Hardware
7
SLAU599A – August 2015 – Revised March 2017
Copyright © 2015–2017, Texas Instruments Incorporated
BOOSTXL-EDUMKII Educational BoosterPack™ Plug-in Module Mark II
2.1.6
RGB Multicolor LED
The Cree CLV1A-FKB RGB multicolor LED light output can make any color by mixing red, green, and
blue. Each color channel can be individually modified by pulse width modulation (PWM) to achieve the
desired color. The reference designator for the RGB LED is D1.
More information on the RGB multicolor LED can be found at
http://www.cree.com/LED-Components-and-
Modules/Products/High-Brightness/SMD-Color/SMD-Full-Color
(1)
Pin is multiplexed with the LCD backlight pin through the jumper
header J5.
Table 5. RGB LED Pinout
BoosterPack Plug-in Module
Header Connection
Pin Function
J4.37
Blue channel
J4.38
Green channel
J4.39
(1)
Red channel
2.1.7
Piezo Buzzer
The CUI CEM-1203(42) piezo buzzer can play various frequencies based on the user-provided PWM
signal. You can even play different tones back to back to create a song. The reference designator for the
piezo buzzer is BUZ1.
More information on the piezo buzzer can be found at
http://www.cui.com/product/components/buzzers/audio-transducers/magnetic/cem-1203(42)
.
Table 6. Piezo Buzzer Pinout
BoosterPack Plug-in Module
Header Connection
Pin Function
J4.40
Buzzer input
2.1.8
Color 128x128-Pixel TFT LCD Display
The Crystalfontz CFAF128128B-0145T color 128x128-pixel TFT LCD supports display updates up to 20
frames per second (FPS) while only requiring a few lines to control the TFT LCD module through the SPI
interface. This module has a color depth of 262K colors and a contrast ratio of 350. The reference
designator for the color LCD is LCD1.
More information on the color LCD can be found at
https://www.crystalfontz.com/product/cfaf128128b0145t-graphical-tft-128x128-lcd-display-module
.
(1)
Pin is multiplexed with the RGB LED red channel pin through the
jumper header J5.
Table 7. Color LCD Pinout
BoosterPack Plug-in Module
Header Connection
Pin Function
J1.7
LCD SPI clock
J2.13
LCD SPI chip select
J2.15
LCD SPI MOSI
J4.31
LCD reset pin
J4.39
(1)
LCD backlight