Description
Device Pin Assignment
Table 1 shows the pin assignment for the MPR03X.For a more detailed description of the functionality of each pin, refer to the appropriate chapter.Table 1. Device Pin Assignment
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Pin 1 2 3 4 5 6 7 8
Name SCL SDA VSS VDD REXT ELE0 ELE1 IRQ/ELE2 I C Serial Clock Input I2C Serial Data I/O Ground Positive Supply Voltage
2
Function
Reference Resistor Connect a 75 kΩ ±1% resistor from REXT to VSS Electrode 0 Electrode 1 Interrupt Output or Touch Electrod
Features
- 8 µA supply current with two electrodes being monitored with 64 ms response time and IRQ enabled Compact 2 x 2 x 0.65 mm 8-lead µDFN package Supports up to 3 touch pads Only one external component needed Intelligent touch detection capacity 4 µA maximum shutdown current 1.71 V to 2.75 V operation Threshold based detect.