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PCA9671PW Datasheet(PDF) 3 Page - NXP Semiconductors |
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PCA9671PW Datasheet(HTML) 3 Page - NXP Semiconductors |
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3 / 35 page  PCA9671 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved. Product data sheet Rev. 2 — 29 July 2010 3 of 35 NXP Semiconductors PCA9671 Remote 16-bit I/O expander for Fm+ I2C-bus with reset 5. Block diagram Fig 1. Block diagram of PCA9671 Fig 2. Simplified schematic diagram of P00 to P17 002aac244 RESET I2C-BUS CONTROL PCA9671 AD0 AD1 AD2 INPUT FILTER SHIFT REGISTER SDA SCL 16 BITS write pulse read pulse POWER-ON RESET VDD VSS I/O PORT P00 to P07 P10 to P17 002aab631 write pulse read pulse D CI S FF Q power-on reset data from Shift Register Itrt(pu) 100 μA IOH IOL VDD P00 to P07 P10 to P17 VSS D CI S FF Q data to Shift Register to interrupt logic |
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