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1.1 Features 1

? True Single-Chip BLE Solution: CC2540T Can Run

Both Application and BLE Protocol Stack, Includes

Peripherals to Interface With Wide Range of

Sensors, and so forth

? Operating Temperature up to 125°C

? 6-mm × 6-mm Package

? RF

– Bluetooth? Low Energy Technology Compatible

– Excellent Link Budget (up to 97 dB), Enabling

Long-Range Applications Without External Front

End

– Accurate Digital Received Signal-Strength

Indicator (RSSI)

– Suitable for Systems Targeting Compliance With Worldwide Radio Frequency Regulations:

? ETSI EN 300 328 and EN 300 440 Class 2

(Europe)

? FCC CFR47 Part 15 (US)

? ARIB STD-T66 (Japan)

? Layout

– Few External Components

– Reference Design Provided

– 6-mm × 6-mm VQFN40 Package

? Low Power

– Active Mode RX Down to 19.6 mA

– Active Mode TX (–6 dBm): 24 mA

– Power Mode 1 (3-μs Wake Up): 235 μA

– Power Mode 2 (Sleep Timer On): 0.9 μA

– Power Mode 3 (External Interrupts): 0.4 μA

– Wide Supply Voltage Range (2 V–3.6 V)

– Full RAM and Register Retention in All Power

Modes

? TPS62730 Compatible,

Low Power in Active Mode

– RX Down to 15.8 mA (3-V Supply)

– TX (–6 dBm): 18.6 mA (3-V Supply)

? Microcontroller

– High-Performance and Low-Power 8051

Microcontroller Core

– 256KB of In-System-Programmable Flash

– 8KB of SRAM

? Peripherals

– 12-Bit ADC With Eight Channels and

Configurable Resolution

– Integrated Ultralow-Power Comparator

– General-Purpose Timers (One 16-Bit, Two 8-Bit)

– 21 General-Purpose I/O (GPIO) Pins

(19 × 4 mA, 2 × 20 mA)

– 32-kHz Sleep Timer With Capture

– Two Powerful USARTs With Support for Several

Serial Protocols

– Full-Speed USB Interface

– IR Generation Circuitry

– Powerful Five-Channel DMA

– AES Security Coprocessor

– Battery Monitor and Temperature Sensor

– Each CC2540T Contains a Unique 48-Bit IEEE

Address

? Bluetooth v4.0 Compliant Protocol Stack for Single-Mode BLE Solution

– Complete Power-Optimized Stack, Including

Controller and Host

? GAP: Central, Peripheral, Observer, or

Broadcaster (Including Combination Roles)

? ATT and GATT: Client and Server

? SMP: AES-128 Encryption and Decryption

? L2CAP

– Sample Applications and Profiles

? Generic Applications for GAP Central and

Peripheral Roles

? Proximity, Accelerometer, Simple Keys, and

Battery GATT Services

– Multiple Configuration Options

? Single-Chip Configuration, Allowing

Application to Run on CC2540T

? Network Processor Interface for Applications

Running on an External Microcontroller

– BTool: Windows PC Application for Evaluation,

Development, and Test

? Development Tools

– CC2540T Mini Development Kit

– SmartRF? Software

– Supported by IAR Embedded Workbench?

Software for 8051

1.2 Applications

? 2.4-GHz Bluetooth Low Energy Systems

? Lighting

? Motor Monitoring

? Proximity Sensing

? Cable Replacement

? Power Tools

? Maintenance

? Wireless HMI and Remote Display

? USB Dongles

? Smart Phone Connectivity

1.3 Description

The CC2540T device is a cost-effective, low-power, true wireless MCU for Bluetooth low energy

applications. The CC2540T enables robust BLE master or slave nodes to be built with very low total bill-ofmaterial

costs, and it can operate up to 125°C. The CC2540T combines an excellent RF transceiver with

an industry-standard enhanced 8051 MCU, in-system programmable flash memory, 8KB of RAM, and

many other powerful supporting features and peripherals. The CC2540T is suitable for systems where

very low power consumption is required. Very low-power sleep modes are available. Short transition times

between operating modes further enable low power consumption.

Combined with the Bluetooth low energy protocol stack from Texas Instruments, the CC2540TF256 forms

the market’s most flexible and cost-effective single-mode Bluetooth low energy solution.