BM-401 is a Bluetooth V4.0 Low Energy module that provides a complete solution from various interfaces to different sensors to BLE protocol stack and applications. It includes 32MHz crystal and a system-on-chip TI CC2540.
The minimal parts count and small footprint of the BM-401 is ideally suited for the requirement of high integration Bluetooth Low Energy technology in portable devices and consumer electronics.
The system-on-chip architecture design of the module makes a much smaller space and minimal cost and simplifies the whole system design.
Support Bluetooth SIG V4.0 Low Energy single mode specification
Accurate Digital Received Signal Strength Indicator (RSSI)
Various power saving modes
Wide supply voltage range (2V~3.6V)
Microcontroller • High performance & low power 8051 core • 128KB In-system-programmable • 8 KB SRAM
Support various interfaces • 12-bit ADC with eight channels and configurable resolution • General purpose timers (one 16-bit, two 8-bit) • 21 general purpose I/O • 32 KHz sleep timer with capture • Two powerful USART with support for several serial protocols.