Overview
The Texas Instruments SimpleLink™ CC1312R device is a high-performance, multiprotocol Sub-1 GHz wireless microcontroller (MCU) designed for low-power wireless communication and advanced sensing. It features a 32-bit Arm Cortex-M4F processor and is optimized for various applications including building security systems, HVAC, smart meters, medical devices, wired networking, portable electronics, and connected peripherals. The CC1312R supports industry-standard frequency bands such as 315 MHz, 433 MHz, 868 MHz, and 900 MHz, making it versatile for different industrial needs.
Key Specifications
| Parameter | Value |
|---|---|
| Package | VQFN (RGZ) with 48 pins |
| Operating Temperature Range | -40°C to 105°C |
| Processor | 32-bit Arm Cortex-M4F |
| Flash Memory | 352 KB |
| ROM | 256 KB |
| SRAM | 80 KB (with parity) + 8 KB cache SRAM |
| ADC Resolution | 12-bit, 200 kSamples/s, 8 channels |
| Comparators | 2 (1 continuous time, 1 ultra-low power) |
| UART | 2 |
| SSI (SPI, MICROWIRE, TI) | 2 |
| I2C | Yes |
| I2S | Yes |
| Real-time Clock (RTC) | Yes |
| Cryptographic Accelerators | AES 128- and 256-bit, ECC, RSA, SHA2 (up to SHA-512) |
| True Random Number Generator (TRNG) | Yes |
| Capacitive Sensing | Up to 8 channels |
| Temperature and Battery Monitor | Yes |
| DC/DC Converter | On-chip buck DC/DC converter |
| Supply Voltage Range | 1.8 V to 3.8 V |
| Active Mode Current Consumption | 5.8 mA (RX at 3.6 V, 868 MHz), 24.9 mA (TX at +14 dBm, 868 MHz) |
| Standby Current | 0.85 µA (RTC on, 80KB RAM and CPU retention) |
| Shutdown Current | 150 nA (wakeup on external events) |
Key Features
- Flexible Sub-1 GHz Radio: Supports industry-standard frequency bands (315 MHz, 433 MHz, 868 MHz, 900 MHz, and more).
- Low-Power Operation: Optimized for low-power wireless communication with low standby current (0.85 µA) and full RAM retention.
- Advanced Sensing: Programmable, autonomous ultra-low power Sensor Controller CPU with fast wake-up capability.
- Security Features: AES 128- and 256-bit cryptographic accelerator, ECC, RSA, SHA2 (up to SHA-512), and true random number generator (TRNG).
- Peripheral Support: Includes 2× UART, 2× SSI (SPI, MICROWIRE, TI), I2C, I2S, real-time clock (RTC), and capacitive sensing up to 8 channels.
- Development Environment: Part of the SimpleLink™ MCU platform with a common, easy-to-use development environment and rich tool set.
- Industrial Temperature Ready: Operates in the temperature range of -40°C to 105°C.
- On-Chip DC/DC Converter: Supports efficient power management.
Applications
- Building Security Systems: Ideal for wireless security sensors and alarm systems.
- HVAC Systems: Used in heating, ventilation, and air conditioning systems for remote monitoring and control.
- Smart Meters: Suitable for smart metering applications requiring low-power wireless communication.
- Medical Devices: Applied in medical devices that require reliable and low-power wireless connectivity.
- Portable Electronics: Used in portable devices such as wearables and handheld electronics.
- Home Theater & Entertainment: Integrated into home entertainment systems for wireless control and connectivity.
- Connected Peripherals: Used in various connected peripherals requiring low-power wireless communication.
Q & A
- What is the CC1312R device?
The CC1312R is a multiprotocol Sub-1 GHz wireless microcontroller (MCU) from Texas Instruments, optimized for low-power wireless communication and advanced sensing.
- What processor does the CC1312R use?
The CC1312R uses a 32-bit Arm Cortex-M4F processor.
- What is the memory configuration of the CC1312R?
The device has 352 KB of flash memory, 256 KB of ROM, and 80 KB of SRAM with parity.
- What are the key security features of the CC1312R?
The device includes AES 128- and 256-bit cryptographic accelerators, ECC, RSA, SHA2 (up to SHA-512), and a true random number generator (TRNG).
- What are the supported frequency bands for the CC1312R?
The CC1312R supports industry-standard frequency bands such as 315 MHz, 433 MHz, 868 MHz, and 900 MHz.
- What is the operating temperature range of the CC1312R?
The device operates in the temperature range of -40°C to 105°C.
- What is the power consumption in active and standby modes?
In active mode, the current consumption is 5.8 mA (RX at 3.6 V, 868 MHz) and 24.9 mA (TX at +14 dBm, 868 MHz). In standby mode, the current is 0.85 µA (RTC on, 80KB RAM and CPU retention).
- Does the CC1312R support over-the-air updates?
Yes, the CC1312R supports over-the-air (OTA) updates.
- What development environment does the CC1312R use?
The CC1312R is part of the SimpleLink™ MCU platform, which offers a common, easy-to-use development environment and rich tool set.
- What are some typical applications of the CC1312R?
The CC1312R is used in building security systems, HVAC systems, smart meters, medical devices, portable electronics, home theater & entertainment, and connected peripherals.
