WR5E User Manual
TuyaSmartWi-Fi Module
1. Product Overview
WR5E is a low power consumption module with built-in Wi-Fi connectivity solution
designed by Hangzhou Tuya Information Technology Co., Ltd. The Wi-Fi Module consists
of a highly integrated wireless radio chip RTL8710BX and some extra flash that has been
programed with Wi-Fi network protocol and plenty of software examples.WR5E include a
ARM CM4F, WLAN MAC, 1T1R WLAN, maximum frequency reaches 125MHz, 256K
SRAM, 1M byte flash and various peripheral resources.
WR5E is a RTOS platfor
examples, users can customize their Wi-Fi product by using these software examples.
1.1 Features
m, embedded with all the Wi-Fi MAC and TCP/IP protocol function
Integrated low power consumption 32-bit CPU, also known as application processor
Basic frequency of the CPU can support 125 MHz
Supply voltage range: 3V to 3.6V
Peripherals:9 GPIO channels, 1 UART, 1 ADC
Wi-Fi connectivity:
802.11 B/G/N20/N40
Channel 1 to 11 @ 2.4GHz
Support WPA/WP
Support Smart Config function for both Android and IOS devices
On-board PCB ant
Pass CE, FCC, SRRC certifications
Operating temperature range: -20℃ to 85℃
A2
enna
1.2 Main ApplicationFields
Intelligent Building
Intelligent home, Intelligent household applications
Healthy devices
Industrial wireless control
Baby monitor
Webcam
Intelligent bus
WR5E User Manual
2. Dimensions an d F oot pr in t
2.1Dimensions
WR5E has 2 columns of Pins (2*8).The distance between each Pin is2 mm.
Size of WR5E: (16±0.25) mm (W)×(24.74±0.25) mm (L) ×(3.6±0.1) mm (H)
2.2 Pin Definition
Table 1 shows the generalpin attributes of WR5E
Table 1. The typical pin definition of WR5E
PIN
NO.
1
2
3
4
5
6
7
8
9
10
11
12 GPIOA_19 I/O GPIOA_19
13 GPIOA_29 I/O UART_Log_RXD
NAME TYPE DISCREPTION
GPIOA_23 I/O UART0_TXD
GPIOA_12 I/O GPIOA_12
GPIOA_18 I/O UART0_RXD
GPIOA_14 I/O GPIOA_14
GPIOA_22 I/O GPIOA_22
GPIOA_30 I/O UART_Log_TXD
GPIOA_0 I/O GPIOA_0
GPIOA_5 I/O GPIOA_5
GPIOA_15 I/O GPIOA_15
Note: S: Pow
ADC,Max5V
er supply pins; I/O: Digital input or output pins; AI: Analog input.
3. Electrical Characteristics
3.1 Absolute Maximum Ratings
Table 3.1. Absolute Maximum Ratings
PARAMETERS DESCRIPTION MIN MAX UNIT
Ts Storage temperature -40 125
VCC Supply voltage -0.3 3.6 V
Static electricity voltage
(human model)
Static electricity voltage
(machine model)
3.2 Electrical Conditions
WR5E User Manual
TAMB-25℃
TAMB-25℃
℃
- 2 KV
- 0.5 KV
Table 3.2. Electrical Conditions
PARAMETERS DESCRIPTION MIN TYPICAL MAX UNIT
Ta Working temperature -20 - 85
VCC Working voltage 3 3.3 3.6 V
VIL IO low level input -0.3 - VDD*0.25 V
VIH IO high level input VDD*0.75 - VDD V
VOL IO low level output - - VDD*0.1 V
VoH IO high level output VDD*0.8 - V V
Imax IO drive current - - 16 mA
Cpad Input capacitor - 2 - pF
℃
WR5E User Manual
3.3 Wi-Fi Receiving Current Consumptions
Table 3.3. Wi-Fi RX current consumption
PARAMETERS MODE TYPICAL UNIT
IRF CPU sleep 90 mA
IRF CPU active 120 mA
3.4 Working Mode Current Consumptions
Table 3.4. The module working current consumption
WORK MODE
AT TA=25
TYPICAL MAX* UNIT
EZ Mode WR5E is under EZ paring mode, Wi-Fi indicator
light flashes quickly
Standby Mode WR5E is connected, Wi-Fi indicator light is on
Operation Mode WR5E is connected, Wi-Fi indicator light is on
Disconnection
Mode
Note: peak continuous time is about 5us.
The parameter shown above will vary depending on different firmware functions.
WR5E is disconnected, Wi-Fi indicator light is
off
4. WLAN Radio Specification
4.1 Basic Radio Frequency Characteristics
Table 41.Basic Radio frequency characteri stics
PARAMETERS DESCRIPTION
Frequency band 2412MHz-2462MHz
Wi-Fi standard IEEE 802.11n/g/b (Terminal 1-11)
Data transmitting rate 11b:1,2,5.5,11(Mbps)
11g:6,9,12,18,24,36,48,54(Mbps)
11n:HT20,MCS0~7
11n:HT40,MCS0~7
Antenna type On-board PCB Antenna
115 125
60 209
118 198
34 192
mA
mA
mA
mA