Overview
The CC2544RHBR from Texas Instruments is a highly integrated system-on-chip (SoC) designed for 2.4-GHz wireless applications. This device combines a robust RF transceiver with a single-cycle 8051 compliant CPU, 32-KB in-system programmable flash memory, and up to 2-KB RAM. It is optimized for low bill-of-material cost and is particularly suited for wireless consumer and Human Interface Device (HID) applications, including USB dongles.
Key Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 2380 MHz to 2495 MHz |
| Typical Application Frequency | 2400 MHz |
| Supply Voltage | 2 V to 3.6 V |
| Receive Current | 22.5 mA |
| Transmit Current (0 dBm) | 27 mA |
| Transmit Current (4 dBm) | 30 mA |
| Package | 32-pin 5-mm × 5-mm QFN |
| General-Purpose I/O Pins | 8 (6 × 4-mA and 2 × 20-mA drive strength) |
| Operating Ambient Temperature Range | -40°C to 85°C |
| Receiver Sensitivity | -87 dBm to -95 dBm depending on data rate and modulation |
| Output Power | Up to 4 dBm |
Key Features
- Single-chip 2.4-GHz RF transceiver and MCU
- Data rates and modulation formats: 2-Mbps GFSK, 1-Mbps GFSK, 500-kbps MSK, and 250-kbps GFSK
- Excellent link budget and receiver sensitivity
- Programmable output power up to 4 dBm
- Powerful two-channel DMA and general-purpose timers
- AES security coprocessor and true random-number generator
- USB, SPI, and UART serial interfaces
- Low power consumption with various power modes
- Compliance with worldwide radio frequency regulations (ETSI, FCC, ARIB)
Applications
- Wireless consumer electronics
- Human Interface Devices (HID), such as USB dongles
- Proprietary 2.4-GHz systems
- Other wireless applications requiring low power and high performance
Q & A
- What is the CC2544RHBR?
The CC2544RHBR is a 2.4-GHz RF Value Line SoC from Texas Instruments, combining an RF transceiver with a single-cycle 8051 compliant CPU. - What are the key applications of the CC2544RHBR?
The CC2544RHBR is ideal for wireless consumer electronics, Human Interface Devices (HID) like USB dongles, and proprietary 2.4-GHz systems. - What are the supported data rates and modulation formats?
The device supports data rates and modulation formats such as 2-Mbps GFSK, 1-Mbps GFSK, 500-kbps MSK, and 250-kbps GFSK. - What is the operating supply voltage range of the CC2544RHBR?
The operating supply voltage range is from 2 V to 3.6 V. - What is the typical receive current of the CC2544RHBR?
The typical receive current is 22.5 mA. - Does the CC2544RHBR support USB interface?
Yes, the CC2544RHBR supports USB, SPI, and UART serial interfaces. - What is the package type of the CC2544RHBR?
The device comes in a 32-pin 5-mm × 5-mm QFN package. - Is the CC2544RHBR compliant with global radio frequency regulations?
Yes, it complies with regulations from ETSI, FCC, and ARIB. - What are the key power-saving features of the CC2544RHBR?
The device features various power modes, including active, sleep, and power-down modes, to minimize power consumption. - Does the CC2544RHBR have built-in security features?
Yes, it includes an AES security coprocessor and a true random-number generator.
