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32-bit microcontroller CC2642R
communicationfor wireless transmissionARM

32-bit microcontroller - CC2642R - Texas Instruments - communication / for wireless transmission / ARM
32-bit microcontroller - CC2642R - Texas Instruments - communication / for wireless transmission / ARM
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Characteristics

Type
32-bit
Applications
communication, for wireless transmission
Other characteristics
ARM, programmable, capacitive touch, low-power, with radio transmitter, ADC

Description

Product family
  • SimpleLink™ wireless MCU (CC2642R): 2.4 GHz Bluetooth® Low Energy 5.2 optimized for ultra‑low‑power wireless communication and advanced sensing in industrial and embedded applications.


Key highlights
  • Supports Bluetooth® 5.2 features: LE Coded PHY (Long Range), LE 2M PHY, Advertising Extensions, Multiple Advertisement Sets, CSA#2, Direction Finding and backward compatibility with earlier LE specs.
  • Includes fully qualified Bluetooth® 5.2 stack in the SimpleLink™ LOWPOWER F2 SDK and supports OTA updates.
  • Designed for long battery life: standby current 0.94 µA with full RAM retention; shutdown 150 nA.
  • Industrial temperature range: −40 °C to 105 °C.
  • Autonomous ultra‑low‑power Sensor Controller CPU enables independent sampling, storage and preprocessing of sensor data.


Microcontroller & memory
  • Core: Arm® Cortex®‑M4F @ 48 MHz (EEMBC CoreMark ~148).
  • Flash: 352 kB in‑system programmable; ROM: 256 kB for protocol/library functions.
  • SRAM: 8 kB cache SRAM (or general RAM) + 80 kB ultra‑low‑leakage SRAM (parity‑protected); reported RAM available ≈88 kB.
  • Debug: 2‑pin cJTAG and JTAG; supports over‑the‑air firmware updates.


Peripherals & security
  • Peripherals: 12‑bit ADC (8 channels, 200 kS/s), 8‑bit DAC, 2× UART, 2× SSI (SPI), I2C, I2S, RTC, capacitive sensing up to 8 channels, programmable current source, integrated temp and battery monitor.
  • Timers: 4× 32‑bit or 8× 16‑bit general‑purpose timers.
  • Security: AES‑128/256, ECC/RSA accelerators, SHA‑2 (up to SHA‑512) accelerator, TRNG, device attestation, secure debug and software IP protection.


Sensor controller
  • Dedicated ultra‑low‑power Sensor Controller with 4 kB SRAM for autonomous ADC sampling, local storage and processing to minimize main CPU wakeups (example: 1 Hz ADC sampling at ~1 µA system current).
  • Fast wake capability for transitioning to higher performance modes when required.


Radio & regulatory
  • 2.4 GHz RF transceiver compatible with Bluetooth® 5.2 and earlier LE specs.
  • Receiver sensitivity examples: −105 dBm (LE Coded PHY 125 kbps); −97 dBm (1 Mbps PHY).
  • Max TX power up to +5 dBm with temperature compensation; coexistence support via 3‑wire/2‑wire/1‑wire PTA.
  • Designed to support regional radio approvals (EN 300 328, FCC Part 15, ARIB STD‑T66, etc.).


Low power consumption (selected modes)
  • Active RX: 6.9 mA.
  • Active TX 0 dBm: 7.0 mA; TX +5 dBm: 9.2 mA.
  • MCU active 48 MHz (CoreMark): 3.4 mA (~71 µA/MHz).
  • Sensor controller low‑power (2 MHz loop): 30.1 µA; active (24 MHz): 808 µA.
  • Standby (RTC on, 80 kB RAM + CPU retention): 0.94 µA; Shutdown (wake on external event): 150 nA.


Package information
  • 7 mm × 7 mm RGZ VQFN48 package (31 accessible GPIOs).


Development tools & software
  • CC26x2R LaunchPad™ development kit, SimpleLink™ LOWPOWER F2 SDK (includes qualified Bluetooth® 5.2 stack), SmartRF™ Studio, Sensor Controller Studio and common SimpleLink tools for rapid prototyping and RF tuning.


Applications
  • Building security, HVAC controls, asset tracking, medical sensors, portable electronics, connected peripherals and other industrial/embedded designs requiring low power and robust BLE connectivity.


Technical specifications
  • Model: CC2642R
  • CPU: Arm® Cortex®‑M4F @ 48 MHz
  • Flash: 352 kB; ROM: 256 kB
  • RAM: ~88 kB (including 80 kB ultra‑low‑leakage SRAM)
  • GPIOs: 31
  • ADC: 12‑bit, 8 ch, 200 kS/s; DAC: 8‑bit
  • Wireless: Bluetooth® Low Energy (2.4 GHz, Bluetooth® 5.2)
  • Sensitivity (best): ~−97 dBm (1 Mbps); −105 dBm (LE Coded PHY 125 kbps)
  • Operating temp: −40 °C to 105 °C
  • Package: VQFN (RGZ) 48‑pin, 7 × 7 mm
  • OS support: FreeRTOS, TI‑RTOS

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