· BLE5.0 supports 1Mbps/2Mbps switch
· Support SIG Mesh
· Meet BQB/SRRC/FCC/CE testing standards
· Radio frequency (RF):
· Operating frequency band: 2.4~2.5GHz
· 1Mbps mode reception sensitivity: -93 dBm
· 2Mbps mode reception sensitivity: -90 dBm
· RF output power: -20dbm ~ +8dBm
· 50dB RSSI dynamic range
· The ideal DCDC converter has a receiving current of 3.4mA and transmitting current of 3.5mA at 4.3V
· When the DCDC converter is 4.3V, the receiving current is 4.3mA and the transmitting current is 4.4mA
· When the DC DC converter is 3.3V, the receiving current is 5.5mA and the transmitting current is 5.6mA
· Clock and octave:
· 32MHz crystal and RC oscillator
· 32KHz RC oscillator
· Support 96 MHZ / 80 MHZ, 64 MHZ / 48 MHZ / 32 MHZ / 16 MHZ clock output
· Digital interface:
· 11 GPIOs
· 5 channel PWM output
· IO state is maintained during deep sleep
· 2 UART: flow control rate up to 1Mbps, support all baud rates below 1Mbps, support infrared
· 2 I2C: can be master and slave, the maximum speed is 1Mbps
· 2 timers and 1 watchdog
· 1 SPI host: up to 24Mbps
· 1 SPI slave: up to 8Mbps
· Analog interface:
· 1-way 10-bit AD
· Battery monitoring range: 2.0V~5.0
· Temperature sensor range: -40°C~85°C
· Built-in MCU:
· 4-way buffer
· SWD debug interface
· AHB/APB bus clock rate up to 96MHz
· Ultra low power consumption:
· Sleep current 2.5uA~6uA: SRAM (16~208KB) can be customized
· 1.28 seconds broadcast current: 20uA
· Memory cell:
· 2Mb Flash· 208KB OF SRAM is configurable and can be configured independently per 32KB
· 128KB ROM (boot ROM and BLE protocol stack)
· Reserve 32KB of swap memory for BLE connection data
· Power management:
· Integrated DCDC step-down converter
· 2.3~5.0V voltage input
· One 1.8V LDO 40mA output
· Two 3.3V LDO 50mA and 25mA output each
· Operating temperature: -25℃~85℃
· Encryption engine:
· ECC
· AES-128
· Encapsulation:
· QFN 32 pins 4mm X 4mm