ST GS-BT2416C2DBAT1 Manual de usuario

October 2007 Rev 1 1/19

UM0472

User manual

Bluetooth class 2 evaluation boards

GS-BT2416C2DB and GS-BT2416C2DBAT1

Introduction

This user manual details the GS-BT2416C2DB.xxx which is a Bluetooth Class 2 evaluation

board for GS-BT2416C2.H and GS-BT2416C2.AT1 Bluetooth modules including an RF

antenna. The suffix xxx identifies the firmware release. There is no suffix for HCI

commands and AT1 is the suffix for AT commands.

The GS-BT2416C2DB is a board with downloaded FW which enables the user to interface

the Bluetooth module with HCI commands.

The GS-BT2416C2DBAT1 is a board with downloaded FW which enables the user to create

a Bluetooth link with simple AT commands. AT commands are sent by means of the serial

line which is accessible by the DB9 connector.

The GS-BT2416C2DB.xxx board can be supplied by an external 5 V DC source or via the

USB port.

Features

●Bluetooth V1.2 board

●Serial interface on DB9 connector

●USB connection

●PCB antenna on board

●Single 5 V supply voltage

●CE compliant

●FCC compliant

●FCC ID: S9N16C2

Figure 1. GS-BT2416C2DB.xxx board

www.st.com

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Contents UM0472

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Contents

1 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 I/O connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3 Board layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4 Board schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

5 Downloading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

6 Certifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

6.1 CE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

6.2 FCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

6.2.1 FCC Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

6.2.2 Label instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

7 Special requirements for modular application . . . . . . . . . . . . . . . . . . . 11

8 AT commands appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

8.1 Setup & connect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

8.2 Steps to connect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

8.3 Macro instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

8.4 Module BT address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

8.5 Point-to-point connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

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UM0472 Recommended operating conditions

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1 Recommended operating conditions

2 I/O connections

Table 1. Recommended operating conditions

Symbol Parameter Conditions Min Typ Max Unit

VDD Board supply voltage -20°C < T < 70°C 4 5 6 V

Tstg Operating ambient temperature -20 +70 °C

Table 2. Board connections

Description

J1 1 Boot signal - If connected to GND, the module can download – see also JP1

2 Reset signal - A low level on this pin forces the module to reset state - see also S3

USB Port

When the USB port is connected, the 5 V USB is used (by the 3.3 V regulator) to supply the BT module

and the board itself

When the USB port is used, do not supply an ext. 5 V to J4 power plug

The USB port is not used for AT version

Serial line port (DB9 male connector)

A level translator to adapt the BT module digital levels to the RS232 standard levels is present on the

board.

J4 Vcc Power supply plug (5 V)

When 5 V input is used on J4 plug, do not connect USB port

1GPIO15

2GPIO14

3GPIO13

4GPIO12

5GPIO11

6GPIO10

7GPIO9

8GPIO8

9GPIO7

10 GPIO 4

11 GPIO 3

12 GPIO 2

13 GPIO 0

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I/O connections UM0472

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JP1 Boot

If connected to GND the module can download

JP2 DB9 connector connection – see Figure 3: Board schematic on page 6

JP3 DB9 connector connection – see Figure 3: Board schematic on page 6

JP4 DB9 connector connection – see Figure 3: Board schematic on page 6

JP5 DB9 connector connection – see Figure 3: Board schematic on page 6

JP6 DB9 connector connection – see Figure 3: Board schematic on page 6

N.O. push button connected to BT module GPIO6; when activated a Low level is applied to GPIO6

otherwise GPIO6 is at High level.

Not used for AT commands version

S2 Switch connected to GPIO3 (10 KΩpull-up to 3.3 V)

In AT version this switch is used to select Command / Data mode

S3 Reset – Push button acting on the module reset pin

L1 LED connected to BT module GPIO1.

On AT version this LED shows when a Bluetooth connection is ON (LED ON)

L2 LED showing the presence of the 3.3 V internal voltage – Bluetooth module supply voltage

Table 2. Board connections (continued)

Description

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UM0472 Board layout

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3 Board layout

Figure 2. Board component layout

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Board schematic UM0472

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4 Board schematic

Figure 3. Board schematic

JP4

PC_RTS

JP5

JP3

PC_RX

PC_CTS J3

PC DTR

JP6

GND

PC DSR

JP2

22u

6.3V

GPIO5

USB CON.

GPIO1

GREEN R2

470 Ohm

10K

GPIO6

C11

D1 BYV10-60

Vext+5V

GND

PLUG

100n

+3.3V

U4 ST3232

C1- 3

C2+ 4

C2- 5

V- 6

T2out 7

R2in 8

R2out

9T2in

GND

T1out

14 C1+ 1

T1in

V+ 2

R1in

R1out

Vcc

PC_TX

C8 100n

C10 100n

100n

U2 74V1G66CTR

I/O

O/I

GND

3C4

Vcc 5

100n

RESET

BOOT J1

+3.3V

BT1

BLUETOOTH MODULE GS-BT2416C2

GPIO0

GPIO1

GPIO2

GPIO3

GPIO4

GPIO5

GPIO6

GPIO7

GPIO8

GPIO9

GPIO11

GPIO10

GPIO12

GPIO13

GPIO14

GPIO15

40 (JTAG1) TDI 1

(JTAG4) TDO 4

(JTAG2) TMS 2

(JTAG0) NTRST 3

(JTAG3) TCK 5

(I2C_DAT) I2C0 7

(I2C_CLK) I2C1 8

INT1 6

PCM_SYNC 10

PCM_CLK 9

PCM_A 12

PCM_B 11

USB_DN 21

USB_DP 22

(UART_RX) RXD 13

(UART_TX) TXD 14

(UART_CTS) CTS 15

(UART_RTS) RTS 16

SPI_FRM 17

SPI_CLK 18

SPI_TXD 19

SPI_RXD 20

VIN (VDDIO)

GND

RESET 23

BOOT 24

RF-GND

ANT

RF-GND

GREEN

470 Ohm

100n

ANT1

ANTENNA BLUETOOTH

JP1

GPIO5

NM = NOT MOUNTED

+3.3V

10K

+3.3V

Data

Command

U1 LD2985BM33R

Vin 1

GND 2

ByPass

4Vout

INHIBIT 3

USB +5V

FOR INTERNAL FLASH

PROGRAMMING

10u

6.3V

USB (D-)

USB (GND)

USB (D+)

USB (Vcc)

C12 39pF

10n

U3 USBUF01W6

1GND

2D2

3D3 4

3.3V 5

D4 6

100n

+3.3V

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UM0472 Downloading

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5 Downloading

The user has the possibility to download his own file to the GS-BT2416C2DB:

●connect the board to a PC using an RS232 cable connected to COM1 / COM2

●put a jumper on JP1 (Boot pin to low level)

●connect the power supply cable to the board at +5 V ext Vin

●open the "Flash loader" program

●choose UART in the Transportation layer section

●choose the appropriate COM1 / COM2 port

●choose the firmware to be downloaded in the "Firmware" section

Figure 4. Flash loader info

1. press start: on the dialog bar "reset the board" appears

2. power the board (a reset is generated): on the dialog bar the % of the downloading

appears.

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Certifications UM0472

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6 Certifications

6.1 CE

Measurements have been performed in accordance with (report available on request):

●EN 300 328 V 1.6.1 (2004-11): "Electromagnetic compatibility and radio spectrum

Matters (ERM); Wideband Transmission Systems; Data transmission equipment

operating in the 2.4GHZ ISM band and using wideband modulation techniques;

Harmonized EN covering essential requirements under article 3.2 of the R&TTE

directive"

●EN 301 489-17 V 1.2.1:2002: "Electromagnetic compatibility and radio spectrum

Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for radio equipment and

services; Part 17: Specific condition for 2.4 GHz wideband transmission systems and

5 GHz High performance RLAN equipment."

●EN 60950-1: "Information technology equipment - Safety - Part 1: General

requirements"

6.2 FCC

In order to comply with FCC CFR47 Part 15 regulations the following tests have been

performed:

Table 3. FCC tests

CFR47 part 15 section Title Result

15.203 15.247 (b) (4) (i) Antenna requirements pass

15.247 (a) Conducted emission pass

15.209 (a) (f) Radiated emission pass

15.247 (a) Frequency hopping –spread spectrum spec pass

15.247 (b) Maximum peak output power pass

15.247 (d) 100 kHz Bandwidth of frequency band edges pass

15.247 (d) Conducted emission pass

15.247 (e) Power spectral density pass

15.247 (g) FHSS transmission characteristics pass

15.247 (i) (§47CFR1.1307 (b)(1)) RF human exposure pass

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UM0472 Certifications

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This board has the following FCC ID: S9N16C2.

Figure 5. FCC ID position

6.2.1 FCC Statement

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two

conditions:

1. this device may not cause harmful interference, and

2. this device must accept any interference received, including interference that may

cause undesired operation.

Note: This equipment has been tested and found to comply with the limits for a Class B digital

device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide

reasonable protection against harmful interference in a residential installation. This

equipment generates, uses and can radiate radio frequency energy and, if not installed and

used in accordance with the instructions, may cause harmful interference to radio

communications.

However, there is no guarantee that interference will not occur in a particular installation.

If this equipment does cause harmful interference to radio or television reception, which can

be determined by turning the equipment off and on, the user is encouraged to try to correct

the interference by one or more of the following measures:

– Reorient or relocate the receiving antenna

– Increase the distance between the equipment and receiver

– Connect the equipment to an outlet on a circuit different from that to which the

receiver is connected

Consult the dealer or an experienced radio/TV technician for help.

●Antenna

Our board type GS-BT2416C2DB.xxx is for OEM integrations only. The end-user product

will be professionally installed in such a manner that only the authorized antennas are used.

●Caution

Any changes or modifications not expressly approved by the party responsible for

compliance could cause the module to cease to comply with FCC rules part 15, and thus

void the user's authority to operate the equipment.

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Certifications UM0472

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6.2.2 Label instructions

●Module type: Bluetooth class 2 board GS-BT2416C2DB.xxx (GS-BT2416C2.H or

GS-BT2416C2.AT1 module + PC 787 carrier board)

●FCC-ID: S9N16C2

The purpose of this section is to inform you how to specify the FCC ID of our Bluetooth

board GS-BT2416C2DB.xxx on your final product.

Based on the Public Notice from the FCC, the product in which the our transmitter module is

installed must display a label referring to the enclosed module.

The label should use wording such as "Contains Transmitter module FCC ID: S9N16C2” or

"Contains FCC ID: S9N16C2”. Any similar wording that expresses the same meaning may

be used (see Figure 6 below for an example).

Figure 6. FCC ID label

Contains FCC ID:

S9N16C2

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