Some of the features TI CC2540/1

• Excellent performance and low power 8051 microcontroller core with code prefetch feature

• 256K system programmable flash memory

• 8KB RAM, with a power supply in a variety of data retention

• Hardware debugging support

• The powerful 5-channel DMA

• Extended baseband automation, including automatic recognition and address

• General-purpose timers (one 16bit, two 8bit)

• IR generating circuit

• 32-kHz sleep timer capture

• Accurate digital RSSI / LQI support

• 2 channels can be configured 12-bit ADC resolution

• AES security coprocessor

• 2 Powerful USART interface to support multiple serial protocol

• 1 common SPI interface

• 8 general purpose I / O pins (6 × 4 mA, 2 × 20 mA)

• Watchdog Timer

• Wireless Performance

  1. Suitable excellent receiver sensitivity (at 1 Mbps is -94 dBm), selectable, and barrier properties

  2. Programmable output power up to 4dBm (2540) / 0dBm (2541)

• 2541 Low Power

  1. RX mode low: 17.9 mA

  2. Mode TX (0 dBm): 18.2 mA

  3. Power mode 1 (4-μs wake): 270 μA

  4. Power Mode 2 (Sleep timer open): 1 μA

  5. Power Mode 3 (external interrupts): 0.5 μA

  6. Wide supply voltage range (2 V-3.6 V)

• 2540 Low Power

  1. RX mode low: 19.6

  2. Mode TX (-6 dBm): 24 mA

  3. Power mode 1 (3-μs wake): 235 μA

  4. Power Mode 2 (Sleep timer Open): 0.9 μA

  5. Power Mode 3 (external interrupts): 0.4 μA

  6. Wide supply voltage range (2 V-3.6 V)