STMPE821 logic equivalent, 8-bit xpander logic.
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to 8 GPIOs to 8 touchkey capacitive touch inputs
Operating voltage 1.8.
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Description
The STMPE821 is a GPIO (general purpose input/output) port expander able to interface a m.
The STMPE821 is a GPIO (general purpose input/output) port expander able to interface a main digital ASIC via the two-line bidirectional bus (I2C). A separate GPIO expander is often used in mobile multimedia platforms to solve the problems of the lim.
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