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3. TECHNICAL BRIEF
Synthesiser
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Fully integrated synthesizer requires no external VCO varactor diode, resonator or loop filter
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Compatible with crystals between 7.5 and 40MHz(in multiples of 250KHz) or an external clock
Audio
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Single-ended stereo analogue output
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16-bit 48 kHz digital audio bit stream output
Baseband and Software
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Internal 48Kbyte RAM, allows full speed data transfer, mixed voice and data, and full piconet
operation, including all medium rate packet types
•
Logic for forward error correction, header error control, access code correlation. CRC,
demodulation, encryption bit stream generation, whitening and transmit pulse shaping. Supports
all Bluetooth v 2.0 + EDR features incl. ESCO and AFH
•
Transcoders for A-law, u-law and linear voice from host and A-law, u-law and CVSD voice over air
Physical Interfaces
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Synchronous serial interface up to 4Mbits/s for system debugging
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UART interface with programmable baud rate up to 4Mbits/s with an optional bypass mode
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USB v1.1 interface
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I2C slave for FM
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Two audio PCM interfaces (input and output)
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Analogue stereo (output only)
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Figure 21. Bluetooth / FM Radio Block Diagram
Содержание KP500
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