User manual

Basys MX3™ Board Reference Manual
Copyright Digilent, Inc. All rights reserved.
Other product and company names mentioned may be trademarks of their respective owners.
Page 2 of 56
5 User Buttons ................................................................................................................ 16
5.1 Connectivity .................................................................................................................... 17
5.2 Functionality ................................................................................................................... 17
5.3 Shared Pins ..................................................................................................................... 18
6 RGB LED ....................................................................................................................... 18
6.1 Connectivity .................................................................................................................... 19
6.2 Functionality ................................................................................................................... 19
6.2.1 RGB LED Implemented Using PWM ........................................................................ 19
6.2.2 RGB LED Implemented Using PDM ......................................................................... 20
7 Seven-segment Display ................................................................................................ 20
7.1 Connectivity .................................................................................................................... 22
7.2 Functionality ................................................................................................................... 23
8 LCD Module ................................................................................................................. 24
8.1 Connectivity .................................................................................................................... 25
8.2 Functionality ................................................................................................................... 26
9 I
2
C Interface ................................................................................................................. 27
10 Accelerometer ............................................................................................................. 28
10.1 Connectivity ................................................................................................................ 28
10.2 Functionality ............................................................................................................... 28
10.3 Shared Pins ................................................................................................................. 29
11 Serial Peripheral Interface ............................................................................................ 29
11.1 SPI1 ............................................................................................................................. 29
11.2 SPI2 ............................................................................................................................. 29
12 Flash Memory .............................................................................................................. 30
12.1 Connectivity ................................................................................................................ 30