ST SPBT2632C2A Manual
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ST SPBT2632C2A Manual

Bluetooth technology class-2 module
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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.
August 2012
This is information on a product in full production.
Bluetooth® technology class-2 module
Doc ID 022833 Rev 4
SPBT2632C2A
−
Datasheet
production data
1/27
www.st.com
27

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Summary of Contents for ST SPBT2632C2A

  • Page 1 – 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 ■...

  • Page 2: Table Of Contents

    Contents SPBT2632C2A Contents Description ..........6 RoHS compliance .
  • Page 3 SPBT2632C2A Contents External LPO input circuit ........20 Apple iOS CP reference design .
  • Page 4 List of tables SPBT2632C2A List of tables Table 1. Recommended operating conditions ......... 10 Table 2.
  • Page 5 SPBT2632C2A.AT2 module block diagram ........

  • Page 6: Description

    Description SPBT2632C2A 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.

  • Page 7: Rohs Compliance

    SPBT2632C2A RoHS compliance RoHS compliance ® ST modules are RoHS compliant and comply with ECOPACK norms. Applications ● Serial cable replacement ● M2M industrial control ● Service diagnostic ● Data acquisition equipment ● Machine control ● Sensor monitoring ● Security system ●...

  • Page 8: Software Architecture

    Software architecture SPBT2632C2A Software architecture Lower layer stack ● Bluetooth v3.0 ● Device power modes: active, sleep and deep sleep ● Wake on Bluetooth feature optimized power consumption of host CPU ● Authentication and encryption ● Encryption key length from 8 bits to 128 bits ●...

  • Page 9: Bluetooth Firmware Implementation

    SPBT2632C2A Software architecture Bluetooth firmware implementation Figure 1. FW architecture Doc ID 022833 Rev 4 9/27...

  • Page 10: Hardware Specifications

    Hardware specifications SPBT2632C2A Hardware specifications General conditions (V = 2.5 V and 25 °C). Recommended operating conditions Table 1. Recommended operating conditions Rating Min. Typical Max. Unit Operating temperature range °C Supply voltage V Signal pin voltage RF frequency 2400 2483.5...

  • Page 11: High Speed Cpu Mode Current Consumption

    SPBT2632C2A Hardware specifications High speed CPU mode current consumption ● High speed CPU mode – CPU 32 MHz – UART supports up to 921 Kbps – Data throughput up to 1.5 Mbps – Shallow sleep enabled. Table 3. High speed CPU mode current consumption Modes (typical power consumption) Avg.

  • Page 12: I/O Operating Characteristics

    Hardware specifications SPBT2632C2A Table 4. Standard CPU mode current consumption (continued) Modes (typical power consumption) Avg. Unit Standby, with deep sleep, with external LPO µA Page/inquiry scan, with deep sleep, no external LPO Page/inquiry scan, with deep sleep, with external LPO µA...

  • Page 13: Pin Assignment

    SPBT2632C2A Hardware specifications Pin assignment Table 7. Pin assignment Name Type Pin# Description ALT function tolerant UART interface Receive data ADC 3 Transmit data ADC 2 ADC 0 I C clock/aux UART Request to send (active low) ADC 1 I...

  • Page 14: Pin Placement

    Hardware specifications SPBT2632C2A Pin placement Figure 2. Pin placement Layout drawing Figure 3. Layout drawing 14/27 Doc ID 022833 Rev 4...

  • Page 15: Hardware Block Diagram

    SPBT2632C2A Hardware block diagram Hardware block diagram Figure 4. SPBT2632C2A.AT2 module block diagram Doc ID 022833 Rev 4 15/27...

  • Page 16: Hardware Design

    SPBT2632C2A Hardware design The SPBT2632C2A module without AT2 command embedded FW supports UART, SPI, I and GPIO hardware interfaces. Note that the usage of these interfaces is dependent upon the firmware that is loaded into the module, and is beyond the scope of this document. The AT2 command interface uses the main UART by default.

  • Page 17: Gpio Interface

    SPBT2632C2A Hardware design Figure 5. Soldering profile GPIO interface All GPIOs are capable of sinking and sourcing 4 mA of I/O current. GPIO [1] to GPIO [7] are internally pulled down with 100 kΩ (nominal) resistors. UART interface The UART is compatible with the 16550 industry standard. Four signals are provided with the UART interface.

  • Page 18: Pcb Layout Guidelines

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

  • Page 19: Reset Circuit

    SPBT2632C2A Hardware design Reset circuit Two types of system reset circuits are detailed below. 7.5.1 External reset circuit Figure 9. External reset circuit Note: RPU ranges from 30 kΩ to 50 kΩ internally. 7.5.2 Internal reset circuit Figure 10. Internal reset circuit Ω...

  • Page 20: External Lpo Input Circuit

    Hardware design SPBT2632C2A External LPO input circuit An optional low power oscillator input may be added to allow Deep sleep and Sniff modes. ● LPO parameters: – Frequency: 32.768 kHz – Tolerance: 150 ppm – Voltage levels – Low: 0.5 V –...

  • Page 21: Apple Ios Cp Reference Design

    SPBT2632C2A Hardware design Apple 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 MFI program. Figure 12. BT module Figure 13.

  • Page 22: Figure 14. Power Switch

    Hardware design SPBT2632C2A Figure 14. Power switch 22/27 Doc ID 022833 Rev 4...

  • Page 23: Regulatory Compliance

    – Modular approval, FCC and IC FCC ID: X3ZBTMOD4 IC: 8828A-MOD4 In accordance with FCC part 15, the SPBT2632C2A.AT2 is listed above as a modular transmitter device. – Label instructions When integrating the SPBT2632C2A.AT2 into the final product, it must be ensured that the FCC labelling requirements, as specified below, are satisfied.
  • Page 24 Regulatory compliance SPBT2632C2A ● – CE Expert opinion: 0448-ARAM00003 – Measurements have been performed in accordance with (report available on request): – EN 300 328 V 1.7.1 (2006-10) – EN 301 489-17 V 2.1.1 (2009) – EN60950-1:2006 +A11:2009+A1:2010 CE certified: a.

  • Page 25: Ordering Information

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

  • Page 26: Revision History

    Revision history SPBT2632C2A Revision history Table 11. Document revision history Date Revision Changes 03-Apr-2012 First release. 16-Apr-2012 Modified: Section 8 – Document status promoted from preliminary data to production data 12-Jun-2012 – Modified: Figure 1 – Added: notes in Table 6 07-Aug-2012 –...
  • Page 27 No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein.

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