STEVAL-LLL001V1 STMicroelectronics

S T E VA L - L L L 0 0 1 V 1 STLED524 evaluation kit (5 x 24 matrix LED display driver) Data brief Description The STEVAL-LLL001V1 board is designed to demonstrate the features of the STLED524 intelligent matrix LED display driver with a 5 x 24 matrix of SMD white LEDs incorporated on the board. Two boards can also be joined using the on- board connectors to drive a 10 x 24 LED matrix. The board is driven by the USB control board for interface with the graphical user interface (GUI), Features but there is also an SPI interface connector on Operating input voltage from 2.7 V to 5.5 V the STEVAL-LLL001V1 which can be used for Drives 5 x 24 LED matrix customized control. Luminance separately adjustable for each LED by internal registers in 255 steps Internal registers capable of storing two patterns 4-way scroll function with a possibility to lock column data 255-step PWM dimming SPI interface Integrated step-up converter with adjustable output voltage Integrated LDO with 3.1 V output at 80 mA CSP 56 bumps 0.4 mm pitch 3.4 x 3.0 mm RoHS compliant November 2016 DocID029803 Rev 2 1/5 www.st.com For further information contact your local STMicroelectronics sales office Schematic diagrams STEVAL-LLL001V1 1 Schematic diagrams Figure 1: STEVAL-LLL001V1 circuit schematic (1 of 2) GSPG2809161515SG 2/5 DocID029803 Rev 2