WBR3N User manual
1 Product Overview
WBR3N is a low
-
power embedded WiFi+BT module that Tuya has developed. It consists of a
highly integrated wireless RF chip (RTL8720CS), a few peripherals, an
embedded WiFi network protocol stack, the BT network protocol, and varied library
functions. WBR3N has an embedded low
-
power 32
-
bit CPU, 512 KB static randomaccess memory
(SRAM), 4 MB flash memory, and rich peripherals. WBR3N is an
RTOS platform that integrates all function libraries of the WiFi MAC and TCP/IP protocols. You can
develop embedded WiFi products as required.
1.1 Features
1. Embedded low
-
power 32
-
bit CPU, which can also function as an application
processor
2. The maxium clock rate: 200 MHz
3. Working voltage: 3.0 to 3.6 V
4. Peripherals: 8 GPIOs, 1 universal asynchronous receiver/transmitter (UART),
and 1 analog to digital converter (ADC)
5. WiFi connectivity
• 802.11b/g/n 1x1 2.4 G
• Channels 1 to 14 at 2.4 Ghz
• Support WPA and WPA2 security modes
• Up to +17.5 dBm output power in 802.11b mode
• Support STA/AP/STA+AP working modes
• Support SmartConfig and AP network configuration manners for Android
and iOS devices
• Onboard PCB antenna with a gain of 2.5 dBi at 2.4 G
• Working temperature:
-
20 to 85
℃
6. BT/BLE connectivity
• Support BLE V5.0