AT76C557_Advance_Information_Summary| Datasheet

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Features

Multichip Module (MCM) with Stacked 8-Mbit Parallel FLASH ARM7 based System Clock Generator Provides CPU Rates up to 72 MHz PLL Selection between Low Power (96 MHZ) or High Frequency (144 MHz) Flexible Power Management/Monitoring Support for Proprietary Interfaces through General Purpose Registers and GPIOs Integrated Audio Codec with: 1.8 Volt Supply Ultra Low Power Typical < 1mA for Normal Headset Use Voltage Regulator for Microphone Supply Stereo Microphone Input with Adjustable Analog Gain Highly Efficient A/D Converters with SNR > 75 dB and up to 32 KHz Sampling Configurable DSP Accelerators 9 Band Dynamic Equalizer Including Compressor and Soft Squelch Noise Canceling Full Stereo Independent Equalizer, Bass Boost and Volume Control Output Drivers with Full Stereo 20 Hz 20 KHz Audio Bandwith Low Output Resistance (< 5 Ohm) Capable of Driving All Standard Low Cost Speakers. Max Output Power (= 80 mW) at 16 Ohm Load SNR > 90 dB Distortion at -3dB of Full Swing < 0.1% (Typi
cal < 0.025%) CVSD, a-law, u-law Support Bluetooth Encryption/Decryption, Authentication and Key Generation Bluetooth v1.2 Compliant ( AFH, EV, PS Packets) Global Serial Interface (GSI) Emulates Any AFE Serial Interface (DBUS, JTAG, SPI) BlueRF Interface Supports RXMODE2, RXMODE3 in Bi-directional Modes Full-speed USB 1.1 Interface (12 MHz) Low Cost Package with the Following Interfaces: Bluetooth Radio SD / MMC USB SPI Master/Slave PCM I2C Master JTAG for ARM7 On-chip Speaker Drivers DSP SPI JTAG for MCU PCM Clock and Test Signals Power Management Signals Glueless External Parallel Flash Interface which Supports Connection up to 4 GBit (512 Mbit x 8) of NAND FLASH On Chip 96 Kbytes System Ram, Organized in Two Pages of 48 KBytes Each Three 16-bit Timer/Counters Programmable Watchdog Timer

Low Power-High Speed Bluetooth v1.2 Baseband with Audio Codec AT76C557 Summary

5679AS BLTH 07/05

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