CYW20705 datasheet(3/51 Pages) CYPRESS

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Document Number: 002-14867 Rev. *F

Page 3 of 51

CYW20705

Contents

1. Overview ........................................................................ 4

1.1 Major Features ...................................................... 4

1.2 Block Diagram ....................................................... 6

1.3 Usage Model ......................................................... 7

2. Integrated Radio Transceiver ...................................... 8

2.1 Transmitter Path .................................................... 8

2.2 Receiver Path ........................................................ 8

2.3 Local Oscillator Generation ................................... 8

2.4 Calibration ............................................................. 8

2.5 Internal LDO .......................................................... 9

3. Bluetooth Baseband Core ......................................... 10

3.1 Transmit and Receive Functions ......................... 10

3.2 Bluetooth 4.1 + EDR Features ............................ 10

3.3 Frequency Hopping Generator ............................ 10

3.4 Link Control Layer ............................................... 11

3.5 Test Mode Support .............................................. 11

3.6 Power Management Unit ..................................... 12

3.7 Adaptive Frequency Hopping .............................. 14

3.8 Collaborative Coexistence ................................... 14

3.9 Serial Enhanced Coexistence Interface .............. 14

4. Microprocessor Unit ................................................... 16

4.1 Overview ............................................................. 16

4.2 NVRAM Configuration Data and Storage ............ 16

4.3 EEPROM ............................................................. 16

4.4 External Reset ..................................................... 16

4.5 One-Time Programmable Memory ...................... 17

5. Peripheral Transport Unit .......................................... 18

5.1 PCM Interface ..................................................... 18

5.2 HCI Transport Detection Configuration ............... 20

5.3 USB Interface ...................................................... 21

5.4 UART Interface .................................................... 23

5.5 SPI ....................................................................... 24

5.6 Simultaneous UART Transport and Bridging ...... 24

6. Frequency References ............................................... 25

6.1 Crystal Interface and Clock Generation .............. 25

6.2 Crystal Oscillator ................................................. 26

6.3 External Frequency Reference ............................ 26

6.4 Frequency Selection ............................................ 27

6.5 Frequency Trimming ........................................... 27

6.6 LPO Clock Interface ............................................ 28

7. Pin-out and Signal Descriptions ............................... 29

7.1 Pin Descriptions .................................................. 29

8. Ball Grid Arrays .......................................................... 31

9. Electrical Characteristics ........................................... 32

9.1 RF Specifications ................................................ 37

9.2 Timing and AC Characteristics ............................ 40

10. Mechanical Information ........................................... 47

10.1 Tape, Reel, and Packing Specification .............. 48

11. Ordering Information ................................................ 49

Document History .......................................................... 50

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