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Freescale Semiconductor, Inc
FRDM-K20D50MUM
Page 2 of 17
Table of Contents
1
FRDM-K20D50M Overview .................................................................................................................. 3
2
References documents .......................................................................................................................... 4
3
Getting started .......................................................................................................................................... 4
4
FRDM-K20D50M Hardware Overview ............................................................................................. 4
5
FRDM-K20D50M Hardware Description ......................................................................................... 7
5.1.1 Power Supply ....................................................................................................................................................................................... 7
5.1.2 Serial and Debug Adapter (OpenSDA) ...................................................................................................................................... 9
5.1.3 Clock source ....................................................................................................................................................................................... 12
5.1.4 USB Interface ..................................................................................................................................................................................... 13
5.1.5 Serial Port ........................................................................................................................................................................................... 13
5.1.6 Reset ...................................................................................................................................................................................................... 13
5.1.7 Debug .................................................................................................................................................................................................... 13
5.1.8 Capacitive Touch Slider ................................................................................................................................................................ 13
5.1.9 3-axis Accelerometer ..................................................................................................................................................................... 13
5.1.10 RGB LED ............................................................................................................................................................................................ 14
5.1.11 Visible light sensor ....................................................................................................................................................................... 15
5.1.1 Temperature sensor ..................................................................................................................................................................... 15
5.1.2 Input/Output Connectors ............................................................................................................................................................ 16
5.1.3 Arduino Compatibility .................................................................................................................................................................. 17