WT12-A-AI4

WT12-A-AI4 Datasheet

WT12

Part	Datasheet
WT12-A-AI4	WT12-A-AI4 (pdf)

Related Parts	Information
WT12-A-AI5	WT12-A-AI5

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WT12 DATA SHEET Wednesday, 09 April 2014 Version Copyright 2000-2014 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 here at any time without notice and does not make any commitment to update the information contained here. Bluegiga’s 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. Bluegiga Technologies Oy Table of Contents 1 ORDERING INFORMATION 2 Block Diagram and Descriptions 3 Electrical Characteristics Absolute maximum ratings Recommended operating conditions Terminal characteristics Current consumption 10 Radio characteristics and general specifications 11 Radio Characteristics Basic Data Rate 12 Transmitter radio 12 Receiver radio 13 Radio Characteristics Enhanced Data Rate 15 Transmitter radio 15 Receiver radio 16 4 WT12 Pin 17 5 Physical Interfaces 20 UART 20 UART Configuration While RESET is Active 21 UART Bypass Mode 21 USB Interface 23 USB Pull-Up 23 Self Powered 23 Bus Powered 24 Suspend Current 24 Detach and Wake-Up 24 USB Driver 25 USB 25 USB Compatibility 25 SPI 26 PCM Interface 27 PCM Interface Master/Slave 27 Long Frame 28 Short Frame Sync 28 Multi Slot Operation 29 GCI 29 Slots and Sample 29 Additional Features 30 Bluegiga Technologies Oy PCM 30 6 I/O Parallel Ports 32 7 Software 33 iWRAP 33 HCI Stack 34 Standard functionality 34 Extra 36 VM Stack 37 Software Development 38 8 Enhanced Data Rate 39 Enhanced Data Rate 39 8DQPSK 39 9 Layout and Soldering Considerations 41 Soldering recommendations 41 Layout guidelines 41 10 WT12 physical dimensions 44 11 Package 46 12 Certifications 48 Bluetooth 48 FCC and IC 48 CE 50 Japan 50 13 RoHS Statement with a List of Banned 51 14 Contact 52 Bluegiga Technologies Oy WT12 Bluetooth module WT12 is a fully integrated Bluetooth + EDR, class 2 module combining antenna, Bluetooth radio and an on-board iWRAP Bluetooth stack. Bluegiga WT12 provides an ideal solution for developers that want to quickly integrate Bluetooth wireless technology to their design without investing several months into Bluetooth radio and stack development. WT12 uses Bluegiga's iWRAP Bluetooth stack, which is an embedded Bluetooth stack implementing 13 different Bluetooth profiles and Apple iAP connectivity. By using WT12 combined with iWRAP Bluetooth stack and Bluegiga's excellent technical support designers ensure quick time to market, low development costs 1 ORDERING INFORMATION iWRAP firmware iWRAP firmware iWRAP firmware HCI firmware, BT2.1 + EDR Custom firmware Internal chip antenna WT12-A-AI5 WT12-A-AI4 WT12-A-3 WT12-A-HCI21 WT12-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. Bluegiga Technologies Oy 2 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 + 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 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. Bluegiga Technologies Oy Antenna The antenna is ACX AT3216 chip antenna. USB 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. Bluegiga Technologies Oy 3 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 Unit 1 WT12 operates as low as 2,7 V supply voltage. However, to safely meet the USB specification for minimum voltage for USB data lines, minimum of 3,1 V supply is required. Table 3 Recommended operating conditions Terminal characteristics Unit I/O voltage levels VIL input logic level low -0,4 VIH input logic level high 0,7Vdd Vdd + 0,4 VOL output logic level low VOH output logic level high Vdd - 0,2 Reset terminal VTH,res threshold voltage RIRES input resistance 0,64 0,85

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WT12

DATA SHEET

Wednesday, 09 April 2014 Version

Copyright 2000-2014 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 here at any time without notice and does not make any commitment to update the information contained here. Bluegiga’s 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.

Bluegiga Technologies Oy
Table of Contents 1 ORDERING INFORMATION 2 Block Diagram and Descriptions 3 Electrical Characteristics

Absolute maximum ratings Recommended operating conditions Terminal characteristics Current consumption 10 Radio characteristics and general specifications 11 Radio Characteristics Basic Data Rate 12

Transmitter radio 12 Receiver radio 13 Radio Characteristics Enhanced Data Rate 15 Transmitter radio 15 Receiver radio 16 4 WT12 Pin 17 5 Physical Interfaces 20 UART 20 UART Configuration While RESET is Active 21 UART Bypass Mode 21 USB Interface 23 USB Pull-Up 23 Self Powered 23 Bus Powered 24 Suspend Current 24 Detach and Wake-Up 24 USB Driver 25 USB 25 USB Compatibility 25 SPI 26 PCM Interface 27 PCM Interface Master/Slave 27 Long Frame 28 Short Frame Sync 28 Multi Slot Operation 29 GCI 29 Slots and Sample 29 Additional Features 30

Bluegiga Technologies Oy

PCM 30
6 I/O Parallel Ports 32
7 Software 33
iWRAP 33

HCI Stack 34

Standard functionality 34

Extra 36

VM Stack 37

Software Development 38
8 Enhanced Data Rate 39

Enhanced Data Rate 39
8DQPSK 39
9 Layout and Soldering Considerations 41

Soldering recommendations 41

Layout guidelines 41
10 WT12 physical dimensions 44
11 Package 46
12 Certifications 48

Bluetooth 48

FCC and IC 48

CE 50

Japan 50
13 RoHS Statement with a List of Banned 51
14 Contact 52

Bluegiga Technologies Oy

WT12 Bluetooth module

WT12 is a fully integrated Bluetooth + EDR, class 2 module combining antenna, Bluetooth radio and an on-board iWRAP Bluetooth stack. Bluegiga WT12 provides an ideal solution for developers that want to quickly integrate Bluetooth wireless technology to their design without investing several months into Bluetooth radio and stack development.

WT12
uses

Bluegiga's
iWRAP Bluetooth stack, which is an
embedded Bluetooth stack implementing 13
different Bluetooth profiles and Apple iAP
connectivity. By using WT12 combined with
iWRAP Bluetooth stack and Bluegiga's
excellent technical support designers ensure
quick time to market, low development costs
1 ORDERING INFORMATION
iWRAP firmware iWRAP firmware iWRAP firmware HCI firmware, BT2.1 + EDR Custom firmware

Internal chip antenna WT12-A-AI5 WT12-A-AI4 WT12-A-3

WT12-A-HCI21 WT12-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.

Bluegiga Technologies Oy
2 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 + 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 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.

Bluegiga Technologies Oy

Antenna The antenna is ACX AT3216 chip antenna. USB 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.

Bluegiga Technologies Oy
3 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

Unit
1 WT12 operates as low as 2,7 V supply voltage. However, to safely meet the USB specification for minimum voltage for USB data lines, minimum of 3,1 V supply is required.

Table 3 Recommended operating conditions

Terminal characteristics

Unit

I/O voltage levels

VIL input logic level low
-0,4

VIH input logic level high
0,7Vdd

Vdd + 0,4

VOL output logic level low

VOH output logic level high

Vdd - 0,2

Reset terminal

VTH,res threshold voltage RIRES input resistance
0,64
0,85

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-AI4 Datasheet file may be downloaded here without warranties.

Datasheet ID: WT12-A-AI4 521947