Data Sheet

BDE-BW2837
Dual-Band WiFi, Bluetooth & BLE Dual-Mode Module
Datasheet
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BDE Technology Inc.
Datasheet
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Contents
General Description ....................................................... 1
Key Features ................................................................... 1
Applications .................................................................... 1
Contents ......................................................................... 2
1. References .............................................................. 3
2. Terminal Configuration and Functions ................... 4
3.1 Pin Diagram ...................................................... 4
3.2 Pin Attributes and Pin Multiplexing ................. 4
3. Specifications ......................................................... 7
4.1 General Requirements and Operating
Conditions .............................................................. 7
4.1.1 Absolute Maximum Ratings .................. 7
4.1.2 ESD Ratings ............................................ 7
4.1.3 Recommended Operating Conditions ... 8
4.1.4 External Digital Slow Clock Requirements
....................................................................... 8
4.2 WLAN Performance .......................................... 9
4.2.1 WLAN 2.4-GHz Receiver Characteristics 9
4.2.2 WLAN 2.4-GHz Transmitter Power ...... 10
4.2.3 WLAN 5-GHz Receiver Characteristics . 11
4.2.4 WLAN 5-GHz Transmitter Power ......... 11
4.2.5 WLAN Power Consumption ................. 12
4.3 Bluetooth Performance .................................. 13
4.3.1 BR, EDR Receiver Characteristics—In-
Band Signals ................................................. 13
4.3.2 Bluetooth Transmitter, BR ................... 14
4.3.3 Bluetooth Transmitter, EDR ................. 14
4.3.4 Bluetooth Modulation, BR .................. 14
4.3.5 Bluetooth Modulation, EDR ................ 15
4.3.6 Bluetooth BR / EDR Power Consumption
..................................................................... 15
4.4 Bluetooth Low Energy Performance .............. 16
4.4.1 Receiver Characteristics – In-Band Signals
...................................................................... 16
4.4.2 Bluetooth low energy Transmitter
Characteristics .............................................. 16
4.4.3 Bluetooth low energy Modulation
Characteristics .............................................. 16
4.4.4 Bluetooth Low Energy Power
Consumption ................................................ 17
4. Typical RF Parameters and Power Consumptions 18
5. Power Management .......................................... 19
6.1 Internal DC-DCs .............................................. 19
6.2 Power-Up and Shut-Down States ................... 19
6.3 Chip Top-level Power-Up Sequence ................ 20
6.4 WLAN Power-Up Sequence ............................ 21
6.5 Bluetooth-Bluetooth Low Energy Power-Up
Sequence .............................................................. 21
6. WLAN SDIO Transport Layer .......................... 22
7.1 SDIO Default Rate Timing Specifications ........ 22
7.2 SDIO HS Switching Characteristics .................. 23
7. HCI UART Shared-Transport Layers for All
Functional Blocks (Except WLAN) .......................... 25
8. Bluetooth Codec-PCM (Audio) Timing Specifications
27
9. Reference Design .................................................. 28
10.2 Typical Application Schematic ........................ 29
10.3 Design Recommendations ............................ 30
10. Baking and SMT Recommendations ..................... 32
11.1 Baking Recommendations ............................ 32
11.2 SMT Recommendations ................................ 32
11. Mechanical Specifications .................................... 33
12.1 Dimensions ................................................... 33
12.2 PCB Footprint................................................ 33
12.3 Marking ........................................................ 34
12. Packaging Information .......................................... 35
13. Certification .......................................................... 35
14. Ordering Information ........................................... 39
15. Revision History .................................................... 39