WT12-A-AI5001C Silicon Labs

WT12 DATA SHEET Monday, 13 April 2015 Version 3.2 Not Recommended for New DesignsTable of Contents 1 ORDERING INFORMATION .........................................................................................................................6 2 Block Diagram and Descriptions ...................................................................................................................7 3 Electrical Characteristics ...............................................................................................................................9 3.1 Absolute maximum ratings .....................................................................................................................9 3.2 Recommended operating conditions .....................................................................................................9 3.3 Terminal characteristics .........................................................................................................................9 3.4 Current consumption ........................................................................................................................... 10 3.5 Radio characteristics and general specifications ................................................................................ 11 3.6 Radio Characteristics Basic Data Rate ............................................................................................ 12 3.6.1 Transmitter radio characteristics .................................................................................................. 12 3.6.2 Receiver radio characteristics ...................................................................................................... 13 3.7 Radio Characteristics Enhanced Data Rate .................................................................................... 15 3.7.1 Transmitter radio characteristics .................................................................................................. 15 3.7.2 Receiver radio characteristics ...................................................................................................... 16 4 WT12 Pin Description ................................................................................................................................. 17 5 Physical Interfaces ..................................................................................................................................... 20 5.1 UART Interface .................................................................................................................................... 20 5.1.1 UART Configuration While RESET is Active ............................................................................... 21 5.1.2 UART Bypass Mode .................................................................................................................... 21 5.2 USB Interface ...................................................................................................................................... 23 5.2.1 USB Pull-Up Resistor ................................................................................................................... 23 5.2.2 Self Powered Mode ...................................................................................................................... 23 5.2.3 Bus Powered Mode ...................................................................................................................... 24 5.2.4 Suspend Current .......................................................................................................................... 24 5.2.5 Detach and Wake-Up Signaling ................................................................................................... 24 5.2.6 USB Driver ................................................................................................................................... 25 5.2.7 USB 1.1 Compliance .................................................................................................................... 25 5.2.8 USB 2.0 Compatibility .................................................................................................................. 25 5.3 SPI Interface ........................................................................................................................................ 26 5.4 PCM Interface ..................................................................................................................................... 27 5.4.1 PCM Interface Master/Slave ........................................................................................................ 27 5.4.2 Long Frame Sync ......................................................................................................................... 28 5.4.3 Short Frame Sync ........................................................................................................................ 28 5.4.4 Multi Slot Operation ..................................................................................................................... 29 5.4.5 GCI Interface ................................................................................................................................ 29 5.4.6 Slots and Sample Formats ........................................................................................................... 29 5.4.7 Additional Features .................................................................................................................... 30 Silicon Labs Not Recommended for New Designs