WT12-A-AI

WT12-A-AI Datasheet

WT12

Part	Datasheet
WT12-A-AI	WT12-A-AI (pdf)

Related Parts	Information
WT12-A-AI3	WT12-A-AI3

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WT12 Data Sheet Version Friday, May 22, 2009 Copyright 2000-2009 Bluegiga Technologies All rights reserved. Bluegiga Technologies assumes no responsibility for any errors, which may appear in this manual. Furthermore, Bluegiga Technologies reserves the right to alter the hardware, software, and/or specifications detailed herein at any time without notice, and does not make any commitment to update the information contained herein. Bluegiga Technologies’ products are not authorized for use as critical components in life support devices or systems. The WRAP is a registered trademark of Bluegiga Technologies The Bluetooth trademark is owned by the Bluetooth SIG Inc., USA, and is licensed to Bluegiga Technologies. All other trademarks listed herein are owned by their respective owners. Contents: Block Diagram and Descriptions Electrical Characteristics Radio Characteristics Basic Data Rate 11 Radio Characteristics Enhanced Data Rate 14 WT12 Pin Description Physical UART 19 UART Configuration While RESET is Active 20 UART Bypass 20 USB Interface 22 USB Pull-Up Resistor 22 Self Powered Mode 22 Bus Powered Mode 23 Suspend 24 Detach and Wake-Up Signaling 24 USB Driver 25 USB Compliance 25 USB 25 SPI Interface 26 PCM Interface 27 PCM Interface 27 Long Frame Sync 28 Short Frame Sync 28 Multi Slot 29 GCI Interface 29 Slots and Sample 30 Additional Features 31 PCM 31 I/O Parallel Ports Software Stacks iWRAP Stack 34 HCI 35 RFCOMM 38 VM 39 HID Stack 40 Enhanced Data Rate Enhanced Data Rate Baseband 42 Enhanced Data Rate 42 8DQPSK 42 Layout and Soldering Considerations Soldering recommendations 44 Layout guidelines 44 WT12 physical dimensions Certifications CE 52 Industry Canada 53 RoHS Statement with a List of Banned Materials Contact Information TERMS & ABBREVIATIONS Term or Abbreviation: Explanation: Bluetooth Set of technologies providing audio and data transfer over short-range radio connections Conformité Européene Device Firmware Upgrade Enhanced Data Rate ORDERING INFORMATION: iW RAP firmware iW RAP firmware HCI firm ware, BT2.1 + EDR HCI firm ware, BT2.0 + EDR Custom firmware Internal chip antenna W T12-A-AI3 W T12-A-AI W T12-A-HCI21 W T12-A-HCI W T12-A-C * Table 1 Ordering information * Custom firmware means any standard firmware with custom parameters like UART baud rate , custom firmware developer by customer or custom firmware developed by Bluegiga for the customer. To order custom firmware you must have a properly filled Custom Firmware Order From and unique ordering code issued by Bluegiga. Contact for more information. BLOCK DIAGRAM AND DESCRIPTIONS Figure 2 Block Diagram of WT12 BlueCore04 BlueCore4 is a single chip Bluetooth solution which implements the Bluetooth radio transceiver and also an on chip microcontroller. BlueCore4 implements 2.0+EDR Enhanced Data Rate and it can deliver data rates up to 3 Mbps. The microcontroller MCU on BlueCore04 acts as interrupt controller and event timer run the Bluetooth software stack and control the radio and host interfaces. A 16-bit reduced instruction set computer RISC microcontroller is used for low power consumption and efficient use of memory. BlueCore04 has 48Kbytes of on-chip RAM is provided to support the RISC MCU and is shared between the ring buffers used to hold voice/data for each active connection and the general purpose memory required by the Bluetooth stack. Crystal The crystal oscillates at 26MHz. Flash Flash memory is used for storing the Bluetooth protocol stack and Virtual Machine applications. It can also be used as an optional external RAM for memory intensive applications. Balun / filter Combined balun and filter changes the balanced input/output signal of the module to unbalanced signal of the monopole antenna. The filter is a band pass filter ISM band . Matching Antenna matching components match the antenna to 50 Ohms. Antenna The antenna is ACX AT3216 chip antenna. This is a full speed Universal Serial Bus USB interface for communicating with other compatible digital devices. WT12 acts as a USB peripheral, responding to requests from a Master host controller such as a PC. Synchronous Serial Interface This is a synchronous serial port interface SPI for interfacing with other digital devices. The SPI port can be used for system debugging. It can also be used for programming the Flash memory. UART This is a standard Universal Asynchronous Receiver Transmitter UART interface for communicating with other serial devices. Audio PCM Interface The audio pulse code modulation PCM Interface supports continuous transmission and reception of PCM encoded audio data over Bluetooth. Programmable I/O WT12 has a total of 6 digital programmable I/O terminals. These are controlled by firmware running on the device. Reset This can be used to reset WT12. Coexistence Interface Dedicated hardware is provided to implement a variety of coexistence schemes. Channel skipping AFH Adaptive Frequency Hopping , priority signaling, channel signaling and host passing of channel instructions are all supported. The features are configured in firmware. Since the details of some methods are proprietary e.g. Intel WCS please contact Bluegiga Technologies for details. ELECTRICAL CHARACTERISTICS Absolute maximum ratings Unit Storage temperature Operating temperature Supply voltage -0,3 Terminal voltages -0,4 Vdd + 0,4 Output current from PIOS The module should not continuously run under these conditions. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability and cause permanent damage to the device. Table 2 Absolute maximum ratings Recommended operating conditions Operating temperature Supply voltage Terminal voltages

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WT12

Data Sheet

Version Friday, May 22, 2009

Copyright 2000-2009 Bluegiga Technologies

All rights reserved.

Bluegiga Technologies assumes no responsibility for any errors, which may appear in this manual. Furthermore, Bluegiga Technologies reserves the right to alter the hardware, software, and/or specifications detailed herein at any time without notice, and does not make any commitment to update the information contained herein. Bluegiga Technologies’ products are not authorized for use as critical components in life support devices or systems.

The WRAP is a registered trademark of Bluegiga Technologies

The Bluetooth trademark is owned by the Bluetooth SIG Inc., USA, and is licensed to Bluegiga Technologies.

All other trademarks listed herein are owned by their respective owners.

Contents:

Block Diagram and Descriptions Electrical Characteristics

Radio Characteristics Basic Data Rate 11 Radio Characteristics Enhanced Data Rate 14 WT12 Pin Description Physical UART 19

UART Configuration While RESET is Active 20 UART Bypass 20 USB Interface 22 USB Pull-Up Resistor 22 Self Powered Mode 22 Bus Powered Mode 23 Suspend 24 Detach and Wake-Up Signaling 24 USB Driver 25 USB Compliance 25 USB 25 SPI Interface 26 PCM Interface 27 PCM Interface 27 Long Frame Sync 28 Short Frame Sync 28 Multi Slot 29 GCI Interface 29 Slots and Sample 30 Additional Features 31 PCM 31

I/O Parallel Ports

Software Stacks
iWRAP Stack 34

HCI 35

RFCOMM 38

VM 39

HID Stack 40

Enhanced Data Rate

Enhanced Data Rate Baseband 42

Enhanced Data Rate 42
8DQPSK 42

Layout and Soldering Considerations

Soldering recommendations 44

Layout guidelines 44

WT12 physical dimensions

Certifications

CE 52

Industry Canada 53

RoHS Statement with a List of Banned Materials

Contact Information

TERMS & ABBREVIATIONS

Term or Abbreviation:

Explanation:

Bluetooth

Set of technologies providing audio and data transfer over short-range radio connections

Conformité Européene

Device Firmware Upgrade

Enhanced Data Rate
ORDERING INFORMATION:
iW RAP firmware iW RAP firmware HCI firm ware, BT2.1 + EDR HCI firm ware, BT2.0 + EDR Custom firmware

Internal chip antenna W T12-A-AI3 W T12-A-AI

W T12-A-HCI21 W T12-A-HCI W T12-A-C *
Table 1 Ordering information
* Custom firmware means any standard firmware with custom parameters like UART baud rate , custom firmware developer by customer or custom firmware developed by Bluegiga for the customer.
To order custom firmware you must have a properly filled Custom Firmware Order From and unique ordering code issued by Bluegiga.

Contact for more information.

BLOCK DIAGRAM AND DESCRIPTIONS

Figure 2 Block Diagram of WT12

BlueCore04 BlueCore4 is a single chip Bluetooth solution which implements the Bluetooth radio transceiver and also an on chip microcontroller. BlueCore4 implements 2.0+EDR Enhanced Data Rate and it can deliver data rates up to 3 Mbps. The microcontroller MCU on BlueCore04 acts as interrupt controller and event timer run the Bluetooth software stack and control the radio and host interfaces. A 16-bit reduced instruction set computer RISC microcontroller is used for low power consumption and efficient use of memory. BlueCore04 has 48Kbytes of on-chip RAM is provided to support the RISC MCU and is shared between the ring buffers used to hold voice/data for each active connection and the general purpose memory required by the Bluetooth stack. Crystal The crystal oscillates at 26MHz.

Flash

Flash memory is used for storing the Bluetooth protocol stack and Virtual Machine applications. It can also be used as an optional external RAM for memory intensive applications.

Balun / filter

Combined balun and filter changes the balanced input/output signal of the module to unbalanced signal of the monopole antenna. The filter is a band pass filter ISM band .

Matching

Antenna matching components match the antenna to 50 Ohms.

Antenna

The antenna is ACX AT3216 chip antenna.

This is a full speed Universal Serial Bus USB interface for communicating with other compatible digital devices. WT12 acts as a USB peripheral, responding to requests from a Master host controller such as a PC.

Synchronous Serial Interface

This is a synchronous serial port interface SPI for interfacing with other digital devices. The SPI port can be used for system debugging. It can also be used for programming the Flash memory.

UART

This is a standard Universal Asynchronous Receiver Transmitter UART interface for communicating with other serial devices.

Audio PCM Interface

The audio pulse code modulation PCM Interface supports continuous transmission and reception of PCM encoded audio data over Bluetooth.

Programmable I/O

WT12 has a total of 6 digital programmable I/O terminals. These are controlled by firmware running on the device.

Reset

This can be used to reset WT12.

Coexistence Interface

Dedicated hardware is provided to implement a variety of coexistence schemes. Channel skipping AFH Adaptive Frequency Hopping , priority signaling, channel signaling and host passing of channel instructions are all supported. The features are configured in firmware. Since the details of some methods are proprietary e.g. Intel WCS please contact Bluegiga Technologies for details.

ELECTRICAL CHARACTERISTICS

Absolute maximum ratings

Unit

Storage temperature

Operating temperature

Supply voltage
-0,3

Terminal voltages
-0,4

Vdd + 0,4

Output current from PIOS

The module should not continuously run under these conditions. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability and cause permanent damage to the device.

Table 2 Absolute maximum ratings

Recommended operating conditions

Operating temperature Supply voltage Terminal voltages

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Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived WT12-A-AI Datasheet file may be downloaded here without warranties.

Datasheet ID: WT12-A-AI 521946