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PCA9554APW Datasheet(PDF) 4 Page - NXP Semiconductors |
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PCA9554APW Datasheet(HTML) 4 Page - NXP Semiconductors |
4 / 35 page PCA9554_9554A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved. Product data sheet Rev. 9 — 19 March 2013 4 of 35 NXP Semiconductors PCA9554; PCA9554A 8-bit I2C-bus and SMBus I/O port with interrupt 4. Block diagram All I/Os are set to inputs at reset. Fig 1. Block diagram of PCA9554/PCA9554A PCA9554/PCA9554A POWER-ON RESET 002aac492 I2C-BUS/SMBus CONTROL INPUT FILTER SCL SDA VDD INPUT/ OUTPUT PORTS IO0 VSS 8-bit write pulse read pulse IO2 IO4 IO6 IO1 IO3 IO5 IO7 LP FILTER VDD INT A0 A1 A2 |
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