PCF8531 34 X 128 Pixel Matrix Driver

The PCF8531 is a low power CMOS LCD row/column driver, designed to drive dot matrix graphic Displays at multiplex rates of 1 : 17, 1 : 26 and 1 : 34. Furthermore, it CAN drive up to 128 icons. All necessary functions for the Display are provided in a single chip, including on-chip generation of VLCD and the LCD bias voltages, resulting in a minimum of external components and low power consumption. The PCF8531 is compatible with most Microcontrollers and communicates via a two-line bidirectional bus (IC-bus). All inputs are CMOS compatible. Remark: The icon mode is used to save current. When only icons are displayed, a much lower operating voltage (VLCD) CAN be used and the switching frequency of the LCD outputs is reduced. In most applications it is possible to use VDD as VLCD.
By NXP Semiconductors
PCF8531 's PackagesPCF8531 's pdf datasheet
PCF8531U-2-F1




PCF8531 Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
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