW) 1 22 INT Interrupt output. Connect to VCC through a pullup resistor. 2 23 A1 Address input 1. Connect directly to VCC or ground. 3 24 A2 Address input 2. Connect directly to VCC or ground. P-port input/output. Push-pull design structure. At power on, P00 is 4 1 P00 configured as an input. P-port input/output. Push-pull design structure. At power on, P01 is 5 2 P01 configured as an input. P-port input/output. Push-pull design structure. At power on, P02 is 6 3 P02 configured as an input. P-port input/output. Push-pull design structure. At power on, P03 is 7 4 P03 configured as an input. P-port input/output. Push-pull design structure. At power on, P04 is 8 5 P04 configured as an input. P-port input/output. Push-pull design structure. At power on, P05 is 9 6 P05 configured as an input. P-port input/output. Push-pull design structure. At power on, P06 is 10 7 P06 configured as an input. P-port input/output. Push-pull design structure. At power on, P07 is 11 8 P07 configured as an input. 12 9 GND Ground P-port input/output. Push-pull design structure. At power on, P10 is 13 10 P10 configured as an input. P-port input/output. Push-pull design structure. At power on, P11 is 14 11 P11 configured as an input. P-port input/output. Push-pull design structure. At power on, P12 is 15 12 P12 configured as an input. P-port input/output. Push-pull design structure. At power on, P13 is 16 13 P13 configured as an input. P-port input/output. Push-pull design structure. At power on, P14 is 17 14 P14 configured as an input. P-port input/output. Push-pull design structure. At power on, P15 is 18 15 P15 configured as an input. P-port input/output. Push-pull design structure. At power on, P16 is 19 16 P16 configured as an input. P-port input/output. Push-pull design structure. At power on, P17 is 20 17 P17 configured as an input. 21 18 A0 Address input 0. Connect directly to VCC or ground. 22 19 SCL Serial clock bus. Connect to VCC through a pullup resistor. 23 20 SDA Serial data bus. Connect to VCC through a pullup resistor. 24 21 VCC Supply voltage Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TCA9555 |
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