AT76C551 Datasheet, PDF (1/77 Pages) ATMEL Corporation – Single Chip Bluetooth™ Controller

Features
• Implements Bluetooth^™ Specification on Short Distance Wireless Communication in
2.4 GHz ISM Band
• Provides 1 Mbps Aggregate Bit Rate
• Supports Frequency Hopping Spread Spectrum Physical-layer Interface to Dedicated
Transceiver with Frequency Hopping Algorithm Implemented in Hardware
• Provides Baseband Functions in Hardware which Implement Bluetooth Low-level Bit
Processing Such as Forward Error Correction (FEC), Header Error Check (HEC) and
CRC Generation/Checking and Encryption/Decryption
• Integrated ARM7TDMI^® RISC Processor
• Glueless SRAM Interface, Supporting Up to 256K Bytes of Memory
• Glueless Flash Memory Interface, Supporting Up to 256K Bytes of Nonvolatile Memory
• Glueless PCMCIA Bus Interface Conforming to PC Card Standard – Feb. 1995
• USB Interface Conforming to Universal Serial Bus Standard Version 1.1
• 16550 UART Core Offering 32-byte Receive FIFO and Programmable Baud Rate
• Programmable 8/16-bit Wide External Memory Interface
• Supports Multiple Reference Clock Frequencies (13.000, 14.400, 16.800, 19.440 MHz)
• 176-lead LQFP
• 3.3V Supply
System Level Block Diagram
Receive Data Front-end
PCMCIA _USB
Interface _Slave
UART
Single Chip
Bluetooth^™
Controller
AT76C551
Receive Data Processing
Transmit Data Processing
3-Wire
Control Bus
Clock
Generator
RSSI
Receive Sequencing
Manager
Internal
RAM
Memory
Interface
AMBA Bus
Interface
Voice
CODEC
ARM
Power
Management
Rev. 1612D–08/01
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