KAB Enterprise ECO-PLUGS Wi-Fi Module User Manual

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Document ID	2659058
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Date Submitted	2015-06-26 00:00:00
Date Available	2015-06-26 00:00:00
Creation Date	2015-06-24 19:36:59
Producing Software	Acrobat Distiller 9.0.0 (Windows)
Document Lastmod	2015-06-24 19:38:18
Document Title	Microsoft Word - ECO PLUGS_WiFi_Module Installation Guide
Document Creator	PScript5.dll Version 5.2.2
Document Author:	Elaine

KAB Enterprise Co., Ltd
Wi-Fi Smart Switch
Disclaimer and Copyright Notice
Information in this document, including URL references, is subject to change without notice.
THIS DOCUMENT IS PROVIDED AS IS WITH NO WARRANTIES WHATSOEVER, INCLUDING ANY
WARRANTY OF MERCHANTABILITY, NON-INFRINGEMENT, FITNESS FOR ANY PARTICULAR PURPOSE,
OR ANY WARRANTY OTHERWISE ARISING OUT OF ANY PROPOSAL, SPECIFICATION OR SAMPLE. All
liability, including liability for infringement of any proprietary rights, relating to use of information in this
document is disclaimed. No licenses express or implied, by estoppel or otherwise, to any intellectual property
rights are granted herein.
The WiFi Alliance Member Logo is a trademark of the WiFi Alliance.
All trade names, trademarks and registered trademarks mentioned in this document are property of
their respective owners, and are hereby acknowledged.
Copyright © 2015 KAB Enterprise Co., Ltd. All rights reserved.
1.1. Features

802.11 b/g/n

Integrated low power 32-bit MCU

Integrated 10-bit ADC

Integrated TCP/IP protocol stack

Integrated TR switch, balun, LNA, power amplifier and matching network

Integrated PLL, regulators, and power management units

Supports antenna diversity

Wi-Fi 2.4 GHz, support WPA/WPA2

Support STA/AP/STA+AP operation modes

Support Smart Link Function for both Android and iOS devices

SDIO 2.0, (H) SPI, UART, I2C, I2S, IRDA, PWM, GPIO

A-MPDU & A-MSDU aggregation and 0.4s guard interval

Deep sleep power <10uA, Power down leakage current < 5uA

Wake up and transmit packets in < 2ms

Standby power consumption of < 1.0mW (DTIM3) •

Operating temperature range -40C ~ 125C

FCC, Wi-Fi Alliance, certified
1.2. Parameters
Table 1 below describes the major parameters.
Table 1 Parameters
Categories
WiFi Parameters
Items
Values
Certificates
FCC/CE/TELEC
WiFi Protocols
802.11 b/g/n
Frequency Range
2.4GHz-2.5GHz (2400M-2483.5M)
UART/SDIO/SPI/I2C/I2S/Ir Remote Control
Hardware
Parameters
Software
Parameters
Peripheral Bus
GPIO/PWM
Operating Voltage
3.0~3.6V
Operating Current
Average value: 80mA
Operating Temperature Range
-40°~125°
Ambient Temperature Range
Normal temperature
Package Size
18mm*20mm*3mm
External Interface
N/A
Wi-Fi mode
station/softAP/SoftAP+station
Security
WPA/WPA2
Encryption
WEP/TKIP/AES
Firmware Upgrade
Software Development
Network Protocols
User Configuration
UART Download / OTA (via network) /
download and write firmware via host
Supports Cloud Server Development / SDK for
custom firmware development
IPv4, TCP/UDP/HTTP/FTP
AT Instruction Set, Cloud Server, Android/iOS
App
2. Pin Descriptions
There are altogether 18 pin counts, the definitions of which are described in Table 2 below.
Table 2 Pin Descriptions
NO.
Pin Name
Function
3V3
3.3V power supply (VDD)
EN
Chip enable pin. Active high.
IO14
GPIO14; HSPI_CLK
IO12
GPIO12; HSPI_MISO
IO13
GPIO13; HSPI_MOSI; UART0_CTS
IO15
GPIO15; MTDO; HSPICS; UART0_RTS
IO2
GPIO2; UART1_TXD
IO0
GPIO0
GND
10
IO4
GPIO4
11
RXD
UART0_RXD; GPIO3
12
TXD
UART0_TXD; GPIO1
13
GND
GND
14
IO5
GPIO5
15
RST
Reset the module
GND
It can be used to test the power-supply voltage of VDD3P3 (Pin3 and
16
TOUT
Pin4) and the input power voltage of TOUT (Pin 6). However, these two
functions cannot be used simultaneously.
17
IO16
18
GND
GPIO16; can be used to wake up the chipset from deep sleep mode.
GND
Note:
Table 3 UART Download Mode
Table 4 Flash Boot Mode
The following are measured under room temperature conditions with 3.3V and 1.1V power supplies.
Table 5 Receiver Sensitivity
Parameters
Min
Input frequency
2412
Typical
Input impedance
Max
Unit
2484
MHz
Ω
50
Input reflection
-10
dB
Output power of PA for 72.2Mbps
15.5
16.5
17.5
dBm
Output power of PA for 11b mode
19.5
20.5
21.5
dBm
Sensitivity
DSSS, 1Mbps
-98
dBm
CCK, 11Mbps
-91
dBm
6Mbps (1/2 BPSK)
-93
dBm
54Mbps (3/4 64-QAM)
-75
dBm
HT20, MCS7 (65Mbps, 72.2Mbps)
-72
dBm
OFDM, 6Mbps
37
dB
OFDM, 54Mbps
21
dB
HT20, MCS0
37
dB
HT20, MCS7
20
dB
Adjacent Channel Rejection
3. Functional Descriptions
3.1. MCU
ESP8266EX is embedded with Tensilica L106 32-bit micro controller (MCU), which features extra low power
consumption and 16-bit RSIC. The CPU clock speed is 80MHz. It can also reach a maximum value of
160MHz.
ESP8266EX is often integrated with external sensors and other specific devices through its GPIOs; codes
for such applications are provided in examples in the SDK.
3.2. Memory Organization
1. Internal SRAM and ROM
ESP8266EX WiFi SoC is embedded with memory controller, including SRAM and ROM. MCU can visit the
memory units through iBus, dBus, and AHB interfaces. All memory units can be visited upon request, while a
memory arbiter will decide the running sequence according to the time when these requests are received by the
processor.
According to our current version of SDK provided, SRAM space that is available to users is assigned as
below:

RAM size < 36kB, that is to say, when ESP8266EX is working under the station mode and is connected
to the router, programmable space accessible to user in heap and data section is around 36kB.)

There is no programmable ROM in the SoC, therefore, user program must be stored in an external SPI
flash.
2. External SPI Flash
This module is mounted with an 2 MB external SPI fl ash to store user programs. If larger definable storage
space is required, a SPI fl ash with larger memory size is preferred. Theoretically speaking, up to 16 MB
memory capacity can be supported.
Suggested SPI Flash memory capacity:

OTA is disabled: the minimum fl ash memory that can be supported is 512 kB;

OTA is enabled: the minimum fl ash memory that can be supported is 1 MB.
Several SPI modes can be supported, including Standard SPI, Dual SPI, and Quad SPI.
Therefore, please choose the correct SPI mode when you are downloading into the fl ash, otherwise
firmwares/programs that you downloaded may not work in the right way.
3.3. Crystal
Currently, the frequency of crystal oscillators supported include 40MHz, 26MHz and 24MHz. The accuracy
of crystal oscillators applied should be ±10PPM, and the operating temperature range should be between
-20°C and 85°C.
When using the downloading tools, please remember to select the right crystal oscillator type. In circuit design,
capacitors C1 and C2, which are connected to the earth, are added to the input and output terminals of the
crystal oscillator respectively. The values of the two capacitors can be flexible, ranging from 6pF to 22pF,
however, the specific capacitive values of C1 and C2 depend on further testing and adjustment on the overall
performance of the whole circuit. Normally, the capacitive values of C1 and C2 are within 10pF if the crystal
oscillator frequency is 26MHz, while the values of C1 and C2 are 10pF
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Create Date                     : 2015:06:24 19:36:59+08:00
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Format                          : application/pdf
Title                           : Microsoft Word - ECO PLUGS_WiFi_Module   Installation Guide
Creator                         : Elaine
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