RTL8822BS wifi蓝牙二合一无线  智能模块
 
支持802.11ac，2.4G+5.8G
 
 
1.1 General Description
 
BL-M8822BS1 product is a highly integrated module that support 2-stream 802.11ac solutions with Multi-user MIMO (Multiple In, Multiple Out) with integrated Bluetooth 2.1/3.0/4.1 controller, SDIO (SDIO1.1/2.0/3.0) interface, and HS-UART Mixed interface. It combines a WLAN MAC, a 2T2R capable WLAN baseband,-performance integrated wireless and Bluetooth device.
 
 
 
 
2.Product Technical Specifications 
 
 
 
 
  
 
   
 
Item
 
 
   
 
Description
 
 
  
 
  
 
   
 
Product Name 
 
 
   
 
BL-M8822BS1
 
 
  
 
  
 
   
 
Main Chip
 
 
   
 
RTL8822BS-CG
 
 
  
 
  
 
   
 
Host Interface 
 
 
   
 
SDIO (SDIO1.1/2.0/3.0 ) and UART
 
 
  
 
  
 
   
 
IEEE Standards
 
 
   
 
IEEE 802.11a/b/g/n/ac
 
 
  
 
  
 
   
 
Operating Frequencies
 
 
   
 
2.4GHz~2.4835GHz /5.15~5.85GHz
 
 
  
 
  
 
   
 
Modulation
 
 
   
 
WIFI:
 
802.11b: CCK, DQPSK, DBPSK
 
802.11a/g: 64-QAM,16-QAM, QPSK, BPSK
 
802.11n: 64-QAM,16-QAM, QPSK, BPSK
 
802.11ac: 256-QAM,64-QAM,16-QAM, QPSK, BPSK 
 
BT:
 
8DPSK,π/4DQPSK, GFSK
 
 
  
 
  
 
   
 
Working Mode
 
 
   
 
Infrastructure,  Ad-Hoc
 
 
  
 
  
 
   
 
Wireless Data Rate
 
 
   
 
WIFI:
 
802.11b: 1, 2 ,5.5,11Mbps
 
802.11a/g: 6,9,12,18,24,36,48,54Mbps
 
802.11n: HT20 reach up to144.4Mbps, HT40 reach up to300Mbps
 
802.11ac: VHT20 reach up to173.3Mbps, VHT40 reach up to400Mbps, VHT80 reach up to866.7Mbps
 
BT:
 
1Mbps for Basic Rate
 
2,3Mbps for Enhanced Date Rate
 
 
  
 
  
 
   
 
Rx Sensitivity
 
 
   
 
-95dBm (Min)
 
 
  
 
  
 
   
 
TX Power
 
 
   
 
18.5dBm (Max)
 
 
  
 
  
 
   
 
Antenna Type
 
 
   
 
Connect to external antenna through the half hole connector
 
 
  
 
  
 
   
 
Dimension(L*W*H)
 
 
   
 
13.1*15.1*3.5mm (L*W*H) ，Tolerance: ±0.15mm
 
 
  
 
  
 
   
 
Power Supply
 
 
   
 
3.3V±0.2V 
 
 
  
 
  
 
   
 
Power Consumption
 
 
   
 
Standby 195mA (Max)
 
TX mode 650 mA (Max)
 
 
  
 
  
 
   
 
Clock Source
 
 
   
 
40MHz
 
 
  
 
  
 
   
 
Working Temperature 
 
 
   
 
-10°C to +70°C
 
 
  
 
  
 
   
 
Storage Temperature
 
 
   
 
-40°C to +80°C
 
 
  
 
 
 
 
3.Pin Assignments
 
 
 
 
 
 
 
 
 
 
 
  
 
   
 
Pin No：
 
 
   
 
Pin Name
 
 
   
 
Type
 
 
   
 
Description
 
 
  
 
  
 
   
 
1、3、4、5、6、7、8、10、11、23、32、39
 
 
   
 
GND
 
 
   
 
P
 
 
   
 
Ground
 
 
  
 
  
 
   
 
12、13、14、24、25、26、33、35、37、45、46、47、48
 
 
   
 
/
 
 
   
 
/
 
 
   
 
NC
 
 
  
 
  
 
   
 
2
 
 
   
 
WL/BT_ANT0
 
 
   
 
I/O
 
 
   
 
RF port 0
 
 
  
 
  
 
   
 
9
 
 
   
 
WL_ANT1
 
 
   
 
I/O
 
 
   
 
RF port 1
 
 
  
 
  
 
   
 
15
 
 
   
 
WL_REG_ON
 
 
   
 
I
 
 
   
 
Low asserting reset for wifi
 
 
  
 
  
 
   
 
16
 
 
   
 
WL_WAKE_HOST
 
 
   
 
O
 
 
   
 
WLAN to wake up HOST
 
 
  
 
  
 
   
 
17
 
 
   
 
SDIO_CMD
 
 
   
 
I/O
 
 
   
 
SDIO command line
 
 
  
 
  
 
   
 
18
 
 
   
 
SDIO_CLK
 
 
   
 
I/O
 
 
   
 
SDIO clock line
 
 
  
 
  
 
   
 
19
 
 
   
 
SDIO_DATA3
 
 
   
 
I/O
 
 
   
 
SDIO data line 3
 
 
  
 
  
 
   
 
20
 
 
   
 
SDIO_DATA2
 
 
   
 
I/O
 
 
   
 
SDIO data line 2
 
 
  
 
  
 
   
 
21
 
 
   
 
SDIO_DATA0
 
 
   
 
I/O
 
 
   
 
SDIO data line 0
 
 
  
 
  
 
   
 
22
 
 
   
 
SDIO_DATA1
 
 
   
 
I/O
 
 
   
 
SDIO data line 1
 
 
  
 
  
 
   
 
27
 
 
   
 
PCM_SYNC
 
 
   
 
I/O
 
 
   
 
PCM sync signal
 
 
  
 
  
 
   
 
28
 
 
   
 
PCM_IN
 
 
   
 
I
 
 
   
 
PCM data input
 
 
  
 
  
 
   
 
29
 
 
   
 
PCM_OUT
 
 
   
 
O
 
 
   
 
PCM data output
 
 
  
 
  
 
   
 
30
 
 
   
 
PCM_CLK
 
 
   
 
I/O
 
 
   
 
PCM clock
 
 
  
 
  
 
   
 
31
 
 
   
 
LPO
 
 
   
 
I
 
 
   
 
External low power clock input (32.768KHz)
 
 
  
 
  
 
   
 
34
 
 
   
 
VDDIO
 
 
   
 
P
 
 
   
 
I/O Voltage supply input
 
 
  
 
  
 
   
 
36
 
 
   
 
VBAT
 
 
   
 
 
 
 
   
 
3.3V Main Power Supply
 
 
  
 
  
 
   
 
38
 
 
   
 
BT_REG_ON
 
 
   
 
I
 
 
   
 
Low asserting reset for Bluetooth
 
 
  
 
  
 
   
 
40
 
 
   
 
UART_TXD
 
 
   
 
O
 
 
   
 
Bluetooth UART interface
 
 
  
 
  
 
   
 
41
 
 
   
 
UART_RXD
 
 
   
 
I
 
 
   
 
Bluetooth UART interface
 
 
  
 
  
 
   
 
42
 
 
   
 
UART_RTS_N
 
 
   
 
/
 
 
   
 
GND
 
 
  
 
  
 
   
 
43
 
 
   
 
UART_CTS_N
 
 
   
 
I
 
 
   
 
Bluetooth UART interface
 
 
  
 
  
 
   
 
44
 
 
   
 
SD_RESET
 
 
   
 
I
 
 
   
 
SDIO System reset
 
 
  
 
  
 
   
 
49
 
 
   
 
HOST_WAKE_BT
 
 
   
 
I
 
 
   
 
HOST wake up Bluetooth device
 
 
  
 
  
 
   
 
50
 
 
   
 
BT_WAKE_HOST
 
 
   
 
O
 
 
   
 
Bluetooth device to wake up HOST