WT21 データシートの表示（PDF） - Unspecified

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WT21

WT21 EVALUATION KIT

Unspecified 

1 Introduction

FEATURES

 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

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