Hangzhou BroadLink Technology BL3332 P User Manual
Model
Antenna type
Note
BL3332-P
PCB antenna
Default
Embedded
Version：1.2 Release date： May 13, 2019
BL3332-P
Wi-Fi Module
Features
125MHz ARM Cortex M4 MCU
256KB SRAM/2MB FLASH
Support AES，MD5，SHA1
Support XIP
Working voltage: DC 3.3V
Wi-Fi related features
Support 802.11 b/g/n with 20M
and 40M bandwidth
Support station and soft AP
Support SmartConfig and AP
configuration
Support WEP/WPA2
Working temperature: -10℃ to +80℃
Stamp style SMD for surface mounting
production
Applications
Smart transportation
Smart home / appliances
Instruments
Health care
Industrial automation
Intelligent security
Smart energy
Support multiple cloud services
Integrated balun/PA/LNA
TCP/IP stack optimized for IoT
application
PCB antenna
Peripheral
2x UART
2x I2C
1x SPI
5x PWM
Up to 10x GPIOs
Model
- 1 -
Content
1. Overview ............................................................................................................................ - 2 -
2. Basic Specifications ............................................................................................................ - 2 -
2.1. Power Consumption ................................................................................................... - 2 -
2.2. Working Environment ................................................................................................ - 3 -
3. Radio Specifications ........................................................................................................... - 3 -
3.1. Basic Radio Specification ............................................................................................ - 3 -
3.2. Radio Performance ..................................................................................................... - 4 -
3.2.1. IEEE 802.11b ........................................................................................................ - 4 -
3.2.2. IEEE 802.11g ........................................................................................................ - 5 -
3.2.3. IEEE802.11n ......................................................................................................... - 6 -
3.2.4. Testing Data for OTA ........................................................................................... - 7 -
Refer to Table 1 for testing data. ...................................................................................... - 7 -
4. BL3332-P Hardware Information ....................................................................................... - 9 -
4.1. PIN Sequence .............................................................................................................. - 9 -
4.2. PIN Definitions ............................................................................................................ - 9 -
4.3. PCB Antenna ............................................................................................................. - 12 -
4.4. Mechanical Dimensions ............................................................................................ - 15 -
4.5. Recommended Pad Size ........................................................................................... - 15 -
4.6. Certifications ............................................................................................................ - 16 -
4.7. Label ......................................................................................................................... - 16 -
4.8. Shielding Case Dimensions ....................................................................................... - 17 -
4.9. Packaging .................................................................................................................. - 18 -
5. Reference Design ............................................................................................................. - 18 -
5.1. UART Interface Design .............................................................................................. - 18 -
5.2. Power Supply Requirement ...................................................................................... - 19 -
Revision History ................................................................................................................... - 21 -
Copyrights ............................................................................................................................ - 22 -
Contact Us ........................................................................................................................... - 22 -
- 2 -
Specifications
Min.
Typ.
Max.
Units
VDD
3
3.3
3.6 V VIL(input low voltage)
0 0.8 V VIH(input high voltage)
2 3.6 V VOL(output low voltage)
0 0.4 V VOH(output high voltage)
2.4 3.6 V RPU 75 KΩ
RPD 75 KΩ
Io 8
24
mA
Standby (SP mini)
115 mA
pulse current @TX
11b @16dBm 11Mbps
331
mA
pulse current @TX
325
mA
1. Overview
BL3332-P is a cost-effective embedded Wi-Fi module designed by BroadLink, which
integrates an ARM Cortex-M4F processor speed up to 125MHz, 256KB SRAM and 2MB flash with
3.3V single power supply.
The module integrates radio transceiver, MAC, baseband, all Wi-Fi protocols, configurations
and network stack. It can be widely used in applications like smart home devices, remote
monitoring devices and medical care instruments.
2. Basic Specifications
2.1. Power Consumption
Please refer to Table 1 for power consumption data.
Table 1 BL3332-P Power Consumption Data
- 3 -
11g @14dBm 54Mbps
pulse current @TX
11n @14dBm 65Mbps
340
mA
Symbol
Description
Min.
Max.
Units
Ts
Storage temperature
-40
125 ℃ TA
Ambient operating temperature
-10
80 ℃ Vdd
Supply voltage
3.0
3.6 V Vio
Voltage on IO pin
0
3.3
V
Radio range
2.412 GHz - 2.472 GHz
Wireless standards
IEEE 802.11 b/g/n
Radio output (conductive)
802.11b:16±1.5dBm@11Mbps
802.11b: 16±1.5dBm@1Mbps
802.11g: 14±1.5dBm@54Mbps
802.11g: 16.5±1.5dBm@6Mbps
802.11n: 13.5±1.5dBm@MCS7/HT20
802.11n: 16±1.5dBm@MCS0/HT20
Antenna type
Internal: PCB antenna
2.2. Working Environment
Please refer to Table 2 for working environment data.
Table 2 BL3332-P Working Environment Data
3. Radio Specifications
3.1. Basic Radio Specification
Please refer to Table 3 for radio specification.
Table 3 BL3332-P Radio Specification
- 4 -
External: Not supported
Receiving sensitivity
802.11b<-88dBm@11Mbps
802.11g<-75dBm@54Mbps
802.11n/HT20<-72dBm@MCS7
802.11n/HT40<-69dBm@MCS7
Stack
IPv4, TCP/UDP/FTP/HTTP/HTTPS/TLS/mDNS
Data rate (max)
11M@802.11b, 54M@802.11g, MCS7@802.11n
Security
Encryption standard: Open/WEP-Open/WPA/WPA2
Encryption algorithm: WEP64/WEP128/TKIP/AES
Network types
STA/AP/STA+AP/WIFI Direct
ITEM
Specification
Modulation Type
DSSS / CCK
Frequency range
2412MHz~2462MHz
Channel
CH1 to CH11
Data rate
1, 2, 5.5, 11Mbps
TX Characteristics
Min.
Typical
Max.
Unit
Power@11Mbps
16 dBm
Frequency Error
-10 +10
ppm
EVM@11Mbps
-21
dB
Transmit spectrum mask
Pass
3.2. Radio Performance
3.2.1. IEEE 802.11b
Table 4 Basic specifications under IEEE802.11b
Table 5 Transmitting performance under IEEE802.11b
- 5 -
RX Characteristics
Min
.
Typical
Max.
Unit
11Mbps Input Level Sensitivity
Minimum Input Level (FER≦8%)
-88
dBm
Maximum Input Level (FER≦8%)
-10
dBm
ITEM
Specification
Modulation Type
OFDM
Frequency range
2412MHz~2462MHz
Channel
CH1 to CH11
Data rate
6, 9, 12, 18, 24, 36, 48, 54Mbps
TX Characteristics
Min.
Typical
Max.
Unit
Power@54Mbps
14 dBm
Frequency Error
-10 +10
ppm
EVM@54Mbps
-32
dB
Transmit spectrum mask
Pass
RX Characteristics
Min
.
Typical
Max.
Unit
54Mbps Input Level Sensitivity
Minimum Input Level (FER≦10%)
-75
dBm
Table 6 Receiving performance under IEEE802.11b
3.2.2. IEEE 802.11g
Table 7 Basic specifications under IEEE802.11g
Table 8 Transmitting performance under IEEE802.11g
Table 9 Receiving performance under IEEE802.11g
- 6 -
Maximum Input Level (FER≦10%)
-20
dBm
ITEM
Specification
Modulation Type
OFDM
Frequency range
2412MHz~2462MHz
Channel
CH1 to CH11
Data rate
MCS0/1/2/3/4/5/6/7
TX Characteristics
Min.
Typical
Max.
Unit
Power@HT20, MCS7
13.5
dBm
Frequency Error
-10 +10
ppm
EVM@HT20, MCS7
-32
dB
Transmit spectrum mask
Pass
RX Characteristics
Min
.
Typical
Ma
x.
Unit
MCS7 Input Level Sensitivity
Minimum Input Level (FER≦10%)
-72
dBm
Maximum Input Level (FER≦10%)
-20
dBm
3.2.3 IEEE802.11n
IEEE802.11n 20MHz bandwidth mode
Table 10Basic specifications under IEEE802.11n with 20MHz
Table 11 Transmitting performance under IEEE802.11n with 20MHz
Table 12 Receiving performance under IEEE802.11n with 20MHz
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