RF-Star RF-BT02 Manuel utilisateur

RF-BT02

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Shenzhen RF-star Technology Co., Ltd. Page 1 of 51

RF-BT02 Test Board User Guide

Version: 1.2

Shenzhen RF-star Technology Co., Ltd.

March 25th, 2021

              RF-BT02 
www.szrfstar.com                                                                         V1.2 - Mar., 2021 
Shenzhen RF-star Technology Co., Ltd.                                                                                                                    Page  2  of  51                        
 
Table of Contents 
Table of Contents................................................................................................................................................................ 2 
Table of Figures................................................................................................................................................................... 3 
Table of Tables..................................................................................................................................................................... 4 
1 Product Overview ........................................................................................................................................................... 5 
1.1 Functions and Resources............................................................................................................................... 5 
1.2 Adapter Modules ................................................................................................................................................ 6 
1.3 Pin Description.................................................................................................................................................... 7 
◆nRF52832/nRF52810 Series ............................................................................................................. 7 
◆nRF52805 Series..................................................................................................................................10 
◆EFR32BG22 Series .............................................................................................................................13 
◆CC2540/CC2541 Series ....................................................................................................................17 
◆CC2640R2F/CC2640R2L Series....................................................................................................20 
◆RS02A1-A Series..................................................................................................................................24 
◆RS02A1-B Series .................................................................................................................................27 
1.4 Schematic Diagram of RF-BT02................................................................................................................30 
2 Transparent Transmission Introduction for Use................................................................................................31 
2.1 Preparation of Hardware and Software...................................................................................................31 
◆EFR32BG22 Series .............................................................................................................................31 
◆nRF52832/nRF52810 Series ...........................................................................................................32 
◆nRF52805 Series..................................................................................................................................33 
◆CC254x, CC2640R2x and RS02A1-x Series ............................................................................34 
2.2 Transparent Transmission Test by APP (Android) ..............................................................................37 
3. MCU Reference Code (Transparent Transmission) ......................................................................................40 
3.1 Non-Flow Control Module.............................................................................................................................40 
3.2 Standard Hardware Flow Control Module..............................................................................................42 
4 Secondary Development ...........................................................................................................................................43 
4.1 Downloads Address of Writer, DK and SDK..........................................................................................43 
4.2 Pin Description during Burning...................................................................................................................44 
◆nRF52832/nRF52810 and nRF52805 Series............................................................................44 
◆EFR32BG22 Series .............................................................................................................................45 

              RF-BT02 
www.szrfstar.com                                                                         V1.2 - Mar., 2021 
Shenzhen RF-star Technology Co., Ltd.                                                                                                                    Page  3  of  51                        
◆CC254X, CC2640 and RS02A1-x Series....................................................................................46 
5 Trouble Shooting...........................................................................................................................................................49 
5.1 Unsatisfactory Transmission Distance ....................................................................................................49 
5.2 Vulnerable Module...........................................................................................................................................49 
5.3 High Bit Error Rate ..........................................................................................................................................49 
6 Revision History ............................................................................................................................................................50 
7 Contact Us.......................................................................................................................................................................51 
Table of Figures 
Figure 1. Function Area Distribution................................................................................................................... 5 
Figure 2. Pin Diagram RF-BT02 (Left) and RF-BM-ND08/RF-BM-08C (Right)................................ 7 
Figure 3. Pin Diagram RF-BT02 (Left) and RF-BM-ND09 (Right)........................................................10 
Figure 4. Pin Diagram RF-BT02 (Left) and RF-BM-BG22A1/A2/A3 (Right) ....................................13 
Figure 5. Pin Diagram RF-BT02 (Left) and RF-BM-S02/RF-BM-S02A/RF-BM-S02I (Right) ....17 
Figure  6.  Pin Diagram  RF-BT02  (Left)  and RF-BM-4044B2/RF-BM-4044B3/RF-BM-4055B1L 
(Right) .................................................................................................................................................................20 
Figure 7. Pin Diagram RF-BT02 (Left) and RSBRS02AA/RSBRS02AI (Right)..............................24 
Figure 8. Pin Diagram RF-BT02 (Left) and RSBRS02ABR/RSBRS02ABRI (Right) ....................27

              RF-BT02 
www.szrfstar.com                                                                         V1.2 - Mar., 2021 
Shenzhen RF-star Technology Co., Ltd.                                                                                                                    Page  4  of  51                        
 
Table of Tables 
Table 1. Function Area Description..................................................................................................................... 6 
Table 2. Table of Adapter Modules ..................................................................................................................... 6 
Table 3. Pin Correspondence between RF-BM-ND08 and RF-BT02 ................................................... 7 
Table 4. Pin Functions of RF-BM-ND08/RF-BM-ND08C ........................................................................... 8 
Table 5. Pin Correspondence between RF-BM-ND09 and RF-BT02 .................................................10 
Table 6. Pin Functions of RF-BM-ND09(A) ...................................................................................................11 
Table 7. Pin Correspondence between RF-BM-BG22A1/A2/A3 and RF-BT02 ..............................13 
Table 8. Pin Functions of RF-BM-BG22A1/A2/A3 ......................................................................................15 
Table  9. Pin  Correspondence  between  RF-BM-S02/RF-BM-S02A/RF-BM-S02I  and  RF-BT02
...............................................................................................................................................................................17 
Table 10. Pin Functions of RF-BM-S02/RF-BM-S02A/RF-BM-S02I ...................................................18 
Table 11. Pin Correspondence between RF-BM-4044B2/RF-BM-4044B3/RF-BM-4055B1L and 
RF-BT02 ............................................................................................................................................................20 
Table 12. Pin Functions of RF-BM-4044B2...................................................................................................21 
Table 13. Pin Correspondence between RSBRS02AA/RSBRS02AI and RF-BT02 .....................24 
Table 14. Pin Functions of RSBRS02AA/RSBRS02AI .............................................................................25 
Table 15. Pin Correspondence between RSBRS02ABR/RSBRS02ABRI and RF-BT02............27 
Table 16. Pin Functions of RSBRS02ABR/RSBRS02ABRI....................................................................28 
 
 
 
 
 
 
 

RF-BT02

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1 Product Overview

RF-BT02 development board is a complete set of test products formed by a serial port module and a USB to UART

baseboard for customer testing and development, which greatly reduces the difficulty of customers’ testing and

development. This user guide describes how to use the development board. For more information about our products,

please visit the official website: www.szrfstar.com.

1.1 Functions and Resources

The function area distribution is shown in Figure 1 and Table 1.

Figure 1. Function Area Distribution

RF-BT02

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Table 1. Function Area Description

Area

Name

Function

Module expansion area

The adapter modules are shown in Table 2.

Pin output area

All pins are pulled out, which is convenient for the test.

USB-to-UART area

USB-to-UART function can be used as a USB to TTL tool when

there is no module.

3.3 V power supply area

Output voltage 3.3 V / 5 V

Button function area

Reset by pushing buttons

1.2 Adapter Modules

Table 2. Table of Adapter Modules

EFR32BG22Cx

nRF52832/10

nRF52805

CC2640R2F/L

CC2540/1

RS02A1-A/B

RF-BM-BG22A1

RF-BM-ND08

RF-BM-ND09

RF-BM-4044B2

RF-BM-S02

RSBRS02AA

RF-BM-BG22A2

RF-BM-ND08C

RF-BM-ND09A

RF-BM-4044B3

RF-BM-S02A

RSBRS02AI

RF-BM-BG22A3

RF-BM-4055B1L

RF-BM-S02I

RSBRS02ABR

RSBRS02ABRI

RF-BT02

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1.3 Pin Description

◆nRF52832/nRF52810 Series

Figure 2 is the pin diagram of RF-BT02 and RF-BM-ND08/RF-BM-ND08C, Table 3 shows the pin correspondence

between the RF-BM-ND08/RF-BM-ND08C module and the development board, where A1 ~ A18 correspond to pin 2 ~

pin 19 of the module, Table 4 shows the detailed pin description of the RF-BM-ND08/RF-BM-ND08C. Please refer to the

appendix for detailed pin descriptions of other modules.

Figure 2. Pin Diagram RF-BT02 (Left) and RF-BM-ND08/RF-BM-08C (Right)

Table 3. Pin Correspondence between RF-BM-ND08 and RF-BT02

Outside Pins of

RF-BT02

Description

Inside Pins of

RF-BT02

Description

GND

GND. Need to short-circuit via the jumper.

VCC

VCC. Need to short-circuit via the jumper.

GND

P25

GND

Broadcast indicator (P17)

Reset

RESET (P21)

RF-BT02

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GND

Wake-up IO (P13)

GND

P28

GND

P27

GND

P26

B10

GND

A10

P09

B11

GND

A11

P10

B12

GND

A12

RESTORE (P19)

B13

GND

A13

P20

B14

GND

A14

RTS (P05)

B15

GND

A15

Module CTS. Need to short-circuit via the jumper.

(P07)

B16

RXD (CP2102)

A16

Module TX. Need to short-circuit via the jumper. (P06)

B17

TXD (CP2102)

A17

Module RX. Need to short-circuit via the jumper. (P08)

B18

GND

A18

P03

B19

GND

B20

VCC (5 V)

B21

VCC (3.3 V)

B22

RXD (CP2102)

B23

TXD (CP2102)

B24

RESET

B25

SWD (J-Link)

B26

SWC (J-Link)

B27

VCC (3.3 V)

B28

GND

Table 4. Pin Functions of RF-BM-ND08/RF-BM-ND08C

Name

Chip Pin

I/O

Description

GND

Ground

VCC

Power supply 1.7 V ~ 3.6 V, Recommend 3.3 V

P25

I/O

Status

indication

P17

Slave mode (including Beacon) connection status indicator: low

when connected, LED always on under connection.

RF-BT02

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RESET

P21

I/O

Reset pin, active low.

Wake-up IO

P13

It can wake up the module when the module is in sleep state.

Falling edge valid.

P28

I/O

P27

I/O

P26

I/O

A10

P09

I/O

A11

P10

I/O

A12

RESTORE

P19

Keep this pin at a low level for 3 s, all parameters are restored to

factory settings.

A13

P20

I/O

A14

RTS

P05

The module output signal (Standard hardware flow control: Require

To Send). When it is at a high level, the module serial port is busy,

and the MCU is not allowed to send data to the module serial port.

When it is at a low level, the MCU is allowed to send data to the

module serial port.

A15

CTS

P07

The module input signal (Standard hardware flow control: Clear To

Send). When it is at a high level, the MCU serial port is busy, and

the module will not send data to the MCU serial port. When it is at

a low level, the module will send data to the MCU serial port.

A16

P06

Serial port TX

A17

P08

Serial port RX

A18

P03

I/O

RF-BT02

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◆nRF52805 Series

The following figure 3 is the pin diagram of RF-BT02 and RF-BM-ND09 (bottom view). Table 5 shows the pin

correspondence between the module and the development board. Table 6 shows the module detailed pin description.

Figure 3. Pin Diagram RF-BT02 (Left) and RF-BM-ND09 (Right)

Table 5. Pin Correspondence between RF-BM-ND09 and RF-BT02

Outside Pins of

RF-BT02

Description

Inside Pins of

RF-BT02

Description

GND

VCC

GND

Reset

RESET

GND

P18

GND

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