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Zigbee module product specification

Table of Contents

1. Introduction

1.1 Purpose& Description

The DSM-020 is a low-power, embedded Zigbee module. The module consists of a EFR32MG13P732 highly integrated wireless RF processor chip and a small number of peripheral devices. It has a built-in 802.15.4 PHY/MAC Zigbee network protocol and a large number of library functions.
The DSM-020 embeds a low-power 32-bit ARM Cortex-M4 core, 512KByte Flash program memory, 64KB RAM data memory, and a wealth of peripheral resources.

The DSM-020 is a FreeRTOS platform that gathers all Zigbee MAC and TCP/IP libraries into one place. It enables users to build on the product and develop embedded Zigbee products that suit their individual needs.

1.2 Product Feature Summary

– A built-in low-power 32-bit ARM Cortex-M4 processor with a DSP instruction set and a floating point unit that doubles as an application processor

– Supports a main frequency of 40MHz

– Wide operating voltage: 1.8V-3.8V

– Peripherals: 9×GPIOs, 1×UART, 1×ADC

– Zigbee operating characteristics

  • Supports 802.15.4 MAC/PHY
  • Operating channels 11 to 26 @2.400-2.483GHz, air-interface rate 250Kbps
  • Built-in DC-DC circuit for maximum power efficiency
  • +19dBm maximum output, dynamic power output > 35dB
  • 63uA/MHz operating power consumption; 1.4 uA sleep current
  • Active net pairing with terminal devices
  • Built-in onboard PCB antenna/reserved Ipex connector for high gain external antenna
  • Operating temperature: -40℃ to 85℃
  • Supports hardware encryption and supports AES 128/256

1.3 Main Application Fields

  • Smart buildings
  • Smart homes/appliances
  • Smart plugs, smart lighting
  • Industrial wireless control
  • Health and measurements
  • Asset tracking

2. Mechanical Design

2.1 Module Dimensions

DSM-020 has 2 rows of pins with a 2mm gap.

Size: 16 mm(W)* 24mm(L) * 3.5mm(H)

zigbee module 1

2.2 Pin Definition

Pin number Symbol IO Type Function
1 nRST I Hardware reset pin, the chip is reset when the pin is LOW; Power-on reset of the module, the user can use this pin as needed
2 ADC AI ADC, 12-bit precision SAR analog to digital converter
3 NC - NC pin, external handling is not required
4 GPIO0 I/O GPIO pin usage.
5 SWO I/O GPIO pin usage/can be used as an output pin under JLINK communication.
6 PWM3 I/O GPIO pin usage.
7 PWM1 I/O GPIO pin usage.
8 VCC P Module power supply pin (common supply voltage: 3.3V)
9 GND P The reference ground of the module.
10 GPIO2 I/O GPIO pin usage.
11 SWDIO I/O JLINK SWDIO programming pin. Can be used as a GPIO pin in normal applications.
12 SWCLK I/O JLINK SWCLK programming pin. Can be used as a GPIO pin in normal applications.
13 PWM2 I/O GPIO pin usage.
14 GPIO3 I/O GPIO pin usage.

2.3 PCB Packaging

zigbee module 2
zigbee module 3

3. Electrical Characteristics

3.1 Absolute Electrical Characteristics

Parameters Description Minimum Value Maximum Value Unit
Ts Storage temperature -50 150
VCC Input voltage -0.3 3.8 V
Electrostatic discharge voltage
(human-body model)
TAMB-25℃ - 2.5 KV
Electrostatic discharge voltage
(machine model)
TAMB-25℃ - 0.5 KV

3.2 Operating conditions

Parameters Description Minimum
Ta Operating
-40 - 85
VCC Operating voltage 1.8 3.3 3.8 V
VIL I/O low input -0.3 - VCC*0.25 V
VIH I/O high input VCC*0.75 - VCC V
VOL I/O low output - - VCC*0.1 V
VOH I/O high output VCC*0.8 - VCC V
Imax I/O drive current - - 12 mA

3.3 Zigbee TX Power Consumption

Symbol Rate Transmission power Typical value Unit
IRF 250Kbps +19dBm 120 mA
IRF 250Kbps +13dBm 50 mA
IRF 250Kbps +10dBm 32 mA
IRF 250Kbps +4dBm 17 mA
IRF 250Kbps +1dBm 11.8 mA
Note: When testing the above data, the continuous transmission duty cycle=100%.

3.4 ZigBee RX Power Consumption

Symbol Rate Typical value Unit
IRF 250Kbps 8 mA

3.5 Power Consumption in Operating Mode

Operation Mode Operating condition,(Ta=25°C) Average
Quick configuration Module in quick configuration state 10 40 mA
Network connection
Connected to a network - - mA
Deep sleep mode Deep sleep mode and retains 64KB RAM 1.4 3 uA

4. RF Features

4.1 Basic RF Features

Parameter Description
Operating frequency 2.400 to 2.484GHz
Physical layer standard IEEE 802.15.4
Data transfer rate 250Kbps
Antenna type PCB antenna/Ipex connector external antenna
Line of sight >150m

4.2 ZigBee Output Power

Parameter Minimum
Typicalvalue Max Unit
Maximum output - 19 - dBm
Minimum output - -30 - dBm
Output power adjustment step - 0.5 1 dB
Frequency error -15 - 15 ppm
Output adjacent channel suppression - -31 - dBc

Note: The maximum output power is +19dBm. The power output can be adjusted under normal use. The high-power output can be used for overlay transmissions in extremely complex environments, such as modules embedded in the wall.

4.3 RF RX sensitivity

Parameter Minimum
PER<10%, RX sensitivity, [email protected] - -101 - dBm

5. Production Guide

The storage conditions for the module after it has been shipped are as follows:

  1. The moisture resistant bag must be stored at a temperature below 30℃, and under a relative humidity below 85%.
  2. The shelf life of dry packed products is 6 months following the packaged date important information.
  3. All line workers must wear anti-static wrist straps and anti-static clothing throughout the entire production process.
  4. It is strictly prohibited to allow a module to come into contact with water or other contaminants during operations.
Recommended Oven Temperature Profile
Wi Fi module 4

6. Package

Product type MOQ Packing method Number of Modules in Each Reel Pack Number of Reel Packs in Each Box
DSM-020 4000 Carrier tape and reel packing 800 5

7. Firmware for different devices

There are different firmware corresponding to different wireless device applications.

Wireless Devices Firmware version
Lighting DSM-020_Lighting.bin
Dimmer DSM-020_Dimmer.bin
Breaker DSM-020_breaker.bin
Switches DSM-020_Switch.bin
Plug DSM-020-Plug.bin
Strip DSM-020-Strip.bin
Smart Lock DSM-020-Lock.bin
Door sensor DSM-020-Door sensor.bin
Motion sensor DSM-020-Motion sensor.bin
Water Leakage sensor DSM-020-Water Leakage sensor.bin
Temp&Hum sensor DSM-020-Temp&Hum sensor.bin

8. How to connect cloud platform

8.1 ZigBee Connection

The devices need to connect to ZigBee gateway, and the gateway send the data to cloud.
zigbee module 4

8.2 MQTT configuration

1. Log in the gateway using browser
zigbee module 5

2. Switch to cloud configuration menu and fill in the MQTT credentials of your server.

zigbee module 6
Related MQTT API for different devices.
API Document
Lighting RB Gateway Platform Protocol
Dimmer RB Gateway Platform Protocol
Breaker RB Gateway Platform Protocol
Switches RB Gateway Platform Protocol
Plug RB Gateway Platform Protocol
Strip RB Gateway Platform Protocol
Smart Lock RB Gateway Platform Protocol
Door sensor RB Gateway Platform Protocol
Motion sensor RB Gateway Platform Protocol
Water Leakage sensor RB Gateway Platform Protocol
Temp&Hum sensor RB Gateway Platform Protocol

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