Preliminary

DFBM-CR1 20

Data Sheet

Sep 24, 2004

Proprietary Information and Specifications are Subject to Change

Interface

Interface

Description

Antenna

External Antenna 50Ω

UART Interface

TX, RX, RTS, CTS(9600bps~1.5Mbps)

SPI Interface

Synchronous Serial Interface for firmware

download

USB Interface

Full speed Universal Serial Bus interface

PCM Codec

Qualcomm MSM 3000/5000 ,

Motorola MC145483/ MC145481

OKI MSM7705 , STW 5093/5094

PIO Interface

8 terminals

AIO Interface

2 terminals

Pin description

Pin No.

Name

Description

1

Reset

An active high reset

2

AIO_1

Analogue Programmable input/output

3

AIO_0

Analogue Programmable input/output