Introduction

For convenient development of applications with Quectel HCM511S, Quectel supplies the corresponding development board (HCM511S-TE-B) for module testing. This document can help you quickly understand HCM511S-TE-B interface specifications, RF characteristics, electrical and mechanical details and how to effectively use it.

Product Overview

HCM511S-TE-B is a Bluetooth development board that supports a series of interfaces. It can be used for testing basic functionalities and developing HCM511S.

Top and Bottom Views

Component Placement

Component Information：

Component	RefDes.	Description
Module	U0103	HCM511S module
LDO	U0102	5 V to 3.3 V
USB-to-UART Bridge	U0101	USB-to-UART bridge
Power Supply Interfaces	J0101	USB Type-C power supply interface
Power Supply Interfaces	J0103	Positive electrode of external power supply interface (+5 V)
Power Supply Interfaces	J0104	Negative electrode of external power supply interface (GND)
Power Supply Interfaces	J0108	VBAT jumper interface
Power Switch	S0102	VBAT ON/OFF control
Reset Button	S0101	Resets the module via J0114
USB Interface	J0101	Connects to USART interface of the module via U0101 and J0110
Status LEDs	D0104	Indicates VBAT ON/OFF status
Status LEDs	D0102	Indicates USART status
Debug Interfaces	J0109	3-pin SWD interface
Debug Interfaces	J0105	20-pin JTAG interface
Debug Interfaces	J0102	10-pin mini simplicity interface
Test Points	J0106	Tests the module power consumption by connecting an external programmable power supply
Test Points	J0107，J0113, J0115	Test basic functions
PA03 Jumper Interface	J0112	Connections between different jumper pins for J0105/J0102
SWD Jumper Interface	J0111	Connections between different jumper pins for J0105/J0102
USART Jumper Interface	J0110	Connections between different jumper pins for U0101/J0102
Reset Jumper Interface	J0114	Connections between different jumper pins for S0101/J0105/J0102
PA04 Jumper Interface	J0116	Connections between jumper pins for J0105
PC04 Jumper Interface	J0125	Connections between jumper pins for J0102
PC05 Jumper Interface	J0126	Connections between jumper pins for J0102

NOTE：

See Chapter 4 for details of pins connection of each jumper interface in the table above.

Kit Accessory & Assembly

Kit Accessory

Accessory List:

Items	Description	Quantity (pcs)
Cable	USB Type-C cable	1

Kit Assembly

Interface Applications

This chapter outlines the information and applications of some hardware interfaces of HCM511S-TE-B.

Power Supply Interfaces

The simplified schematic of HCM511S-TE-B is shown in the following figure.

Power Switch and Reset Button

HCM511S-TE-B includes one power switch (S0102) and one reset button(S0101) as shown in the following figure.

Description of Power Switch and Reset Button:

RefDes.	Description
S0101	Resets the module via J0114
S0102	VBAT ON/OFF control
J0114	Connects Module to KEY

USB Interface

HCM511S-TE-B integrates J0101 (USB interface) connecting to the module's USART interface via U0101 (USB-to-UART bridge) for USB-to-UART connection, with the jumpers on J0110 as shown in the following figure.

J0101 supports 115200 bps baud rate by default. It is intended for data transmission between the module and the host. It can also be used for AT command communication and debugging.

Description of USB-to-UART Connection:

RefDes.	Description
U0101	USB-to-UART bridge
J0101	USB interface
J0110	Connects pin 1 to pin 3
J0110	Connects pin 2 to pin 4

Debug Interfaces

The module supports J0109 (SWD interface), J0105 (JTAG interface) and J0102 (mini simplicity connector) for flash programming and normal debugging.

Description of Debug and Jumper Interfaces:

RefDes.	Description
J0109	3-pin SWD interface
J0105	20-pin JTAG interface
J0102	10-pin mini simplicity interface
J0108	Connects VBAT to JTAG for JTAG connection
J0108	Connects VBAT to MINI for mini simplicity connection
J0116	Connects JTAG_TDI to PA04 for JTAG connection
J0112	Connects PA03 to JTAG_SWO for JTAG connection
J0112	Connects PA03 to SWO for mini simplicity connection
J0114	Connects Module to JTAG for JTAG connection
J0114	Connects Module to KEY for mini simplicity connection
J0111	Connects pin1 to pin 3 and pin 2 to pin 4 for JTAG connection
J0111	Connects pin 4 to pin 6 and pin 3 to pin 5 for mini simplicity connection
J0110	Connects pin 4 to pin 6 and pin 3 to pin 5 for mini simplicity connection
J0125	Connects pin 1 to pin 2 for mini simplicity connection
J0126	Connects pin 1 to pin 2 for mini simplicity connection

When you use J0109 (SWD interface), connect pin 1 (GND), pin 2 (SWDIO) and pin 3 (SWCLK) of J0109 to JTAG downloader as below:

When you use J0105 (JTAG interface), place the jumper as shown below,and connect the JTAG downloader to PC through a USB type-C cable.

When you use J0102 (mini simplicity interface), place the jumper as shown below, and connect the J-link debugger (SI-DBG1015A) to PC through a USB type-C cable.

RF Interfaces

Test the conductivity through the concentric circle on the bottom side.Weld the RF coaxial cable as shown below.

Before testing the conductivity, you must remove the shielding cover of the module and matched resistor and capacitor to disconnect the matching circuit of the PCB antenna. The matched resistor and capacitor are shown as below.

Test Points

HCM511S-TE-B features a series of test points (J0106, J0107, J0113, J0115), which are illustrated in the following figure, and these test points can help you to obtain the corresponding waveform of some signals.

To test the module's power consumption, disconnect the resistor indicated by the red arrow and connect pin 1 of J0106 to the negative pole and pin 2 of J0106 to the positive pole for the programmable power supply.

Pin Description of Test Points:

J0106:

Pin No.	Pin Name	Description
1	GND	Connects these two pins to an external programmable power supply to test the module power consumption
2	VBAT	Connects these two pins to an external programmable power supply to test the module power consumption

J0107:

Pin No.	Pin Name	Description
1	-	Connected directly to module's GPIO14
2	-	Connected directly to module's GPIO13

J0113:

Pin No.	Pin Name	Description
1	PA00	Connected directly to module's GPIO1
2	PB00	Connected directly to module's GPIO6
3	PB01	Connected directly to module's GPIO7
4	PB02	Connected directly to module's GPIO8
5	PC02	Connected directly to module's GPIO9

J0115:

Pin No.	Pin Name	Description
1	PC03	Connected directly to module's GPIO10
2	PA05	Connected directly to module's GPIO4
3	PA06	Connected directly to module's GPIO5

NOTE:

See document [1] for details of module pin names and definitions in the above table.

Status LEDs

HCM511S-TE-B comprises 2 status LEDs, which are presented in the following figure.

Description of Status LEDs:

RefDes.	Description	Comment
D0102	Indicates USART status	Light on: power on Flicker: data transmission
D0104	VBAT ON/OFF indicator	Light on: power on Light off: power off

Operating Procedures

This chapter outlines how to use the HCM511S-TE-B for testing and evaluating the module.

Power Up

1. Connect J0101 (USB interface) of HCM511S-TE-B to the PC with the USB Type-C cable.
2. Switch S0102 (Power Switch) to ON state, then D0104 (VBAT ON/OFF indicator) will light up.

Communication via USB Connector

1. Turn on the module according to the procedures referred to in Chapter 5.1.
2. The USB serial port number can be viewed through the PC Device Manager, as shown below.

3. Use the QCOM tool provided by Quectel to establish communication between the module and the PC via J0101 (USB interface). The following figure shows the field for setting the COM port on QCOM.Select the "COM port" (USB serial port) and set the correct "Baudrate". For more details about QCOM tool usage and configuration, see document [2].

Firmware Upgrade

You can use the JFlash tool provided by Quectel to establish the communication between the module and the PC via J0109 (SWD interface) or J0105 (JTAG interface).

NOTE:

Contact Quectel Technical Support for the JFlash tool. For more details about JFlash tool usage and configuration, see document [3].

Reset

To reset the module, first connect Module to KEY of J0114 (reset jumper interface), and then press and hold S0101 (reset button) for more than 100 ms before releasing it.

Appendix References

Related Documents:

Document Name
[1]Quectel_HCM511S_Hardware_Design
[2]Quectel_QCOM_User_Guide
[3]Quectel_HCM511S_Test_Guide

Terms and Abbreviations:

Abbreviation	Description
COM	Communication
ETM	Embedded Trace Module (Macrocell)
GND	Ground
GPIO	General Purpose Input/Output
IC	Integrated Circuit
JTAG	Joint Test Action Group
LDO	Low-dropout Regulator
LED	Light Emitting Diode
PC	Personal Computer
RF	Radio Frequency
RXD	Receive Data (Pin)
SWD	Serial Wire Debug
SWO	Serial Wire Output
TXD	Transmit Data (Pin)
UART	Universal Asynchronous Receiver & Transmitter
USB	Universal Serial Bus
VBAT	Voltage at Battery (Pin)

Module Flash And OTA Upgrade Tutorial

Hardware Design