ADP5587 controller equivalent, mobile i/o expander and qwerty keypad controller.
18-GPIO port expander or 10 × 8 keypad matrix GPIOs configurable as GPIs, GPOs, and keypad rows or
columns I2C interface with auto-increment 1.65 V to 3.6 V operation Key.
Keypad and I/O expander designed for QWERTY type phones that require a large keypad matrix
GENERAL DESCRIPTION
The ADP55.
The ADP5587 is an I/O port expander and keypad matrix designed for QWERTY type phones that require a large keypad matrix and expanded I/O lines. I/O expander ICs are used in mobile platforms as a solution to the limited number of GPIOs available in t.
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