Specifications

美的 IoT 公司
4 / 20
The block diagram of the module is as follows:
Bluetooth
link
Controller
Bluetooth
Audio CODEC
Wi-Fi dual-
band
RF
Wi-Fi
baseband
Wi-Fi MAC
Bluetooth
Baseband
Bluetooth RF
Wi-Fi PSE
UART x 1
EFUSE
(4Kb)
SYSRAM
N9 CPU
ILM/DLM
SRAM/ROM
N9 Subsystem
TCM/Cache
96KB
CM4 SYSRAM
256KB
ARM Cortex
M4F
Crypto Engine
Watch Dog
Timer
25 Channel
Generic DMA
SPI Flash
controller
General
Purpose Timer
PMU
IrDA
SPI
M4 Subsystem
SPI Flash
GPIO/PWM x 28
I2C x 2
I2S
4 Channel
ADC
Note/FCC warning: This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy
and, if not installed and used in accordance with the instructions, may cause harmful