Table Of Contents; Contents - Infineon AIROC CYBLE-343072-02 Manual

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Manual (32 pages)

Table of Contents

AIROC™ Bluetooth® LE module

Contents

General description ...........................................................................................................................1

Module description............................................................................................................................1

Power consumption...........................................................................................................................1

Functional capabilities.......................................................................................................................1

Benefits............................................................................................................................................2

More information ..............................................................................................................................2

References........................................................................................................................................2

Development environments ...............................................................................................................3

Technical support..............................................................................................................................3

Contents...........................................................................................................................................4

1 Overview .......................................................................................................................................6

1.1 Functional block diagram.......................................................................................................................................6

1.2 Module description .................................................................................................................................................6

1.2.1 Module dimensions and drawing........................................................................................................................6

2 Pad connection interface.................................................................................................................8

3 Recommended host PCB layout......................................................................................................10

4 Module connections ......................................................................................................................14

5 Connections and optional external components..............................................................................17

5.1 Power connections (VDDIN) .................................................................................................................................17

5.2 External reset (XRES) ............................................................................................................................................17

5.3 Critical components list........................................................................................................................................19

5.4 Antenna design .....................................................................................................................................................20

6 Functional description ..................................................................................................................21

6.1 Bluetooth® baseband core ...................................................................................................................................21

6.1.1 Link control layer ...............................................................................................................................................21

6.1.2 Test mode support.............................................................................................................................................22

6.1.3 Frequency hopping generator ..........................................................................................................................22

6.2 Microcontroller unit ..............................................................................................................................................22

6.2.1 Floating point unit .............................................................................................................................................22

6.2.2 OTP memory ......................................................................................................................................................22

6.2.3 NVRAM configuration data and storage............................................................................................................22

6.2.4 Power-on reset (POR) ........................................................................................................................................23

6.3 External reset (XRES) ............................................................................................................................................23

6.3.1 Brownout detection...........................................................................................................................................23

7 Integrated radio transceiver ..........................................................................................................24

7.1 Transmitter path...................................................................................................................................................24

7.1.1 Digital modulator...............................................................................................................................................24

7.1.2 Power amplifier..................................................................................................................................................24

7.2 Receiver path ........................................................................................................................................................24

7.2.1 Digital demodulator and bit synchronizer........................................................................................................24

7.2.2 Receiver signal strength indicator ....................................................................................................................24

7.3 Local oscillator generation...................................................................................................................................24

7.4 Calibration.............................................................................................................................................................24

8 Peripheral and communication interfaces ......................................................................................25

8.1 I2C communication interface...............................................................................................................................25

8.2 HCI UART interface................................................................................................................................................25

8.3 Triac control ..........................................................................................................................................................26

8.4 Peripheral UART interface ....................................................................................................................................26

8.5 Serial peripheral interface....................................................................................................................................26

8.6 Infrared modulator ...............................................................................................................................................27

8.7 PDM microphone ..................................................................................................................................................27

Preliminary Datasheet

4 of 58

002-33419 Rev. **

2021-07-22