GreenPAK brings a wide range of integrated benefits to Liquid Crystal Displays (LCD) which are widely used for commercial and industrial applications because of their good visual properties, low cost, and low power consumption. These properties make the LCD the standard solution for battery-operated devices, like portable instruments, calculators, watches, radios, etc.
Unique combination of the most prevalent functions in small LCD equipped devices
Moreover, such devices have an unmatched small PCB footprint and can be built on any GreenPAK IC with an I2C interface.
LCD’s common and segment signals are synchronized in time by the internal oscillator. The Common signals are generated using the DFF chain and require external resistors to output three voltage levels. Segment signals are generated by cycling through the I2C configurable ASM.
LCD Drive
In addition to driving the LCD, system monitor functionalities such as watchdog timer, long-button press reset, and 8-byte RAM storage are available on the same chip. According to the application, the user can configure timings for the watchdog timer and long-button press reset.
Hardware Reset and Watchdog Timer
SLG46537V/M-GreenPAK 5 device can integrate LCD driving along with system monitoring functionalities such as a watchdog timer, a long-button press reset, and 8-byte RAM storage into the same chip.