BT900-Sx

Datasheet

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Overview and Key Features........................................................................................................................4

Specifications .............................................................................................................................................5

Hardware Specifications.............................................................................................................................7

3.1. Block Diagram and Pin-out.........................................................................................................................7

3.2. Pin Definitions ............................................................................................................................................8

3.3. Electrical Specifications........................................................................................................................... 13

Power Consumption................................................................................................................................ 18

Functional Description ............................................................................................................................ 20

5.1. Power Management (includes brown-out and power-on-reset)............................................................ 20

5.2. Clocks and Timers.................................................................................................................................... 21

5.3. Memory for smart BASIC Application Code and Data ............................................................................ 21

5.4. RF............................................................................................................................................................. 21

5.5. UART Interface ........................................................................................................................................ 22

5.6. SPI Bus ..................................................................................................................................................... 23

5.7. I2C Interface ............................................................................................................................................ 23

5.8. General Purpose I/O, ADC, PWM/FREQ and Host-wakeup .................................................................... 24

5.9. nRESET pin............................................................................................................................................... 25

5.10. nAutoRUN pin ......................................................................................................................................... 25

5.11. smartBASIC Runtime Engine Firmware Upgrade .................................................................................... 25

5.12. Wake-up BT900....................................................................................................................................... 25

5.13. Low Power Modes................................................................................................................................... 25

5.14. BT and Wi-Fi Coexistence........................................................................................................................ 26

5.15. BLE vSP modes ........................................................................................................................................ 26

5.16. BT900-SA On-board Chip Antenna Characteristics ................................................................................. 27

Hardware Integration Suggestions.......................................................................................................... 28

6.1. Circuit ...................................................................................................................................................... 28

6.2. PCB Layout on Host PCB - General.......................................................................................................... 30

6.3. PCB Layout on Host PCB for BT900-SA.................................................................................................... 30

6.4. External Antenna Integration with BT900-SC ......................................................................................... 31

Mechanical Details .................................................................................................................................. 32

Application Note for Surface Mount Modules........................................................................................ 34

8.1. Introduction ............................................................................................................................................ 34

8.2. Shipping................................................................................................................................................... 34

8.3. Reflow Parameters.................................................................................................................................. 38

FCC and IC Regulatory Statements.......................................................................................................... 40

Japan (MIC) Regulatory ........................................................................................................................... 43

CE Regulatory .......................................................................................................................................... 43

EU Declarations of Conformity................................................................................................................ 44

Ordering Information .............................................................................................................................. 45

Bluetooth SIG Qualification..................................................................................................................... 45

Additional Assistance .............................................................................................................................. 46