General Description
The MAX7370 I2C-interfaced peripheral provides microprocessors with management of up to 64 key switches,
with optional GPIO and PWM-controlled LED drivers.

FEATUREs
MonitorUp to 64 Keys
Integrated High-ESD Protection
    ±8kV IEC 61000-4-2 Contact Discharge
    ±14kV IEC 61000-4-2 Air-Gap Discharge
Keyscan UseStatic Matrix Monitoring for Low-EMI Operation
Four LED Driver Pinon COL7?COL4
5V Tolerant, Open-Drain I/O PortCapable of Constant-Current LED Drive
256-Step PWM Individual LED Intensity-Control Accuracy
Individual LED Blink Rateand Common LED
    Fade In/Out Ratefrom 256mto 4096ms
FIFO QueueUp to 16 Debounced Key Events
User-Configurable Keypresand Release
    Debounce Time (2mto 32ms)
Key-Switch Interrupt (INT) on Each Debounced
    Event/FIFO Level, or End-of-Definable Time Period
1.62V to 3.6V Operating Supply Voltage
Individually Programmable GPIOto Two Logic Levels
8-Channel Individual Programmable Level Translators
ProvideOptional GPIOon all ROW_ and COL_ Pins
SupportHot Insertion
400kbps, 5.5V Tolerant I2C Serial Interface with Selectable Bus Timeout

APPLICATIONs
Cell Phones
Notebooks
PDAs
Handheld Games
Portable Consumer Electronics