CC2544 ACTIVE

Parameters

Features & description

• RF section
  • Single-Chip 2.4-GHz RF Transceiver and MCU
  • Data Rates and Modulation Formats:
    • 2-Mbps GFSK, 320-kHz Deviation
    • 2-Mbps GFSK, 500-kHz Deviation
    • 1-Mbps GFSK, 160-kHz Deviation
    • 1-Mbps GFSK, 250-kHz Deviation
    • 500-kbps MSK
    • 250-kbps GFSK, 160-kHz Deviation
    • 250-kbps MSK
  • Excellent Link Budget, Enabling Long Range
    Without External Front-Ends
  • Programmable Output Power up to 4 dBm
  • Excellent Receiver Sensitivity (–88 dBm at 2 Mbps)
  • Suitable for Systems Targeting Compliance With
    Worldwide Radio Frequency Regulations:
    ETSI EN 300 328 and EN 300 440 Category 2 (Europe),
    FCC CFR47 Part 15 (US), and ARIB STD-T66 (Japan)
  • Accurate RSSI Function
• Layout
  • Few External Components
  • Reference Designs Available
  • 32-pin 5-mm × 5-mm QFN (8 General I/O Pins) Package
• Low Power
  • Active Mode RX: 22.5 mA
  • Active Mode TX (0 dBm): 27 mA
  • Power Mode 1 (4-µs Wake-Up): 1 mA
  • Wide Supply-Voltage Range
    • 3.3V LDO Output
    • Supply Range: 2 V–3.6 V
    • USB 5-V Regulator: 4 V–5.45 V
• Microcontroller
  • High-Performance and Low-Power 8051 Microcontroller Core With Code Prefetch
  • 32-KB Flash Program Memory
  • 2 KB SRAM
  • Hardware Debug Support
  • Extensive Baseband Automation, Including Auto-Acknowledgement and Address Decoding
• Peripherals
  • Full Speed USB 2.0
    • 6 Endpoints (Endpoint 0 and 5 IN/OUT Endpoints)
    • Internal Pullup for D+
    • 5-V to 3.3-V Regulator
  • Powerful Two-Channel DMA
  • General-Purpose Timers (One 16-Bit, Two 8-Bit)
  • Radio Timer, 40-Bit
  • IR Generation Circuitry
  • Several Oscillators:
    • 32-MHz XOSC
    • 16-MHz RCOSC
    • 32-kHz RCOSC
  • 32-kHz Sleep Timer With Capture
  • AES Security Coprocessor
  • UART/SPI Serial Interface
  • 8 General-Purpose I/O pins (6 × 4-mA and 2 × 20-mA Drive Strength)
  • Watchdog Timer
  • True Random-Number Generator

The CC2544 is an optimized system-on-chip (SoC) solution for USB applications with datarates upto 2Mbps built with low bill-of-material cost. The CC2544 combines the excellent performance of a leading RF transceiver with a single-cycle 8051 compliant CPU, 32-KB in-system programmable flash memory, up to 2-KB RAM, and many other powerful features.

The CC2544 is compatible with the CC2541/CC2543/CC2545. It comes in a 5-mm × 5-mm QFN32 package, with SPI/UART/USB interface. The CC2544 comes complete with reference designs from Texas Instruments.

The devices target wireless consumer and HID applications. The CC2544 is ideal for USB dongle applications.