EBWT21

EBWT21 Datasheet

Part	Datasheet
EBWT21	EBWT21 (pdf)

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WT21 EVALUATION KIT DATA SHEET Friday, 05 February 2010 Version Copyright 2000-2010 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 VERSION HISTORY Version Comment First draft First release Added images Bootstrap added Pin out numbers fixed Bluegiga Technologies Oy TABLE OF CONTENTS 1 5 2 Physical 6 3 Schematics 7 4 Assembly 10 5 11 6 12 Powering the evaluation board 12 UART 12 Host selection DIP switch 12 UART protocol selection 12 UART baudrate negotation 13 Loading the PS keys 13 SPI interface 14 SDIO and PIO 14 PCM Codec and Audio Interface 14 7 WEEE Compliance 15 8 Contact Information 16 Bluegiga Technologies Oy 1 Introduction • Evaluation kit for WT32 Bluetooth audio module containing o RS-232 serial interface 230400bps o USB interface for power supply o SPI for upgrading the firmware and parameters o Reset button o PCM codec OKI MSM7702-01 o 2 x 3,5mm audio jacks for line in and line out o 24 pin I/O interface PIO1 PIO9, UART, SDIO, PCM, GND, 3V3, ENA o DIP switches for host interface configuration o Current measurement point • Host controller interface TARGET APPLICATIONS WT21 Evaluation Kit is meant for evaluation and development of WT21 Bluetooth module or prototyping and piloting Bluetooth systems utilizing WT21 module. ELECTRICAL FUNCTIONALITY Please, refer to the latest WT21 data sheet for information about WT21 Bluetooth module. The physical outlook, schematics, assembly and the PIN configurations of the interfaces of WT21 evaluation Kit are described in this document. SOFTWARE FUNCTIONALITY WT32 evaluation kit is delivered with Host Controller Interface HCI firmware, so WT21 only implements the lowest levels of Bluetooth stack. WT21 always requires a host system that implements the upper layers of Bluetooth stack and at least one Bluetooth profile. Bluegiga Technologies Oy Page 5 of 16 2 Physical outlook Figure 1 WT21 front view Figure 2 WT21 back view Bluegiga Technologies Oy Page 6 of 16 3 Schematics Figure 3 EKWT21 Schematic 1/3 Bluegiga Technologies Oy

PDF Datasheet Preview

WT21 EVALUATION KIT

DATA SHEET

Friday, 05 February 2010 Version

Copyright 2000-2010 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

VERSION HISTORY

Version

Comment First draft First release Added images Bootstrap added Pin out numbers fixed

Bluegiga Technologies Oy

TABLE OF CONTENTS
1 5 2 Physical 6 3 Schematics 7 4 Assembly 10 5 11 6 12

Powering the evaluation board 12 UART 12 Host selection DIP switch 12

UART protocol selection 12 UART baudrate negotation 13 Loading the PS keys 13 SPI interface 14 SDIO and PIO 14 PCM Codec and Audio Interface 14 7 WEEE Compliance 15 8 Contact Information 16

Bluegiga Technologies Oy
1 Introduction
• Evaluation kit for WT32 Bluetooth audio module containing
o RS-232 serial interface 230400bps
o USB interface for power supply
o SPI for upgrading the firmware and parameters
o Reset button
o PCM codec OKI MSM7702-01
o 2 x 3,5mm audio jacks for line in and line out
o 24 pin I/O interface PIO1 PIO9, UART, SDIO, PCM, GND, 3V3, ENA
o DIP switches for host interface configuration
o Current measurement point
• Host controller interface

TARGET APPLICATIONS

WT21 Evaluation Kit is meant for evaluation and development of WT21 Bluetooth module or prototyping and piloting Bluetooth systems utilizing WT21 module.

ELECTRICAL FUNCTIONALITY

Please, refer to the latest WT21 data sheet for information about WT21 Bluetooth module. The physical outlook, schematics, assembly and the PIN configurations of the interfaces of WT21 evaluation Kit are described in this document.

SOFTWARE FUNCTIONALITY

WT32 evaluation kit is delivered with Host Controller Interface HCI firmware, so WT21 only implements the lowest levels of Bluetooth stack. WT21 always requires a host system that implements the upper layers of Bluetooth stack and at least one Bluetooth profile.

Bluegiga Technologies Oy

Page 5 of 16
2 Physical outlook

Figure 1 WT21 front view Figure 2 WT21 back view

Bluegiga Technologies Oy

Page 6 of 16
3 Schematics

Figure 3 EKWT21 Schematic 1/3 Bluegiga Technologies Oy

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 EBWT21 Datasheet file may be downloaded here without warranties.

Datasheet ID: EBWT21 521937