Silicon Laboratories Finland Oy WT12 User Manuals

Table of Contents

• Device Features Overview

  4
• General Description

  5
• Physical Outlook

  5
• Block Diagram and Descriptions

  6
• BlueCore04

  6
• Crystal

  7
• Flash

  7
• Balun/Filter

  7
• Matching

  7
• Antenna

  7
• USB

  7
• Synchronous Serial Interface

  7
• UART

  7
• Audio PCM Interface

  7
• Programmable I/O

  7
• Reset

  7
• 802.11 Coexistence Interface

  7
• Applications

  8
• Physical Layer Specifications

  9
• General Specifications

  10
• Electrical Charasteristics

  12
• WT12 PIN description

  13
• Foot print

  15
• Physical Dimensions

  17
• Physical Interfaces

  18
• UART Interface

  18
• UART Configuration While RESET is Active

  21
• UART Bypass Mode

  21
• Current Consumption in UART Bypass Mode

  21
• USB Interface

  22
• USB Data Connections

  22
• USB Pull-Up Resistor

  22
• Power Supply

  22
• Self Powered Mode

  22
• Bus Powered Mode

  24
• Suspend Current

  24
• Detach and Wake-Up Signaling

  25
• USB Driver

  25
• USB 1.1 Compliance

  25
• USB 2.0 Compatibility

  26
• SPI Interface

  26
• I/O Parallel Ports

  26
• Reset

  27
• Software Stacks

  27
• iWRAP Stack

  28
• Contact Information

  30