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PCA9534A Datasheet(PDF) 22 Page - Texas Instruments |
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PCA9534A Datasheet(HTML) 22 Page - Texas Instruments |
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22 / 39 page  A2 A1 A0 SDA SCL INT GND GND P6 P0 P1 P2 P3 P4 P5 P7 INT GND VCC VCC (5 V) VCC 10 k 10 k 10 k 10 k 2 k 100 k ( 3) X 100 k 4.7 k Master Controller PCA9534A INT RESET Subsystem 2 (e.g., Counter) Subsystem 3 (e.g., Alarm System) ALARM Controlled Device (e.g., CBT Device) ENABLE A B Subsystem 1 (e.g., Temperature Sensor) SCL SDA PCA9534A SCPS141F – SEPTEMBER 2006 – REVISED JUNE 2010 www.ti.com APPLICATION INFORMATION Figure 14 shows an application in which the PCA9534A can be used. A. Device address is configured as 0111100 for this example. B. P0, P2, and P3 are configured as outputs. C. P1, P4, and P5 are configured as inputs. D. P6 and P7 are not used and must be configured as outputs. Figure 14. Typical Application 22 Submit Documentation Feedback Copyright © 2006–2010, Texas Instruments Incorporated Product Folder Link(s): PCA9534A |
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