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PCA9555 Datasheet(PDF) 4 Page - Texas Instruments |
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PCA9555 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 35 page www.ti.com 22 I/O Port P17−P10 Shift Register 16 Bits LP Filter Interrupt Logic Input Filter 23 Power-On Reset Read Pulse Write Pulse PCA9555 3 2 21 1 24 12 GND VCC SDA SCL A2 A1 A0 INT I2C Bus Control P07−P00 PCA9555 REMOTE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS SCPS131D – AUGUST 2005 – REVISED OCTOBER 2006 LOGIC DIAGRAM (POSITIVE LOGIC) A. Pin numbers shown are for DB, DBQ, DGV, DW, and PW packages. B. All I/Os are set to inputs at reset. 4 Submit Documentation Feedback |
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