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Customize the embedded system based on
Your
Idea
Pin
Signal
Description
Pin
Signal
Description
1
SDMMC0_D2
SD/MMC data2
2
SDMMC0_D3
SD/MMC data3
3
SDMMC0_CMD
SD/MMC command
signal
4
VCC3V3_SD
3.3V
5
SDMMC0_CLK
SD/MMC clock
6
GND
Ground
7
SDMMC0_D0
SD/MMC data0
8
SDMMC0_D1
SD/MMC data1
9
SDMMC0_DET_
L
SD/MMC detect signal
2.19 WiFi&Bluetooth (U20)
The Realtek RTL8723BS is a low-power consumption module which has incorporated Wi-Fi and
Bluetooth into one chip. The integrated module provides SDIO interface for WiFi, UART / PCM for
Bluetooth.
⚫
The WIFI throughput can go up to 150Mbps in theory by using 1x1 802.11n b/g/n MIMO
⚫
Full-featured software utility for easy configuration and management
⚫
RTL8723BS with shared antenna between WLAN and Bluetooth
RTL8723BS Module Specifications
Standard
WiFi: IEEE 802.11b/g/n
BT: V2.1+EDR/BT v3.0+HS/BT v4.0
Host Interface
SDIO and UART
Frequency Range
2.4GHz~2.4835GHz
Power Consumption
standby mode 140mA at 3.3V, TX mode 280mA at 3.3V
Dimension
12x12x2.0mm
Working Temp.
0°C to +70°C
Power supply
DC 3.3V (±0.2V)
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