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PCA9554DB Datasheet(PDF) 3 Page - NXP Semiconductors |
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PCA9554DB Datasheet(HTML) 3 Page - NXP Semiconductors |
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3 / 30 page  PCA9554_9554A_7 © NXP B.V. 2006. All rights reserved. Product data sheet Rev. 07 — 13 November 2006 3 of 30 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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