Module chipset integrates a high-performance 32-bit microprocessor, a hardware security engine, and various peripheral interfaces, including the SPI, UART, I2C, PWM,GPIO, and multi-channel ADC. In addition, it provides high-speed SDIO2.0 slave interfaces, with clock frequency up to 50 MHz. Its built-in SRAM and flash can operate independently and even programming is allowed on the flash.
Orthogonal frequency division multiplexing -OFDM
Direct sequence spread spectrum-DSSS
Complementary code keying-CCK
Operate at ISM frequency bands (2.4GHz)
Maximum rate of 72.2 Mbit/s@HT20 MCS7
SDIO interface for Wi-Fi
Low power dissipation
High transmitting power
High receiving sensitivity
PHY supporting IEEE 802.11b/g/n
MAC supporting IEEE802.11 d/e/h/i/k/v/w
Module integrated 32K clock
WFA WPA, WFA WPA2 personal, and WPS2.0 for Wi-Fi
Built-in 352 KB SRAM and 288 KB ROM
Main chipset Built-in 32bit MCU and 2 MB flash memory
1. GPIO02 is the interrupt signal of SDIO, It must be connected, If unconnectedthroughput will be decrease.
2. PMU_PWRON is enable pin of the module. It must be high before power on.
3. Wake up must be connected, non-power-saving applications also need to connect.
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