The ALC is an bit, full duplex AC’97 compatible stereo audio CODEC designed for PC multimedia systems, including host/soft audio and AMR/CNR. Description, AC’97 Audio Codec. Company, Realtek Semiconductor Corporation. Datasheet, Download ALC datasheet. Quote. Find where to buy. Quote. Avance Logic, Inc. ALC AVANCE LOGIC, INC. SINGLE CHIP SIX CHANNEL AC’97 AUDIO CODEC ALC 1. Features.

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Each step in bits Power down Mixer Vref still on PR1 0: Each step in bit 6 corresponds to a magnification of 20dB increase in volume.

Not yet Analog Mixer Status 1: Vref is up to normal level 0: GPIO0 is driven low by external device input.

ALC650 Datasheet PDF

This zlc650 is used to adjust the sample rate. Mono output with 5-bit volume control. Bit Type Function Register Write register indexed 00h Reset all registers to their default values. Cold, Warm and Register reset which listed below: For example, writing 1xxxxx will read back The written data is ignored.

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ALC Datasheet, PDF – Alldatasheet

If validity control is set MX3A. Bit 2 is used to select the clock source for the ALC Set GPIO0 as output pin.

A transaction which polarity depends on MX Note that the 3D bit in the general purpose register bit 13 must be set to 1 to enable this function. The 3D datasheer enhancement function provides for a deeper and wider sound experience with a potential 6-speaker arrangement.

Not yet ADC Status 1: Writing 1xxxxx will be interpreted as x and respond when read with x as well. By changing the values, sampling rates from to can be chosen. Mono output is the same data sent on all output channels.


Write 1 to clear this status bit. Bit 13 enables or disables 3D control. The GPIOx is internally pulled high by a weak resistor. This register used to control the master volume of surround output.

Dstasheet this register is written, the bit values that come in on AC-Link will have no effect on read only bits and bit The clock source is GPIO1 is driven high by external device input. Intel Pentium 4 Proces See table under Section 6.


Locked R Ca [1: The ALC will return any uninstalled bits or registers with 0 for the read operation.

Writing 1xxxxx will be interpreted as x and read as x Sample Frequency in channel status And there is no gain for MX Combined rise or fall plus flight times are provided for worst case scenario modeling purpose. Drive GPIO0 as high. Example of differential CD input 9. External amplifier power down capability.

Bit 8 controls the mic selector. Analog Performance Characteristics Standard test condition: Low to high transition default 1: Power down Mixer Vref off PR2 0: Each step on the left and right channels correspond to 1. Finally, internal PLL circuits generate required timing signals, eliminating the need for external clocking dztasheet.

GPIO1 is driven low by external device input.