ADP5588 expander equivalent, keypad i/o expander.
18-GPIO port expander or 10 × 8 keypad matrix GPIOs configurable to GPIs, GPOs, and keypad rows or
columns Dual light sensor inputs (C8 and C9) I2C interface I2C register.
Keypad and I/O expander designed for QWERTY type phones that require a large keypad matrix
GENERAL DESCRIPTION
The ADP55.
The ADP5588 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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