User's Manual

2
Contents:
1. Device Features Overview .......................................................................... 4
2. General Description.................................................................................... 5
2.1 Physical Outlook..........................................................................................5
2.2 Block Diagram and Descriptions.....................................................................6
2.2.1 BlueCore04 ...........................................................................................6
2.2.2 Crystal .................................................................................................7
2.2.3 Flash....................................................................................................7
2.2.4 Balun ...................................................................................................7
2.2.5 Power amplifier......................................................................................7
2.2.6 Switch..................................................................................................7
2.2.7 Matching...............................................................................................7
2.2.8 Antenna................................................................................................7
2.2.9 U.FL.....................................................................................................7
2.2.10 USB ..................................................................................................7
2.2.11 Synchronous Serial Interface ................................................................7
2.2.12 UART.................................................................................................7
2.2.13 Audio PCM Interface ............................................................................7
2.2.14 Programmable I/O...............................................................................8
2.2.15 Reset.................................................................................................8
2.2.16 802.11 Coexistence Interface................................................................8
2.3 Applications ................................................................................................8
2.4 Product names and codes .............................................................................9
3. Electrical Charasteristics .......................................................................... 12
4. WT11 PIN description .............................................................................. 13
5. Foot print ................................................................................................. 15
6. Antenna Keep out area ............................................................................. 16
7. WT11-A Physical Dimensions ................................................................... 17
7.1 UART Interface.......................................................................................... 18