Data Sheet

1 Product overview

BF8H-N includes an ARM Cortex M3 32-bit processor, a Bluetooth LE 5.0/2.4G radio,

a 512-KB 󰍔ash memory, a 48-KB SRAM, 30 reusable I/O ports, charging management

for a lithium battery, and a 16-bit single-channel audio CODEC.

1.1 Features

• 32-bit processor with the ARM Cortex M3 inside

• Operating voltage: 1.8 to 4.3V. If the voltage is between 1.8 and 2.4V, the

module can start, but the optimal RF performance cannot be ensured. If the

voltage is between 2.5 and 3.6V, the overall performance will be normal.

• Peripherals: 6 PWMs, 4 ADCs, 30 GPIOs, 2 UARTs, 1 SPI, 1 MIC, and 1 speaker

• Support Li-Ion/Li-Polymer battery, programmable charging current, current up

to 200mA for fast charging

• Bluetooth RF features:

– Bluetooth LE 5.0

– The RF data rate can be up to 2 Mbps.

– Transmit power: +4 dBm

– Receiving sensitivity: -93 dBm@ 1 Mbps

– Support hardware encryption (AES/CCM)

– PCB antenna with a gain of 1.4 dBi

– Operating temperature: -20℃ to +85℃

1.2 Applications

• Outdoor

• Smart home

1.3 Change history

Update date Updated content Version after update

Feb. 14, 2022 This is the 󰍓rst release. V1.0.0

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