Hangzhou Gubei Electronics Technology BL3328 P User Manual
BiTrend™ EssentialSeriesWi-Fi Module
Datasheet
BL3328-P
Hangzhou Gubei Electronics Technology Co., Ltd.
V 1.0.0
22/01/2016
1stissue of preliminary document
V1.1.0
2/06/2017
Add some performance parameters
V1.2.0
9/06/2017
Correction of RF parameters and The module packaging size
Copyright Information
The information contained in this document is the proprietary information of Hangzhou Gubei
Electronics Technology Co., Ltd. (hereinafter referred as BroadLink). Further, no portion of this
document may be altered or edited in any form or by any meanswithout the prior written
consent of BroadLink, the copyrightholder.
Further BroadLink reserves the right to make modifications, additions anddeletions to this
document due to typographical errors, inaccurate information, orimprovements to products
mentioned in the document at any time and without notice. Such changes will, nevertheless be
incorporated into new editions of this document or published as errata sheet.
Version History
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Table of Contents
1. Introduction
1.1 Overview
1.2 Applications
1.3 Key Features
2. Product Overview
2.1 Product Picture
2.2 Block Diagram
3. Electrical Characteristics
3.1 Absolute Maximum Ratings – Voltage & Current
3.2Current consumption
3.3 Absolute maximum ratings – Temperature
3.4Absolute maximum ratings – ESD
4. RF Characteristics
4.1Basic Characteristics
4.2 IEEE802.11b Mode
4.3 IEEE802.11g Mode
4.4 IEEE802.11n 20Mhz Bandwidth Mode
4.5 IEEE802.11n 40Mhz Bandwidth Mode
5. Mechanical Characteristics
6. Module Interfaces
6.1 PIN Layout
6.2 PIN Definitions
7. Reference Design
8.1 Antenna Selection
8.2 Minimizing Radio Interference
8.3 Specification of On-Board Antenna
Appendix A Glossary（Quentin respible）
Appendix B Reference paper（Quentin respible）
Contact Us
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1. Introduction
1.1 Overview
BiTrend™ Essentialis the industrial leading 2.4Ghz 802.11 b/g/n embedded Wi-Fi module which
delivers unmatched performance and codeless development in a compact package, providing
a quick, easy and cost effective way for developers and manufacturers to add Wi-Fi connectivity
for home automation, lighting control, energy efficiency and other IOT applications.
BiTrend ™ Essential family combines a 2.4Ghz 802.11 b/g/n radio transceiver with a 32-bit
microprocessor and embedded with MAC, baseband processing and optimized Wi-Fi network
stack. It is an ideal solution for developers and manufacturers with limited RF and embedded
programming expertise as it significantly reduces RF design time and removes the burden of
testing and certification.
Benefitted from BroadLink’s turn-key solution, BiTrend™ Essential is an ideal solution for
developers with limited Wi-Fi or RF expertise or for those seeking faster time to market. It
reduces RF design time and removes the burden of testing and certification. BiTrend™ Essential
is fully compliant with IEEE 802.11 b/g/n standard and certified with CE, FCC and RoHS.
BiTrend™ Essential is a highly integrated Wi-Fi SoC(system on Chip) single chip, which
supportsIEEE802.11b/g/n single stream, providing GPIO for intelligent control, and UART
interfaces for device communication.
BiTrend™ Essential has 8Mbits flash and integrates power amplifier, low noise amplifier, and RF
switch to reduce the module size and RF design capability required. And also integrate power
manage unit for single 3.3V power source for cost effective design.
BiTrend™ Essential embedded 32-bit RISC MCU for 802.11b/g/n drivers, supplicant, TCP/IP
protocol stack, and networking applications, can be operated in station mode and softAP mode.
The 3328-P is an ideal solution for embedded device to enable networking service with
minimized design effort.
Figure 1. 3328-P block diagram
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1.2 Applications
Smart home appliances
Remote Control
Medical/Health Care
Network consumer devices
a． Support IEEE802.11b/g/n
Frequency Range
2.412 GHz - 2.484 GHz
Wi-Fi Standard
IEEE 802.11 b/g/n
Transmitter Power
802.11b:18dBm
802.11g:16dBm
802.11n:15dBm
MIN Receiver Sensitivity
802.11b<-82dBm@11Mbps
802.11g<-72dBm@54Mbps
802.11n<-71dBm@MCS7
Data rate
11M@802.11b, 54M@802.11g, MCS7@802.11n
Security
Encryption Standard：WEP/WEPA/WPA2
EncryptionAlgorithm：WEP64/WEP128/TKIP/AES
Wi-Fi Modes
STA/AP/STA+AP/WIFI Direct
b． Support UART\PWM\ADC\GPIO\I2C port
c． Support STA\AP\AP+STA
d． Patent Smart Config™ technology
e． Support TLS\SSL\mDNS
f． PCB printed antenna
Antenna type
PCB printed ANT
g． Power source: 3.3V
h． Dimension （L*W*H) : 31mm*17.7mm*3.6mm (Including shielding cover height)
i． ESD: 2KV
1.3 Key Features
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2. Product Overview
2.1 Product Picture
2.2 Block Diagram
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3. Electrical Characteristics
Symbol
Description
Min.
Max.
Units
Ts
Storage temperature
-40
125
℃
TAMBIENT
Ambient Temperature
-10
80
℃
Vdd
Supply voltage
3.0
3.6
V
Vio
Voltage on IO pin
0
3.3
V
VESD
HBM(human body model)
2000
V
Symbol
Condition
Performance
TYP
Unit
I
RF_Standby(SP mini)
IDLE mode
46
mA
I
RF_b
pulse current @TX
11b @18dBm 11Mbps
265
mA
I
RF_g
pulse current @TX
11g @16dBm 54Mbps
216
mA
I
RF_n
pulse current @TX
11n @15dBm MCS7
212
mA
Symbol
Rati
Max
Unit
T
STG
Storagetemperature
–40 to+125
℃
T
A
Workingtemperature
-10 to+80
℃
3.1 Absolute Maximum Ratings – Voltage & Current
Using products above the absolute maximum ratings may cause permanent damage to the
device. These are maximum ratings only and functional operation of the device at these
conditions is not implied. Exposure to maximum rating conditions for extended periods may
aff ect the reliability of the device.
3.2Current consumption
Note: All result is measured at the antenna port and VDD33 is 3.3V
3.3 Absolute maximum ratings – Temperature
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