Hangzhou Tuya Information Technology TYAUXF Wi-Fi Module User Manual

Hangzhou Tuya Information Technology Co.,Ltd Wi-Fi Module

Contents

User Manual

TYAUX_FDATASHEET
Tuya Smart Wi-Fi Module
1. Product Overview
TYAUX_F 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 W302 I2E77P1 and some extra flash that has
been programed with Wi-Fi network protocol and plenty of software examples. TYAUX_F
include a ARM CM4F, WLAN MAC, 1T1R WLAN, maximum frequency reaches 125MHz,
256K SRAM, 2M byte flash and various peripheral resources.
TYAUX_F is a RTOS 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: 3V to 3.6V
Peripherals: 7 GPIO channels, 1 UART
Wi-Fi connectivity:
802.11 B/G/N20/N40
Channel 1 to 11 @ 2.4GHz
Support WPA/WPA2
Support Smart Config function for both Android and IOS devices
Pass CE, FCC, SRRC certifications
Operating temperature range: -20 to 85
1.2 Main Application Fields
Intelligent Building
Intelligent home, Intelligent house hold applications
Healthy devices
Industrial wireless control
Baby monitor
Webcam
Intelligent bus
TYAUX_FDATASHEET
2. Dimensions and Footprint
2.1 Dimensions
TYAUX_F has 2 columns of Pins (2*7).The distance between each Pin is 2 mm.
Size of TYAUX_F: 17.7mm(W)*30mm(L)*3.6mm(H)
Figure 2.1 shows the dimensions of TYAUX_F.
Figure 2.1. The dimensions of TYAUX_F
2.2 Pin Definition
Table 1 shows the general pin attributes of TYAUX_F
Table 1. The typical pin definition of TYAUX_F
PIN
NO.
NAMETYPEDISCREPTION
1 GND P Ground
2 VD33 P Supplyvoltage(3.3V)
3 EN I/O
Externalresetsingal(lowleveleffects)
4 TX I/O UART0_TXD
5 RX I/O UART0_RXD
6 A_0 I/O
GPIOA_0,cannotbepullupwhilebooting,canbeusedasGPIO
whileinnormalworkingmode
TYAUX_FDATASHEET
7 A_12 I/O
GPIOA_12,hardwarePWM
8 A_5 I/O
GPIOA_5,hardwarePWM
9 A_19 I/O GPIOA_19
10 A_22 I/O GPIOA_22
11 A_30 I/O UART_Log_TXD(usedtoprintmodule'sinternalinformation)
12 A_29 I/O UART_Log_RXD(usedtoprintmodule'sinternalinformation)
Note: P: Power supply pins; I/O: Digital input or output pins; AI: Analog input.
TYAUX_FDATASHEET
3. Electrical Characteristics
3.1 Absolute Maximum Ratings
Table 3.1. Absolute Maximum Ratings
PARAMETERSDESCRIPTIONMINMAXUNIT
TsStoragetemperature‐40105
VCCSupplyvoltage 3.0
3.6V
Staticelectricityvoltage
(humanmodel)
TAMB25‐ 2KV
Staticelectricityvoltage
(machinemodel)
TAMB25‐ 0.5KV
3.2 Electrical Conditions
Table 3.2. Electrical Conditions
PARAMETERSDESCRIPTIONMINTYPICAL MAXUNIT
TaWorkingtemperature 20‐85
VCCWorkingvoltage3.0 3.6V
VILIOlowlevelinput 0.3‐VDD*0.25V
VIHIOhighlevelinputVDD*0.75 ‐ 3.6V
VOLIOlowleveloutput VDD*0.1V
VoHIOhighleveloutputVCC*0.8‐VCCV
ImaxIOdrivecurrent 16mA
CpadInputcapacitor 2pF
3.3 Wi-Fi Transmitting Current Consumptions
Table 3.3. Wi-Fi TX current consumption
PARAMETERSMODERATETransmittingpowerTYPICALUNIT
IRF11b1Mbps +22.00dBm287mA
IRF11g6Mbps+24.06dBm255mA
IRF11
n-HT20 MCS0 +23.05dBm244mA
IRF 
11n-HT40
MCS0+22.76dBm220mA
TYAUX_FDATASHEET
3.4 Wi-Fi Receiving Current Consumptions
Table 3.4. Wi-Fi RX current consumption
PARAMETERSMODETYPICALUNIT
IRFCPUsleep90mA
IRFCPUactive120mA
3.5 Working Mode Current Consumptions
Table 3.5. The module working current consumption
WORKMODEATTA=2 5 TYPICALMAX*UNIT
EZModeTYAUXFisunderEZparingmode,WiFi
indicatorlightflashesquickly
115125mA
StandbyModeTYAUXFisconnected,WiFiindicatorlightison 60209mA
OperationModeTYAUXFisconnected,WiFiindicatorlightison 118198mA
Disconnection
Mode
TYAUXFisdisconnected,WiFiindicatorlight
isoff
34192mA
Note: peak continuous time is about 5us.
The parameter shown above will vary depending on different firmware functions.
4. WLAN Radio Specification
4.1 Basic Radio Frequency Characteristics
Table 4.1.Basic Radio frequency characteristics
PARAMETERSDESCRIPTION
Frequencyband2.412GHzto2.462GHz
WiFistandardIEEE802.11n/g/b(Terminal111)
Datatransmittingrate11b:1,2,5.5,11(Mbps)
11g:6,9,12,18,24,36,48,54(Mbps)
11n:HT20,MCS0~7
11n:HT40,MCS0~7
AntennatypeOnboardPCBAntenna
4.2Wi-Fi Receiving Sensitivity
Table 4.2. Wi-Fi Receiving sensitivity
PARAMETERSMIN TYPICALMAXUNI
T
PER<8%,Receivingsensitivity,802.11bCCKMode11M ‐ ‐91‐dBm
PER<10%,Receivingsensitivity,802.11gOFDMMode 54M ‐ ‐75‐dBm
PER<10%,Receivingsensitivity,802.11nOFDMMode MCS7 ‐ ‐72‐dBm
TYAUX_FDATASHEET
5. Antenna Information
5.1 Antenna Type
Antenna can be connected using On-board PCB antenna.
5.2 Reduce Antenna Interference
While using the On-board PCB antenna, in order to have the best Wi-Fi performance,
it’s recommended to keep a minimum15mm distance between the antenna part and the other
metal pieces.
TYAUX_FDATASHEET
6. Packaging Information And Production Guide
6.1 Mechanical Dimensions
Figure 6.1. Top view of the module
TYAUX_FDATASHEET
6.3 Production Guide
The storage for the delivered module should meet the following condition:
1. The anti-moisture bag should be kept in the environment with temperature< 30 and
humidity< 85% RH.
2. The expiration date is 6 months since the dry packaging products was sealed.
Cautions:
1. All the operators should wear electrostatic ring in the whole process of production.
2. While operating, water and dirt should not have any contact with the modules.
6.4 Recommended furnace temperature curve
Figure 6.4. PCB Package Drawing Recommended furnace temperature curve
6.2.PCB Recommended Package
Figure 6.3. PCB schematic Drawing
TYAUX_FDATASHEET
FCC Statement
Any Changes or modifications not expressly approved by the party responsible
for compliance could void the users authority to operate the equipment.
This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that
may cause undesired operation.
FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled
environment .This equipment should be installed and operated with minimum distance 20cm
between the radiator& your body.
FCC Label Instructions:
The outside of final products that contains this module device must display a label referring to
the enclosed module. This exterior label can use wording such as: “Contains Transmitter
Module FCC ID: 2ANDL-TYAUXF”,or “Contains FCC ID: 2ANDL-TYAUXF”,
Any similar wording that expresses the same meaning may be used.

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