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This is information on a product in full production. 

August 2012

Doc ID 022833 Rev 4

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SPBT2632C2A

Bluetooth® technology class-2 module

Datasheet 

  production data

Features

Bluetooth® radio

– Fully embedded Bluetooth® v3.0 with 

profiles

– Class 2 module

– Complete RF ready module

– 128-bit encryption security

– Integrated antenna 

– 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 interface

General I/O

– 7 general purpose I/Os

– 1 LPO input

User interface

– AT2 command set (abSerial)

– Firmware upgrade over UART

FCC and Bluetooth® qualified

EPL (end product listing) fulfilled

Single voltage supply: 2.5 V typical

Micro-sized form factor: 11.6 x 13.5 x 2.9 mm

Operating temperature range: -40 °C to 85 °C.

          

www.st.com

Summary of Contents for SPBT2632C2A

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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