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CC2544
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SWRS103D –JUNE 2011–REVISED MAY 2012
System-on-Chip for 2.4-GHz USB Applications
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FEATURES
• Microcontroller
– High-Performance and Low-Power 8051
• RF section
Microcontroller Core With Code Prefetch
– Single-Chip 2.4-GHz RF Transceiver and
– 32-KB Flash Program Memory
MCU
– 2 KB SRAM
– Data Rates and Modulation Formats:
– Hardware Debug Support
– 2-Mbps GFSK, 320-kHz Deviation
– Extensive Baseband Automation, Including
– 2-Mbps GFSK, 500-kHz Deviation
Auto-Acknowledgement and Address
– 1-Mbps GFSK, 160-kHz Deviation
Decoding
– 1-Mbps GFSK, 250-kHz Deviation
• Peripherals
– 500-kbps MSK
– Full Speed USB 2.0
– 250-kbps GFSK, 160-kHz Deviation
– 6 Endpoints (Endpoint 0 and 5 IN/OUT
– 250-kbps MSK
Endpoints)
– Excellent Link Budget, Enabling Long
– Internal Pullup for D+
Range Without External Front-Ends
– 5-V to 3.3-V Regulator
– Programmable Output Power up to 4 dBm
– Powerful Two-Channel DMA
– Excellent Receiver Sensitivity (–88 dBm at
– General-Purpose Timers (One 16-Bit, Two
2 Mbps)
8-Bit)
– Suitable for Systems Targeting Compliance
– Radio Timer, 40-Bit
With Worldwide Radio Frequency
– IR Generation Circuitry
Regulations: ETSI EN 300 328 and EN 300
440 Category 2 (Europe), FCC CFR47 Part
– Several Oscillators:
15 (US), and ARIB STD-T66 (Japan)
– 32-MHz XOSC
– Accurate RSSI Function
– 16-MHz RCOSC
• Layout
– 32-kHz RCOSC
– Few External Components
– 32-kHz Sleep Timer With Capture
– Reference Designs Available
– AES Security Coprocessor
– 32-pin 5-mm × 5-mm QFN (8 General I/O
– UART/SPI Serial Interface
Pins) Package
– 8 General-Purpose I/O pins (6 × 4-mA and 2
• Low Power
× 20-mA Drive Strength)
– Active Mode RX: 22.5 mA
– Watchdog Timer
– Active Mode TX (0 dBm): 27 mA
– True Random-Number Generator
– Power Mode 1 (4-µs Wake-Up): 1 mA
APPLICATIONS
– Wide Supply-Voltage Range
– 3.3V LDO Output • Proprietary 2.4-GHz Systems
– Supply Range: 2 V–3.6 V • Human Interface Devices (USB Dongle)
– USB 5-V Regulator: 4 V–5.45 V • Consumer Electronics
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2011–2012, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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