CC2541 datasheet(2/33 Pages) TI

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CC2541

SWRS110A

– JANUARY 2012 – REVISED FEBRUARY 2012

www.ti.com

SOFTWARE FEATURES

CC2541 WITH TPS62730

•

Bluetooth v4.0 Compliant Protocol Stack for

•

TPS62730 is a 2-MHz Step-Down Converter

Single-Mode BLE Solution

With Bypass Mode

– Complete Power-Optimized Stack,

•

Extends Battery Lifetime by up to 20%

Including Controller and Host

•

Reduced Current in All Active Modes

– GAP – Central, Peripheral, Observer, or

•

30-nA Bypass Mode Current to Support

Broadcaster (Including Combination

Low-Power Modes

Roles)

•

RF Performance Unchanged

– ATT / GATT – Client and Server

•

Small Package Allows for Small Solution Size

– SMP – AES-128 Encryption and

•

CC2541 Controllable

Decryption

– L2CAP

DESCRIPTION

– Sample Applications and Profiles

The

CC2541

power-optimized

true

system-on-chip (SoC) solution for both Bluetooth low

– Generic Applications for GAP Central

energy

and

proprietary

2.4-GHz

applications.

and Peripheral Roles

enables robust network nodes to be built with low

– Proximity, Accelerometer, Simple Keys,

total bill-of-material costs. The CC2541 combines the

and Battery GATT Services

excellent performance of a leading RF transceiver

– More Applications Supported in BLE

with an industry-standard enhanced 8051 MCU,

in-system programmable flash memory, 8-KB RAM,

Software Stack

and many other powerful supporting features and

– Multiple Configuration Options

peripherals. The CC2541 is highly suited for systems

– Single-Chip Configuration, Allowing

where ultralow power consumption is required. This is

Applications to Run on CC2541

specified by various operating modes. Short transition

times between operating modes further enable low

– Network Processor Interface for

power consumption.

Applications Running on an External

Microcontroller

The CC2541 is pin-compatible with the CC2540 in

the 6-mm

× 6-mm QFN40 package, if the USB is not

– BTool – Windows PC Application for

used on the CC2540 and the I2C/extra I/O is not used

Evaluation, Development, and Test

on the CC2541. Compared to the CC2540, the

CC2541 provides lower RF current consumption. The

APPLICATIONS

CC2541 does not have the USB interface of the

•

2.4-GHz Bluetooth low energy Systems

CC2540, and provides lower maximum output power

in TX mode. The CC2541 also adds a HW I2C

•

Proprietary 2.4-GHz Systems

interface.

•

Human-Interface Devices (Keyboard, Mouse,

Remote Control)

The CC2541 is pin-compatible with the CC2533

RF4CE-optimized IEEE 802.15.4 SoC.

•

Sports and Leisure Equipment

The

CC2541

comes

two

different

versions:

•

Mobile Phone Accessories

CC2541F128/F256, with 128 KB and 256 KB of flash

•

Consumer Electronics

memory, respectively.

For the CC2541 block diagram, see Figure 1.

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