Bluegiga Technologies Oy

TABLE OF CONTENTS

1

BLE121LR Product numbering......................................................................................................................6

2

Pinout and Terminal Description ...................................................................................................................7

2.1

I/O Ports .............................................................................................................................................. 10

2.1.1

I/O Configurations ........................................................................................................................ 10

2.1.2

Reserved I/O’s ............................................................................................................................. 10

2.2

UART................................................................................................................................................... 10

3

Electrical Characteristics ............................................................................................................................ 11

3.1

Absolute Maximum Ratings ................................................................................................................ 11

3.2

Recommended Operating Conditions ................................................................................................. 11

3.3

DC Characteristics .............................................................................................................................. 11

3.4

Current Consumption .......................................................................................................................... 12

3.5

RF Characteristics............................................................................................................................... 13

4

Physical Dimensions .................................................................................................................................. 17

5

Power-On Reset and Brownout Detector ................................................................................................... 19

6

Design Guidelines ...................................................................................................................................... 20

6.1

General Design Guidelines ................................................................................................................. 20

6.2

Layout Guide Lines ............................................................................................................................. 20

6.3

BLE121LR-A Layout Guide ................................................................................................................. 21

7

Soldering Recommendations ..................................................................................................................... 23

8

Block diagram............................................................................................................................................. 24

9

Certifications ............................................................................................................................................... 27

9.1

Bluetooth ............................................................................................................................................. 27

9.2

FCC ..................................................................................................................................................... 27

9.3

IC ......................................................................................................................................................... 27

9.3.1

IC.................................................................................................................................................. 27

9.4

CE ....................................................................................................................................................... 28

9.5

MIC Japan ........................................................................................................................................... 28

9.6

KCC (Korea)........................................................................................................................................ 28

10

Contact Information................................................................................................................................. 29