1 Features

Wireless MCU Processing Elements

• Arm® Cortex®-M33 processor (96MHz) with FPU

(floating point unit), TrustZone®-M support and

CDE (custom datapath extension) for machine

learning acceleration

• Algorithm Processing Unit (APU) (96MHz)

– Mathematical accelerator for efficient vector

and matrix operations

– Bluetooth® 6.0 Channel Sounding postprocessing

support for IFFT and advanced

super-resolution algorithms like MUSIC

(MUltiple SIgnal Classification)

Wireless MCU Memory

• Up to 1MB of in-system programmable flash

• Up to 162KB of SRAM

• 32KB of System ROM with secure boot root of

trust (RoT) and a serial (SPI/UART) bootloader

• Serial wire debug (SWD)

MCU Peripherals

• 23 GPIOs, digital peripherals can be routed to

multiple GPIOs

– Two IO pads SWD, multiplexed with GPIOs

– Two IO pads LFXT, multiplexed with GPIOs

– 19 DIOs (analog or digital IOs)

• All GPIOs with wakeup and interrupt capabilities

• 3 × 16-bit and 1 × 32-bit general-purpose timers,

quadrature decode mode support

• Real-time clock (RTC)

• Watchdog timer

• System timer for radio, RTOS, and application

operations for Bluetooth channel sounding

postprocessing

• 12-bit ADC, up to 1.2Msps, 8 external inputs

• Temperature sensor and battery monitor

• 1× low power comparator

• 2× UART with LIN capability

• 2× SPI

• 1× I2C

• 1× I2S

Security enablers

• Global Platform SESIP (Security Evaluation

Standard for IoT Platforms) Level 3 and Arm

PSA (Platform Security Architecture) Level 3

Certification

• Hardware Security Module (HSM) with proprietary

controller and dedicated memories supporting

accelerated cryptographic operations and secure

key storage:

– AES (up to 256 bits) crypto accelerator

– ECC (up to 521 bits), RSA (up to 3072 bits)

public key accelerator

– SHA-2 (up to 512 bits) accelerator

– True random number generator

– HSM firmware update support

• Separate AES 128bit crypto accelerator (LAES) for

latency-critical link-layer crypto operations

• Secure boot and secure firmware updates

• Cortex®-M33 TrustZone-M, MPU, memory

firewalls for software isolation

• Voltage glitch monitor (VGM)

Low power consumption (at 3.3V)

• On-chip buck DC/DC converter

• RX current: 6.1mA

• TX current at 0dBm: 7.7mA

• TX current at +10dBm: 24mA

• TX current at +20dBm: 128mA (P version)

• Active mode MCU 96MHz (CoreMark®): 6.8mA

• Standby: 0.9μA (low power mode, RTC on, full

RAM retention)

• Reset or Shutdown: 160nA

Wireless protocol support

• Matter

• Bluetooth® 6.x Low Energy

– Support for Bluetooth Channel Sounding (High

Accuracy Distance Measurement)

• Zigbee®

• Thread

• Proprietary Systems

High-performance radio

• 2.4GHz RF transceiver compatible with Bluetooth®

Low Energy specification and IEEE 802.15.4

specification

• Output power up to +10dBm (R version)

• Output power up to +20dBm (P version)

• Integrated BALUN

• Integrated RF switch

• Receiver sensitivity:

– -103.5dBm for Bluetooth® LE 125kbps

– -97dBm for Bluetooth® LE 1Mbps

– –103dBm for IEEE 802.15.4 (2.4GHz)

Regulatory compliance

• Designed for systems targeting compliance with

worldwide radio frequency regulations

– EN 300 328 (Europe)

– FCC CFR47 Part 15 (US)

– ARIB STD-T66 (Japan)

Development Tools and Software

• LP-EM-CC2745R10-Q1 LaunchPad™

Development Kit

• BP-EM-CS Multiple antenna board for Bluetooth

6.0 Channel Sounding

• SimpleLink™ Low Power F3 Software

Development Kit (SDK)

– Fully qualified Bluetooth® software protocol

stack in SDK

• Up to 32 concurrent multirole connections

• Bluetooth 6.0 Channel Sounding Support

• SysConfig system configuration tool

• SmartRF™ Studio for simple radio configuration

Operating range:

• Junction temperature TJ: –40⁰C to 125⁰C

• Wide supply voltage range 1.71V to 3.8V

Package

• 6mm × 6mm QFN40 with wettable flanks

2 Applications

• Medical

– Home healthcare—blood glucose monitors,

blood pressure monitor, CPAP machine,

electronic thermometer

– Patient monitoring and diagnostics—medical

sensor patches

– Personal care and fitness—electric toothbrush,

wearable fitness & activity monitor

• Building automation

– Building security systems—motion detector,

electronic smart lock, door and window sensor,

garage door system, gateway

– HVAC—thermostat, wireless environmental

sensor

– Fire safety system—smoke and heat detector

– Video surveillance—IP network camera

• Lighting

– LED luminaire

– Lighting control—daylight sensor, lighting

sensor, wireless control

• Factory automation and control

• Retail automation and payment—electronic point

of sale

– Electronic shelf label

• Grid infrastructure

– Smart meters—water meter, gas meter,

electricity meter, and heat cost allocators

– Grid communications—wireless

communications

– Long-range sensor applications

– Other alternative energy—energy harvesting

• Communication equipment

– Wired networking

– wireless LAN or Wi-Fi access points, edge

router

• Personal electronics

– Connected peripherals—consumer wireless

module, pointing devices, keyboards and

keypads

– Gaming—electronic and robotic toys

– Wearables (non-medical)—smart trackers,

smart clothing

3 Description

The SimpleLink™ CC2755R and CC2755P family of devices are 2.4GHz wireless microcontrollers (MCUs),

targeting Bluetooth® Low Energy (6.x and the upcoming versions), Zigbee (3.0 and the upcoming versions),

Thread (1.3 and the upcoming versions), Matter (1.2 and the upcoming versions) and Proprietary 2.4GHz

applications. These devices are optimized for low-power wireless communication with Over the Air Download

(OAD) support in building automation (wireless sensors, lighting control, beacons), appliances, asset tracking,

medical, and personal electronics (toys, HID, stylus pens) markets. Highlighted features of this device include:

• Support for Bluetooth® 6.0 and earlier version features:

– LE Coded PHYs (Long Range), LE 2Mbit PHY (high speed), advertising extensions, multiple

advertisement Sets, CSA#2, as well as backward compatibility with earlier Low Energy specifications.

– Bluetooth® Channel Sounding technology and Algorithm Processing Unit (APU) to enable high accuracy,

low cost, and secure phase-based ranging mechanism for distance estimation.

• APU enables latency and power-efficient execution of distance-ranging signal processing algorithms

including FFT and super-resolution complex algorithms like MUSIC (MUltiple SIgnal Classification) at

the lowest energy consumption.

• Arm (Custom Data Extension) CDE instruction support for machine learning acceleration

• Fully qualified Bluetooth software protocol stack included with the SimpleLink™ Low Power F3 Software

Development Kit (SDK)

• Zigbee® protocol stack support in the SimpleLink™ Low Power F3 Software Development Kit (SDK)

• Thread protocol stack support in SIMPLELINK TI OPENTHREAD SDK

• Matter stack support in SIMPLELINK MATTER SDK

• Advanced security features for connected wireless MCUs:

– Isolated HSM environment with a dedicated controller handling accelerated cryptographic and random

number generation operations

– Secure boot and firmware updates with the root of trust enabled by immutable system ROM

– ARM Cortex M33 TrustZone-M based trusted execution environment support

– Secure key storage support with HSM and TrustZone-M

– Hardware fault sensors to mitigate low-cost, low-effort, non-invasive physical attack threats like voltage

glitch injection.

– Dedicated AES-128 HW accelerator for handling timing critical link layer encryption/decryption operations

• Ultra-low standby current with full 162KB SRAM retention and RTC operation that enables significant battery

life extension, especially for applications with longer sleep intervals.

• Extended temperature support with the lowest standby current

• Integrated BALUN and integrated RF switch to support both transmit and receive operations on the same RF

pin even for the P version; thereby, enabling reduced a bill-of-material (BOM) board layout

• Excellent radio sensitivity and robustness (selectivity and blocking) performance for Bluetooth Low Energy

The CC2755R and CC2755P devices are part of the SimpleLink™ MCU platform, which consists of Wi-Fi®,

Bluetooth Low Energy, Thread, Zigbee, Sub1GHz MCUs, and host MCUs that all share a common, easy-to-use

development environment with a single core software development kit (SDK) and rich tool set. A one-time

integration of the SimpleLink™ platform enables you to add any combination of the portfolio’s devices into your

design, allowing 100 percent code reuse when your design requirements change. For more information, visit

SimpleLink™ MCU platform.