UG261 datasheet(2/34 Pages) SILABS

2 / 34 page

Table of Contents

1. Introduction ................................ 4

1.1 Radio Boards .............................. 4

1.2 Ordering Information

........................... 4

1.3 Getting Started

............................. 4

2. Hardware Overview ............................. 5

2.1 Hardware Layout ............................. 5

2.2 Block Diagram.............................. 6

3. Connectors ................................ 7

3.1 J-Link USB Connector ........................... 7

3.2 Ethernet Connector ............................ 7

3.3 Breakout Pads

............................. 8

3.4 Expansion Header ............................ 9

3.4.1 Expansion Header Pin-out

.......................10

3.5 Debug Connector.............................11

3.6 Simplicity Connector............................12

3.7 Debug Adapter

.............................13

4. Power Supply and Reset ..........................

4.1 Radio Board Power Selection

........................14

4.2 Board Controller Power...........................15

4.3 EFR32 Reset ..............................15

4.4 Battery Holder ..............................15

5. Peripherals ...............................

5.1 Push Buttons and LEDs ..........................16

5.2 Capacitive Touch Slider

..........................16

5.3 Memory LCD-TFT Display..........................17

5.4 Serial Flash

..............................18

5.5 Si7021 Relative Humidity and Temperature Sensor .................19

5.6 Virtual COM Port .............................20

5.6.1 Host Interfaces ...........................21

5.6.2 Serial Configuration ..........................21

5.6.3 Hardware Handshake .........................22

6. Board Controller .............................

6.1 Admin Console .............................23

6.1.1 Connecting .............................23

6.1.2 Built-in Help ............................23

6.1.3 Command Examples .........................24

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