2. Features

CPU

 CMOS single-chip fully-integrated PMU, CODEC, RF, BB, MCU and AP subsystem

 300MHz ARM Cortex-M33 Star dual-core MCU subsystem

 1GHz ARM Cortex-A7 dual-core AP subsystem with NEON.

 Shared 2MB SRAM, on-chip PSRAM and on-chip NOR flashNote1

 Support TrustZone and secure boot

Wi-Fi / BT

 2.4GHz & 5GHz dual-band Wi-Fi, 1T1R, compliant to IEEE 802.11a/b/g/n

 Support 20MHz and 40MHz bandwidth

 Bluetooth 5.2 dual-mode

 Support BLE Mesh and LE audio

 A2DP v1.3/AVRCP v1.5/HFP v1.6

 Wi-Fi and Bluetooth co-existence

Audio

 Hi-Fi Stereo Audio DAC and ADC

 Far-field voice wake up

 24bit audio processing

 Support Acoustic Echo Cancellation

 Support DSD-64/128/256 decode

Peripheral interfaces

 MIPI Tx DSI and MIPI Rx CSI interface

 USB2.0 HS Host or Device

 4x UART interface, with flow control and configurable baud rate

 50Mbps SPIx2, with serial LCD support

 1.4Mbps I2C master x3

 I2S/TDM

 PWMx8

 10-bit GPADC, 3 channels