BT 900 Specifications download pdf (Page 8)

BT900-Sx Hardware Integration Guide

Intelligent BTv4.0 Dual Mode Module

Embedded Wireless Solutions Support

Center: http://ews-support.lairdtech.com

www.lairdtech.com/bluetooth

Laird

Americas: +1-800-492-2320

Europe: +44-1628-858-940

Hong Kong: +852 2923 0610

Note 5:

Deep sleep consumes 233uA of power when the BT900 internal radio chip 32.768kHz is used. The

smart

BASIC runtime engine firmware (v9.1.2.0) has SIO (DIO default function) input pins that are

PULL-UP enabled by default. You may disable the internal PULL_UP through a

smart

BASIC

application script. Lower Power consumption may be achieved when all SIO pins are set as outputs

and low (in your

smart

BASIC application script). In deep sleep 7uA can be achieved if all SIO pins

are set as output and low.

Note 6:

1.8V operation not supported in current

smart

BASIC runtime engine FW v9.

3 HARDWARE SPECIFICATIONS

3.1 Block Diagram and Pin-out

smart

BASIC

run-time engine

(provides safe access to

BT/BLE stack, drivers and

non-vol stores)

Non-Vol

File

System

for

smartBASIC

Apps

Non-Vol

Data

Store

I/O, UART,I2C,SPI Drivers

UART

ADC

I2C

SPI

UFL

Internal

Antenna

47 connection pads

RAM

Flash

GPIO/PWM

Blutooth 4.0 Radio

( Classic BT & BLE )

User smartBASIC Application

Example App

PRINT "Laird BT900 Module"

WaitEvent

Bluetooth Classic

Bluetooth Low Energy

Stack

Serial Flash

(SPI)

ARM Cortex M3

running

smartBASIC

32.768Khz

Crystal

Figure 1: Functional HW and SW block Diagram for BT900 series Dual-Mode BT/ BLE smart

BASIC

module

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