ADP5589

Data Sheet Keypad Decoder and I/O Expansion ADP5589 FEATURES 16-element FIFO for event recording 19 configurable I/Os allowing functions such as Keypad decoding for matrix up to 11 × 8 Key press/release interrupts Key pad lock/unlock GPIO functions GPI with selectable interrupt level 100 kΩ or 300 kΩ pull-up resistors 300 kΩ pull-down resistors GPO with push-pull or open drain Dual programmable logic blocks PWM generator Internal PWM generation External PWM with internal PWM AND function Clock divider Reset generators I2C interface with fast-mode plus (Fm+) support up to 1 MHz Open-drain interrupt output 24-lead LFCSP 3.5 mm × 3.5 mm 25-ball WLCSP 1.99 mm × 1.99 mm APPLICATIONS Devices requiring keypad entry and I/O expansion capabilities FUNCTIONAL BLOCK DIAGRAM VDD GND RST SDA SCL ADP5589 UVLO POR OSCILLATOR I2C INTERFACE R0 R1 R2 R3 R4 R5 R6 R7 C0 I/O C1 CONFIG C2 C3 C4 C5 C6 C7 C8 C9 C10 KEY SCAN AND DECODE GPI SCAN AND DECODE LOGIC 1 LOGIC 2 CLK DIV PWM RESET...