User's Manual

BT900-Sx Hardware Integration Guide
Intelligent BTv4.0 Dual Mode Module
Americas: [phone] Option 2
Europe: [phone]
Hong Kong: [phone]
www.lairdtech.com/bluetooth
3 CONN-HIG-BT900
C ONTENTS
Revision History ..................................................................................................................... 2
Contents ................................................................................................................................ 3
1 Overview and Key Features ................................................................................................ 5
1.1 Features & Benefits ..................................................................................................................... 5
1.2 Application Areas ....................................................................................................................... 5
2 Specification ..................................................................................................................... 7
2.1 Specification Summary .............................................................................................................. 7
3 Hardware Specifications .................................................................................................... 9
3.1 Block Diagram and Pin-out ....................................................................................................... 9
3.2 Pin Definitions ............................................................................................................................ 10
3.3 Electrical Specifications ........................................................................................................... 12
3.3.1 Absolute Maximum ratings ......................................................................................... 12
3.3.2 Recommended Operating Parameters ................................................................... 13
3.3.3 nAutoRUN pin and Operating Modes ...................................................................... 15
3.3.4 OTA (Over the Air) smart BASIC application download ......................................... 15
4 Power Consumption ........................................................................................................ 17
4.1 Power Consumption ................................................................................................................. 17
4.2 Measured Peak Current Waveforms During BLE Advertising and Connection .............. 19
4.3 Peripheral block current consumption .................................................................................. 22
5 Functional Description .................................................................................................... 23
5.1 Power management (includes brown-out and power on reset) ....................................... 23
5.2 Clocks and TIMERS .................................................................................................................... 23
5.2.1 Clocks ........................................................................................................................... 23
5.2.2 TIMERS ........................................................................................................................... 23
5.3 Memory for smart BASIC Application Code ......................................................................... 24
5.4 RF ................................................................................................................................................ 24
5.5 UART Interface .......................................................................................................................... 24
5.6 SPI Bus ......................................................................................................................................... 25
5.7 I2C Interface ............................................................................................................................. 25
5.8 General Purpose I/O, ADC and Quadrature Decoder ....................................................... 27
5.8.1 GPIO .............................................................................................................................. 27
5.8.2 Quadrature Decoder .................................................................................................. 27
5.8.3 ADC ............................................................................................................................... 27
5.8.4 APWM and FREQ signal output on upto xSIO pins .................................................. 27
5.9 nRESET pin .................................................................................................................................. 28
5.10 nAutoRUN pin ............................................................................................................................ 28