serial port uart master & slave cc2540 bluetooth module ble technology makes it possible that electronic devices bridge smart phones. compared with those wireless transmission technologies such as
serial port uart master & slave cc2540 bluetooth module
ble technology makes it possible that electronic devices bridge smart phones. compared with those wireless transmission technologies such as wifi, bluetooth 2.0, ble technology can get lower energy consumption, faster connection, longer distance of communication range, and other advantages. so it brings wider development scopes for smart phone peripherals.
texas instruments (ti) introduced cc254x series of soc low-power bluetooth transceiver. with classical 51 kernel inside, its most prominent features are rich periphery (including 21 io, uart, spi, usb2.0, pwm, adc, analog comparator, op-amp)
table 1. the pin functions of rf-cc2540a1
recommended footprint
pin attributes
