See datasheet for actual packaging/pinout drawings

Package | PIN:

YFQ | 25


S (-30 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

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LM8330TME/NOPB-I2C-Compatible Keypad Controller with GPIO, PWM, and IEC61000 ESD Protection

The LM8330 I/O - Expander and Keypad Controller is a dedicated device designed to unburden a host processor from scanning a matrix-addressed keypad and to provide flexible and general purpose, host programmable input/output functions. Three independent Pulse Width Modulation (PWM) timer outputs are provided for dynamic LED brightness modulation.

It communicates with a host processor through an I2C-compatible ACCESS.bus serial interface. It can communicate in Standard (100 kHz) and Fast-Mode (400 kHz) in slave Mode only.

All available input/output pins can alternately be used as an input or an output in a keypad matrix or as a host-programmable general-purpose input or output.

Any pin programmed as an input can also sense hardware interrupts. The interrupt polarity (“high-to-low” or “low-to-high” transition) is thereby programmable.

The LM8330 follows a predefined register-based set of commands. Upon startup (power-on) a configuration file must be sent from the host to set up the hardware of the device.

The LM8330 is available in a 25-bump lead-free DSBGA package size 2.0 mm x 2.0 mm x 0.6 mm (0.4 mm pitch).

The LM8330 has integrated ASIP (Application Specific Integrated Passives) on the KPX[7:0] and KPY[10:0] pins. These pins are designed to tolerate IEC61000-4-2 level 4 ESD: ±8 kV direct contact.

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