BTM256 BUDDIES | Alldatasheet
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 20
Technical content
Bluetooth Module Data Sheet Document Type: Bluetooth Module Datasheet Document Version: V1.0 Release Date: September 10 2013 Copyright 2012 by Buddies Technology Limited. All Rights Reserved. Reproduction of this document, in part of in whole, by any means is prohibited without written permission from Buddies Technology Limited. The information contained herein is believed to be accurate as of the date of publication. However, Buddies is not liable for any damages, including indirect or consequential from the use of software this document represents, or any reliance of the accuracy of this document. Buddies reserves the right to change the contents of this document at any time without notice. This document contains proprietary confidential trade secrets and may be subject to additional restrictions contained in the licensing agreement under which this document was obtained. http://www.buddies-tech.com BTM256 DATASHEET
Revision History
Date Version Description Author 2013-09-10 V1.0 n First Release http://www.buddies-tech.com BTM256 DATASHEET
1.1 B LOCK D IAGRAM 1.2 F EATURES 1.3 A PPLICATIONS 4.1 P OWER 5.1 A BSOLUTE M AXI MUM R ATINGS 5.2 R ECOMM ENDED O PERATING C ONDITIONS 5.3 P OWER CONSUMPTIONS http://www.buddies-tech.com BTM256 DATASHEET
- INTRODUCTION The BTM256 Bluetooth ® module is a perfect solution for smart phones and portable devices. It can be connected with any Bluetooth® devices in an operating range. It is slim and light so the designers can have better flexibilities for the product shapes. The BTM256 Bluetooth® module complies with Bluetooth® specification version 4.0(dual mode). It supports multiple profiles.It supports maximum bluetooth data rates over HCI UART interface and provides audio PCM interface for bluetooth. The detail information of BTM256 Bluetooth® module is presented in this document below.
1.1 Block Diagram
VBAT VDD_IO http://www.buddies-tech.com BTM256 DATASHEET
1.2 Features
ü Small overall dimension(7mm x 7mm x 1.4mm) ü Bluetooth Specification V4.0(dual mode) ü Class 1.5 support(high output power) ü Support multiple profiles ü Small size with low power consumption ü Supports maximum Bluetooth data rates over HCI UART interface ü Lead Free design which is compliant with RoHS requirements ü Physical connection as SMD type ü No radio signal interference, support for 802.11 co-existence ※ Some features are optional for customization on demand. http://www.buddies-tech.com BTM256 DATASHEET
1.3 Application
ü Smart Phones ü MID ü Portable Devices ü High Quality Stereo Bluetooth Headsets ü High Quality Wired Stereo Headset and Headphones ü Bluetooth Speakers http://www.buddies-tech.com BTM256 DATASHEET
- GENERAL SPECIFICATION General Specification Chip Set TI CC2564 Module ID BTM256 BT Standard Bluetooth V4.0 specification Frequency Band 2.402GHz~2.480GHz ISM Band Modulation FHSS,GFSK,DPSK,DQPSK Number of channels 79 channels for Classic Bluetooth 40 channels for Bluetooth Low Energy Baseband Crystal OSC 26MHz RF Input Impedance 50 ohms Host Interface l PCM l HCI UART Profile Multiple Profiles by Host Bluetooth Stack Operating Environment Temperature -40ºC to +85ºC Humidity 10%~95% Non-Condensing Environmental RoHS Compliant Bluetooth Specification Characteristics Condition TYP BT Spec. Unit Output Power Class 1.5 9.9 10.5 dBm dF1 avg 161 140 ~ 175 KHz dF2 max 129 >115 KHz Modulation GFSK dF2avg/dF1avg 86 80 % RMS DEVM 5 13 % %99 DEVM 10 20 % Modulation EDR @ 8DPSK Peaj DEVM 12 25 % GFSK@ BER=0.1% -91 -70 dBm ∏/4-DQPSK@ BER=0.1% -91 -70 dBm Sensitivity @ Dirty Tx On 8DPSK@ BER=0.1% -84 -70 dBm GFSK@ BER=0.1% -10 -20 dBm ∏/4-DQPSK@ BER=0.1% -10 -20 dBm Maximum Input Level 8DPSK@ BER=0.1% -10 -20 dBm http://www.buddies-tech.com BTM256 DATASHEET
3.PHYSICAL CHARACTERISTIC http://www.buddies-tech.com BTM256 DATASHEET
http://www.buddies-tech.com BTM256 DATASHEET
http://www.buddies-tech.com BTM256 DATASHEET
3.1 Pin Description
Pin# Pin Name Pad Type Description 1 HCI_CTS I HCI UART clear-to-send.
2 HCI_TX O HCI UART data transmit
3 HCI_RX I HCI UART data receive
4 HCI_RTS O HCI UART request-to-send.
5 GND Connect to Ground
6 FM_RX_ANT I No function, connect to ground
7 GND Connect to Ground
8 SLOW_CLK_IN I 32.768-kHz clock in
9 GND Connect to Ground
10 FM_AUD_OUT_L O No function, not connected
11 FM_AUD_OUT_R O No function, not connected
12 VBAT I Battery voltage input(3.0-4.8V)
13 GND Connect to Ground
14 BT_ANT IO Bluetooth RF IO
15 GND Connect to Ground
16 nSHUTD I Shutdown input (active low).
17 GND Connect to Ground
18 VDD_IO I I/O power supply 1.8 V Nom 19 AUD_IN I PCM data input. (NC if not used) 20 AUD_OUT O PCM data output. (NC if not used) 21 AUD_CLK IO PCM clock. (NC if not used) http://www.buddies-tech.com BTM256 DATASHEET
22 AUD_FSYNC IO PCM frame synch. (NC if not used)
23 IO1 IO BT_FUNCT1
24 TX_DBG O Logger output
25 GND Connect to Ground
26 GND Connect to Ground
27 GND Connect to Ground
28 GND Connect to Ground
29 GND Connect to Ground
30 GND Connect to Ground
31 GND Connect to Ground
32 GND Connect to Ground
33 GND Connect to Ground
http://www.buddies-tech.com BTM256 DATASHEET
3.2 Marking Description
http://www.buddies-tech.com BTM256 DATASHEET
- PHYSICAL INTERFACE
4.1 Power
Device Power Up/Down Sequencing nSHUTD VDD_IO VBAT SLOW CLOCK nSHUTD Requirements Parameter Sym Min. Max. Unit Operation mode level Vih 1.42 1.98 V Shutdown mode level Vil 0 0.4 V Minimum time for nSHUT_DOWN low to reset the device 5 ms Rise/fall times Tr/Tf 20 us 20uS max 2mS max Shut down before VDD_IO removed http://www.buddies-tech.com BTM256 DATASHEET
4.2 External clock reference
External Slow Clock signal characteristics Characteristics Condition Sym Min Typ Max Unit Input slow clock frequency 32768 Hz Input slow clock accuracy +/-250 ppm Input transition time tr/tf-10% to 90% tr/tf 100 ns Frequency input duty cycle 15% 50% 85% Phase noise At 1KHz_ -125 dBc/Hz Jitter Integrated over 300 to 15000Hz 1 Hz Vih 0.65*VDD_IO VDD_I O V peak Slow clock input voltage limits Square wave, DC coupled Vil 0 0.35*V DD_IO V peak Input impedance 1 Mohm Input capacitance 5 pF http://www.buddies-tech.com BTM256 DATASHEET
4.3 Audio Codec/PCM AUD_CLK AUD_IN/FSYNC_IN AUD_OUT/FSYNC_OUT
4.3.1 PCM Maste
Symbol Parameter Condition Min Max Unit Tclk Cycle time 62.5(16MHz) Tw High or low pulse width 40% of Tclk Tis AUD _IN setup time 8 Tih AUD _IN hold time 0 Tis AUD _FSYNC setup time 8 Tih AUD _FSYNC hold time 0 Top AUD _OUT propagation time 40pF load 0 21 ns
4.3.2 PCM Slave
Symbol Parameter Condition Min Max Unit Tclk Cycle time 62.5(16MHz) Tw High or low pulse width 40% of Tclk Tis AUD _IN setup time 8 Tih AUD _IN hold time 0 Tis AUD _FSYNC setup time 8 Tih AUD _FSYNC hold time 0 ns Tclk Tw Tw Tis Tih Top http://www.buddies-tech.com BTM256 DATASHEET
4.4 UART Interface Timing HCI_RTS HCI_RX HCI_CTS HCI_TX Symbol Characteristics Condition Min Type Max Unit Baudrate 37.5 4000 kbps Baudrate accuracy -2.5% 1.5% T3 CTS low to TX_DATA on 0 2 us T4 CTS high to TX_DATA off Hardware flow contoll 1 byte T6 CTS-high pulse width 1 bit T1 RTS low to RX_DATA on 0 2 us T2 RTS high to RX_DATA off 16 byte T1 T2 T3 T4 10 bits start bit stop bit http://www.buddies-tech.com BTM256 DATASHEET
- ELECTRICAL CHARACTERISTIC
5.1 Absolute Maximum Ratings
Symbol Description Min Max Unit VBAT Input Supply Voltage -0.5 5.5 V VDD_IO Digital Bluetooth I/O Voltage -0.5 2.145 V
5.2 Recommended Operating Ratings
Symbol Min. Typ. Max. Unit VBAT 2.2 3.3 4.8 V VDD_IO 1.62 1.8 1.92 V
5.3 Power consumptions
Test conditions: VBAT=3.3V; Temp=25 ºC Current @ VBAT Item Typ.(Target) Max. Unit idle + sleep 0.04 mA ACL 27 mA ACL sniff 6.8 mA ACL sniff + sleep 0.04 0.6 (peak) mA eSCO 2EV3(ACL connection on) 30 mA eSCO 2EV3 + ACL sniff 13.5 mA eSCO 2EV3 + ACL sniff + sleep 11.1 12.2 mA Inquiry_scan and page_scan 398 μA Inquiry_scan 99 μA page_scan 256 μA Adertising,nonconnectable (one time/1s) 107 μA Adertising,discoverable (one time/1s) 113 μA Scanning (one time/1s) 319 μA Connected (master role) (one time/500ms) 125 μA Table 1 Table 2 http://www.buddies-tech.com BTM256 DATASHEET
- RECOMMENDED TEMPERATURE REFLOW PROFILE The soldering profile depends on various parameters necessitating a set up for each application. The data here is given only for guidance on solder reflow. Peak Temperature : <250°C Number of Times : _2 times http://www.buddies-tech.com BTM256 DATASHEET
- PACKAGING INFORMATION 1. BLUETOOTH® Module: BTM256 http://www.buddies-tech.com BTM256 DATASHEET A l l r ight s a r e s t r ic t l y r es er v ed . A n y po r t io n o f t his pa p e r s ha l l no t b e r e pr o d u c ed , c o pied , o r translated to any other forms without permission from Buddies Technology Limited. 3. Dimension