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PCA9534 Datasheet(PDF) 3 Page - NXP Semiconductors |
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PCA9534 Datasheet(HTML) 3 Page - NXP Semiconductors |
3 / 17 page Philips Semiconductors Product data sheet PCA9534 8-bit I2C and SMBus low power I/O port with interrupt 2004 Sep 30 3 PIN CONFIGURATION — SO, TSSOP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 su01410 A0 A1 A2 I/O0 I/O1 I/O2 I/O3 VSS VDD SDA SCL INT I/O7 I/O6 I/O5 I/O4 Figure 1. Pin configuration — SO, TSSOP PIN CONFIGURATION — HVQFN 12 11 10 9 1 2 3 4 su01670 TOP VIEW A2 I/O0 I/O1 I/O2 I/O3 I/O4 VSS I/O5 INT I/O6 I/O7 SDA VDD A0 A1 SCL Figure 2. Pin Configuration — HVQFN PIN DESCRIPTION PIN NUMBER SYMBOL FUNCTION SO, TSSOP HVQFN SYMBOL FUNCTION 1 15 A0 Address input 0 2 16 A1 Address input 1 3 1 A2 Address input 2 4–7 2–5 I/O0 to I/O3 I/O0 to I/O3 8 6 VSS Supply ground 9–12 7–10 I/O4 to I/O7 I/O4 to I/O7 13 11 INT Interrupt output (open drain) 14 12 SCL Serial clock line 15 13 SDA Serial data line 16 14 VDD Supply voltage BLOCK DIAGRAM POWER-ON RESET INPUT FILTER I2C/SMBUS CONTROL INPUT/ OUTPUT PORTS WRITE pulse READ pulse A0 A1 A2 SCL SDA VDD VSS 8-BIT I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 SU01783 NOTE: ALL I/Os ARE SET TO INPUTS AT RESET VCC INT LP FILTER PCA9534 Figure 3. Block diagram |
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