Technical Features

• Compliant with 802.11 b/g/n 1x1 standards

• 54 Mbps with 17 dBm output power

• 54 Mbps with -76 dBm sensitivity

• 20 MHz bandwidth and STBC

• Supports STA, AP, and Direct modes

• Supports AP and STA dual-role operation

• MCU speed up to 120 MHz

• 256 KB internal RAM

• 2 MB or 4 MB internal Flash

• UART or SPI downloading

• 50 MHz SDIO clock rate

• High-speed SPI interface

• Dual I2C interfaces

• Six 32-bit counters and one low-power counter

• Six PWM outputs supporting high-speed or low-power clocks

• Six high-speed 10-bit multi-channel ADCs with internal filtering to 16 bits

• 32-byte eFUSE

• 256-byte to 2-kbyte OTP

• True random number generator

• 26 MHz and 32 kHz clock signal outputs

• Distinguishable between power-on reset and watchdog reset