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Description

SPBT2632C2A

6/27

Doc ID 022833 Rev 4

1 Description

The SPBT2632C2A.AT2 is an easy to use Bluetooth module, compliant with Bluetooth v3.0.

The module is the smallest form factor available which provides a complete RF platform. 
The SPBT2632C2A.AT2 enables electronic devices with wireless connectivity, not requiring 
any RF experience or expertise for integration into the final product. The 
SPBT2632C2A.AT2 module, being a certified solution, optimizes the time to market of the 
final applications.

The module is designed for maximum performance in a minimal space including fast speed 
UART and 7 general purpose I/O lines, several serial interface options, and up to 1.5 Mbps 
data throughput.

Optimized design allows the integration of a complete working Bluetooth modem, including 
antenna, in the minimum possible size; only an additional external LPO (low power 
oscillator) is required to enable low power mode capability.

The SPBT2632C2A.AT2 is a surface mount PCB module that provides fully embedded, 
ready to use Bluetooth wireless technology. The reprogrammable Flash memory contains 
embedded firmware for serial cable replacement using the Bluetooth SPP profile. 
Embedded Bluetooth AT2 command firmware is a friendly interface, which realizes a simple 
control for cable replacement, enabling communication with most Bluetooth enabled 
devices, provided that the devices support the SPP profile. The SPBT2632C2A.AT2 , 
supporting iAP profile, provides communication with Android, smartphone, and Apple

®

 iOS 

Bluetooth enabled devices.

An Apple authentication IC is required to exchange data with an Apple device or access an 
Apple device application. The AT2 FW includes the Bluetooth SPP profile capable of 
recognizing the Apple authentication chip.

Customers using the Apple authentication IC must register as developers to become an 
Apple certified MFI member. License fees may apply, for additional information visit: 
http://developer.apple.com/programs/which-program/index.html.

Certified MFI developers developing electronic accessories that connect to the iPod

®

iPhone

®

, and iPad

®

 gain access to technical documentation, hardware components, 

technical support and certification logos.

Customized firmware for peripheral device interaction, power optimization, security, and 
other proprietary features may be supported and can be ordered pre-loaded and configured.

Содержание SPBT2632C2A

Страница 1: ...tenna Multipoint capability ST micro Cortex M3 microprocessor up to 72 MHz Memory 256 kb Flash memory 48 kb RAM memory Data rate 1 5 Mbps maximum data rate Serial interface UART up to 2 0 Mbps SPI int...

Страница 2: ...conditions 10 5 2 Absolute maximum ratings 10 5 3 High speed CPU mode current consumption 11 5 4 Standard CPU mode current consumption 11 5 5 I O operating characteristics 12 5 6 Selected RF characte...

Страница 3: ...SPBT2632C2A Contents Doc ID 022833 Rev 4 3 27 7 6 External LPO input circuit 20 7 7 Apple iOS CP reference design 21 8 Regulatory compliance 23 9 Ordering information 25 10 Revision history 26...

Страница 4: ...10 Table 3 High speed CPU mode current consumption 11 Table 4 Standard CPU mode current consumption 11 Table 5 I O operating characteristics 12 Table 6 Selected RF characteristics 12 Table 7 Pin assi...

Страница 5: ...SPBT2632C2A AT2 module block diagram 15 Figure 5 Soldering profile 17 Figure 6 Connection to host device 17 Figure 7 Typical RS232 circuit 18 Figure 8 PCB layout guidelines 18 Figure 9 External reset...

Страница 6: ...emory contains embedded firmware for serial cable replacement using the Bluetooth SPP profile Embedded Bluetooth AT2 command firmware is a friendly interface which realizes a simple control for cable...

Страница 7: ...2 RoHS compliance ST modules are RoHS compliant and comply with ECOPACK norms 3 Applications Serial cable replacement M2M industrial control Service diagnostic Data acquisition equipment Machine cont...

Страница 8: ...fully supported to maximum allowed intervals Master slave switch supported during connection and post connection Dedicated inquiry access code for improved inquiry scan performance Dynamic packet sel...

Страница 9: ...SPBT2632C2A Software architecture Doc ID 022833 Rev 4 9 27 4 4 Bluetooth firmware implementation Figure 1 FW architecture V I 0...

Страница 10: ...mum ratings Table 1 Recommended operating conditions Rating Min Typical Max Unit Operating temperature range 40 85 C Supply voltage VIN 2 1 2 5 3 6 V Signal pin voltage 2 1 V RF frequency 2400 2483 5...

Страница 11: ...1 mA Connection no data traffic slave 11 2 mA Connection 375 ms sniff external LPO required 490 A Standby without deep sleep 8 6 mA Standby with deep sleep no external LPO 1 7 mA Standby with deep sle...

Страница 12: ...H High level input voltage 1 4 V VIN 2 1 V VOL Low level output voltage 0 4 V VIN 2 1 V VOH High level output voltage 1 8 V VIN 2 1 V IOL Low level output current 4 0 mA VOL 0 4 V IOH High level outpu...

Страница 13: ...ctive low ADC 0 I2 C clock aux UART Rx Y CTS I 11 Clear to send active low ADC 1 I2 C data aux UART Tx Y Boot loader Boot 0 I 9 Boot 0 Power and ground Vin 8 Vin GND 7 GND Reset RESETN I 10 Reset inpu...

Страница 14: ...Hardware specifications SPBT2632C2A 14 27 Doc ID 022833 Rev 4 5 8 Pin placement Figure 2 Pin placement 5 9 Layout drawing Figure 3 Layout drawing V MILLIMETERS 3IZE MM X MM X MM HEIGHT TOLERANCE MM V...

Страница 15: ...diagram Doc ID 022833 Rev 4 15 27 6 Hardware block diagram Figure 4 SPBT2632C2A AT2 module block diagram DWWHU RU 6XSSO 5HJXODWRU QWHQQD RVW RQWUROOHU QWHUIDFH 67 3 LOWHU 32 ORFN 6 3 0 ODVK 5 0 8 57...

Страница 16: ...e reflow installation The SPB2632C2A is a surface mount Bluetooth module supplied on a 16 pin 6 layer PCB The final assembly recommended reflow profiles are indicated here below The soldering phase mu...

Страница 17: ...current GPIO 1 to GPIO 7 are internally pulled down with 100 k nominal resistors 7 3 UART interface The UART is compatible with the 16550 industry standard Four signals are provided with the UART int...

Страница 18: ...Hardware design SPBT2632C2A 18 27 Doc ID 022833 Rev 4 Figure 7 Typical RS232 circuit 7 4 PCB layout guidelines Figure 8 PCB layout guidelines V SURROUNDING V...

Страница 19: ...et circuits are detailed below 7 5 1 External reset circuit Figure 9 External reset circuit Note RPU ranges from 30 k to 50 k internally 7 5 2 Internal reset circuit Figure 10 Internal reset circuit N...

Страница 20: ...ls Low 0 5 V High 1 8 V Input capacitance 2 5 pF maximum Configurations Use two configuration variables UseExtLPO and AllowSniff Figure 11 External LPO circuit Table 9 System configuration variables V...

Страница 21: ...pple iOS CP reference design The figures below give an indicative overview of what the hardware concept looks like A specific MFI co processor layout is available for licensed MFI developers from the...

Страница 22: ...Hardware design SPBT2632C2A 22 27 Doc ID 022833 Rev 4 Figure 14 Power switch V...

Страница 23: ...e that may cause undesired operation Modifications or changes to this equipment not expressly approved by the part responsible for compliance may render void the user s authority to operate this equip...

Страница 24: ...Wideband transmission systems data transmission equipment operating in the 2 4 GHZ ISM band and using wideband modulation techniques harmonized EN covering essential requirements under article 3 2 of...

Страница 25: ...SPBT2632C2A Ordering information Doc ID 022833 Rev 4 25 27 9 Ordering information Table 10 Ordering information Order code Description SPBT2632C2A AT2 Class 2 OEM Bluetooth antenna module...

Страница 26: ...able 11 Document revision history Date Revision Changes 03 Apr 2012 1 First release 16 Apr 2012 2 Modified Section 8 12 Jun 2012 3 Document status promoted from preliminary data to production data Mod...

Страница 27: ...WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT UN...

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