TYAUXJ Reset & Teardown (FCC ID 2ANDL-TYAUXJ)

DATASHEET 
TuyaSmartWi-Fi Module 
1. Product Overview
TYAUX_J is a low power consumption module with built-in Wi-Fi connectivity
solution designed by Hangzhou Tuya Information 
Technology Co., Ltd. for serial 
communication between 12V level and 3.3V level. The Wi-Fi Module consists of a highly 
integrated wireless radio chip RTL8710BN and some extra flash that has been programed with 
Wi-Fi network protocol 
and plenty of software examples. TYAUX_J in cludea ARM CM4F, 
WLAN MAC, 1T1R WLAN, maximum frequency reaches 125MHz, 256K SRAM, 2M 
byte flash and various per ipheral resources. 
TYAUX_J is a RT
OS platform, embedded with all the Wi -Fi MAC and TCP/IP protocol 
function examples, users can customize their Wi-Fi product by using these software examples. 
1.1 Features 
 Integrated low power consumption 32-bit CPU, also known as application
processor
 Basic frequency of the CPU can support 125 MHz
 Supply 
voltage range: 12V
 Peripherals: 1 UART
 Wi-Fi connectivity:
 802.11 B/G/N20/N40
 Channel
 1 to 11
 @ 2.4GHz
 Support WPA/WPA2
 +18±1dBm output power
 Support SmartConfig function for both Android and IOS devices
 Pass CE, FCC, SRRC certifications
 Operating temperature range: -20℃ to 85℃
1.2 Main ApplicationFields 
 Intelligent Building
 Intelligent home, Intelligent household applications
 Healthy devices
 Industrial wireless control
 Baby monitor
 Webcam
 Intelligent bus
DATASHEET 
2. D imensions and Footprint
2.1Dimensions 
TYAUX_J has 2 columns of Pins (2*7).The distance between each Pin is 2 mm. 
Size of TYAUX_J: 37.8mm(W)*21.7mm(L)*4.8mm(H) 
Figure 2 shows the dimensions of TYAUX_J. 
Figure 2.1. The dimensions of TYAUX _J 
2.2 Pin Definition 
Table 1 shows the generalpin attributes of TYAUX_J 
Table 1. The typical pin definitionof TYAUX_J 

DATASHEET 
PIN 
NO. 
NAME TYPE DISCREPTION 
1 GND P Ground 
4 TX I/O UART0_TXD 
5 RX I/O UART0_RXD 
12 VIN P Module 12V power input pin 
No
te: P: Power supply pins; I/O: Digital input or output pins; 
DATASHEET 
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 18 V 
Static electricity voltage 
(human model) 
TAMB-25℃ - 2 KV 
Static electricity voltage 
(machine model) 
TAMB-25℃ - 0.5 KV 
3.2 Electrical Conditions 
Table 3.2. Electrical Conditions 
PARAMETERS DESCRIPTION MIN TYPICAL MAX UNIT 
Ta Working temperature -20 - 85 ℃ 
VIN Working voltage 4.5 - 18 V 
VIL IO low level input -0.3 - 0.8 V 
VIH IO high level input 2.47 - 3.6 V 
VOL IO low level output - - 0.34 V 
VoH IO high level output 2.64 - 3.4 V 
Imax IO drive current - - 16 mA 
Cpad Input capacitor - 2 - pF 
3.3 Wi-Fi Transmitting Current Consumptions 
Table 3.3. Wi-Fi TX current consumption 
PARAMETERS MODE RATE Transmittingpower TYPICAL UNIT
IRF 11b 1Mbps +18.12dBm 287 mA
IRF 11g 6Mbps +18.89dBm 255 mA
IRF 11 n-HT20 MCS0 +18.72dBm 244 mA
IRF 11n-HT40 MCS0 +18.85dBm 220 mA
DATASHEET 
3.4 Wi-Fi Rece...