STMPE321 controller equivalent, 3-channel capacitive touch key controller.
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Up to 3 GPIOs Up to 3 capacitive touch key inputs Operating voltage 1.65 - 1.95 V Internal .
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Mobile phones and smartphones Portable media players Game consoles
Table 1.
Device summary
Order co.
The STMPE321 is a 3-channel capacitive touch key controller. Capacitance measurement is implemented in fully optimized hardware. All 3 I/Os can be configured via an I2C bus to function as either capacitive touch key, or as GPIOs (general purpose I/O).
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