ADAV4622BSTZ datasheet(26/28 Pages) AD

Nome de Peças	ADAV4622BSTZ

Descrição Electrónicos	Audio Processor for Advanced TV with Sound IF Demodulator and Stereo Decoder

PDF	28 Pages

Scroll/Zoom	100%

Fabricante Electrônico	AD [Analog Devices]

Página de início	http://www.analog.com

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26 / 28 page

ADAV4622

Rev. B | Page 26 of 2

AUDIO

PROCESSOR

MEMORY

ADDRESS

DATA

DEFAULT

CODE

I2C PORT

LOAD

COMMAND

LOAD

RESET

BOOT-UP

ROM

CUSTOM

CODE

EXTERNAL

BOOT-UP ROM

47260 BYTES (MAX)

AUDIO

PROCESSOR

LOADING A CUSTOM AUDIO PROCESSING FLOW

The ADAV4622 can load a custom audio flow from an external

I2C ROM. The boot process is initiated by a simple control

start address for the audio flow ROMs can all be programmed.

For the duration of the boot sequence, the ADAV4622 becomes

the master on the I2C bus. Transfer of the ROMs from the

EEPROM to the ADAV4622 takes a maximum of 1.06 sec,

assuming that the full audio processor memory is required,

during which time no other devices should access the I2C bus.

Once the transfer is complete, the ADAV4622 automatically

reverts to slave mode, and the I2C bus master can resume

sending commands.

Figure 33. External EEPROM Booting

ADAV4622BSTZ Folha de dados(PDF) 26 Page - Analog Devices