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STMPE16M31PX 数据表(PDF) 8 Page - STMicroelectronics |
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STMPE16M31PX 数据表(HTML) 8 Page - STMicroelectronics |
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8 / 75 page  Pin assignment STMPE16M31PX 8/75 Doc ID 17058 Rev 2 1.1 Power scheme The STMPE16M31PX is powered by a 2.7- 5.5 V supply. An internal voltage regulator regulates this supply into 1.8 V for core operation. It is recommended to connect a 1 µF capacitor at VCC pin for filtering purpose. The VIO powers all GPIOs directly, if any LED driving is required on the GPIO, the VIO should be at least 3.3 V. Figure 4. Power supply scheme 1.2 Power states The STMPE16M31PX operate in 3 states. Table 4 illustrates the capability of the device in each of the power states. AM04129V2 STMPE16M31PX VIO VCC GND 2.7 - 5.5 V 1 μF Table 4. Functions available in each power state Hibernate Sleep Active I2C Yes Yes Yes GPIO hotkey Yes Yes Yes PWM No Yes Yes Capacitive sensing No Slow Yes Proximity sensor No No Yes Obsolete Product(s) - Obsolete Product(s) |
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