Introduction to WiFi Module--TYWE3L

WiFi module introduction–TYWE3L

1. Product Overview

TYWE3L is a low power consumption module with built-in Wi-Fi connectivity solution designed by HangZhou Tuya Technology Corporation. The Wi-Fi Module consists of a highly integrated wireless radio chip ESP8266 and some extra component that has been programed with Wi-Fi network protocol and plenty of software examples. TYWE3L include a 32-bit CPU, 1M byte flash, 50k SRAM and various peripheral resources.

TYWE3L 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.

Figure 1 shows the block diagram of the TYWE3L.

​ Figure 1. The block diagram of the TYWE3L

1.1 Features

  • Integrated low power consumption 32-bit CPU, also known as application processor

  • Basic frequency of the CPU can support both 80MHz and 160MHz

  • Supply voltage range: 3V to 3.6V

  • Peripherals: 9 GPIO channels, 1 UART, 1 ADC

  • Wi-Fi connectivity:

    802.11 b/g/n

    Channel 1 to 14 @ 2.4GHz

    Support WPA/WPA2

+20dBm output power in 802.11b mode

Support STA/AP/STA+AP operation mode

Support SmartConfig function for both Android and IOS devices

On-board PCB antenna

Operating temperature range: -20℃ to 105℃

1.2 Main Application Fields

  • Intelligent Building
  • Intelligent home, Intelligent household applications
  • Smart socket, smart lighting
  • Industrial wireless control
  • Baby monitor
  • Webcam
  • Intelligent bus

2.Dimensions and Footprint

2.1Dimensions

TYWE3L has 2 columns of Pins. The distance between each Pin is 2mm. Size of TYWE3L: 16mm(W)*24mm(L)*3.5mm(H)

Figure 2 shows the dimensions of TYWE3L

Figure 2. The dimensions of TYWE3L

2.2 Pin Definition

Table 1 shows the general pin attributes of TYWE3L

Table 1. The typical pin definition of TYWE3L

PIN NO. NAME TYPE DISCREPTION
1 RST I/O External reset singal(low level effects, there’s already had pull-up resistor)
2 ADC AI ADC terminal(10-bits SAR ADC)
3 EN I Enable pin for module, high level effects
4 GPIO16 I/O GPIO_16(10k pull-up resistor needed)
5 GPIO14 I/O GPIO14
6 GPIO12 I/O GPIO12
7 GPIO13 I/O GPIO13
8 VCC P Supply voltage (3.3V)
9 GND P Ground
10 GPIO15 O GPIO_15(processing during initials, caution when used)
11 GPIO2 O UART0_TXD(used to print module’s internal information)
12 GPIO0 I/O GPIO_0(processing during initials, caution when used)
13 GPIO4 I/O GPIO4
14 GPIO5 I/O GPIO5
15 RXD0 I/O UART0_RXD
16 TXD0 O UART0_TXD

Note: S: Power supply pins; I/O: Digital input or output pins; AI: Analog input. RST pin is the module hardware reset pin; it cannot eliminate module-pairing information.

​ (1) This pin can only be used as ADC input, cannot use it as normal I/O. when not using, just connect nothing. When used as ADC input, the input voltage range is 0~1.0V.

​ (2) UART0 is serial port, during power on progress; this serial port will output something, which can be ignored.

2.3 Test Pin Definition

Table 2 shows the general test pin definition of TYWE3L

Table 2. The general test pin definition of TYWE3L

PIN NO. NAME TYPE DESCRIPTION
- TEST I Used for module’s production test

Note: This test pin is not recommended to use.

3.Electrical Characteristics

3.1 Absolute Maximum Ratings

Table 3. Absolute Maximum Ratings

PARAMETERS DESCRIPTION MIN MAX UNIT
Ts Storage temperature -20 105
VCC Supply voltage -0.3 3.6 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 4. Electrical Conditions

PARAMETERS DESCRIPTION MIN TYPICAL MAX UNIT
Ta Working temperature -20 - 105
VCC Working voltage 3 3.3 3.6 V
VIL IO low level input -0.3 - VCC*0.25 V
VIH IO high level input VCC*0.75 - VCC V
VOL IO low level output - - VCC*0.1 V
VoH IO high level output VCC*0.8 - VCC V
Imax IO drive current - - 12 mA

3.3 Wi-Fi Transmitting Current Consumptions

Table 5. Wi-Fi TX current consumption

PARAMETERS MODE RATE Transmitting power TYPICAL UNIT
IRF 11b 11Mbps +17dBm 220 mA
IRF 11g 54Mbps +15dBm 110 mA
IRF 11n MCS7 +13dBm 100 mA

3.4 Wi-Fi Receiving Current Consumptions

Table 6. Wi-Fi RX current consumption

PARAMETERS MODE RATE TYPICAL UNIT
IRF 11b 11Mbps 76 mA
IRF 11g 54Mbps 76 mA
IRF 11n MCS7 76 mA

3.5 Working Mode Current Consumptions

Table 7. The module working current consumption

WORK MODE AT TA=25****℃ TYPICAL MAX UNIT
EZ Mode TYWE3L is under EZ paring mode, Wi-Fi indicator light flashes quickly 80 151 mA
AP Mode TYWE3L is under AP paring mode, Wi-Fi indicator light flashes slowly 90 451 mA
Operation Mode TYWE3L is connected, Wi-Fi indicator light is on 58.5 411 mA
Disconnection Mode TYWE3L is disconnected, Wi-Fi indicator light is off 80 430 mA

4.WLAN Radio Specification

4.1 Basic Radio Frequency Characteristics

Table 8. Basic Radio frequency characteristics

PARAMETERS DESCRIPTION
Frequency band 2.4GHz to 2.5GHz
Wi-Fi standard IEEE 802.11n/g/b (Terminal 1-14)
Data transmitting rate 11b:1,2,5.5,11(Mbps) ,11g:6,9,12,18,24,36,48,54(Mbps) ,11n:HT20, MCS0~7
Antenna type On-board PCB Antenna

4.2 Wi-Fi Transmitting Power

Table 9. Wi-Fi transmitting power

PARAMETERS MIN TYPICAL MAX UNIT
RF average output power, 802.11b CCK Mode 1M - 20 - dBm
RF average output power, 802.11g OFDM Mode 54M - 17 - dBm
RF average output power, 802.11n OFDM Mode MCS7 - 14 - dBm
The Frequency error -10 -10 - 10 ppm

4.3 Wi-Fi Receiving Sensitivity

Table 10. Wi-Fi Receiving sensitivity

PARAMETERS MIN TYPICAL MAX UNIT
PER<8%, Receiving sensitivity, 802.11b CCK Mode 1M - -91 - dBm
PER<10%, Receiving sensitivity, 802.11g OFDM Mode 54M - -75 - dBm
PER<10%, Receiving sensitivity, 802.11n OFDM Mode MCS7 -72 dBm

5. Antenna Information

5.1 Antenna Type

Antenna can be connected only 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 minimum 15mm distance between the antenna part and the other metal pieces.

User’s own PCBA design is recommended NOT to pass any wire, NOT do copper pour under the region of the module’s antenna, to avoid interferences.

6.Packaging Information And Production Guide

6.1 Mechanical Dimensions

Figure 3. The module’s mechanical view

Figure 4. The module’s side view

Figure 5. PCB schematic Drawing

Figure 6. PCB Package Drawing

6.3 Production Guide

TYWE3L is available in two sizes, with and without pin headers, depending on the actual application. Pin size and recommended layout as shown below (unit: mm)

6.4 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.

Figure 7. PCB Package Drawing Recommended furnace temperature curve

400-881-8611