ALC5642R-VF-CG datasheet(32/156 Pages) REALTEK | Multi-Channel Audio Hub/CODEC

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ALC5642R-VF-CG 数据表(PDF) 32 Page - Realtek Semiconductor Corp.

部件名	ALC5642R-VF-CG

功能描述	Multi-Channel Audio Hub/CODEC

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制造商	REALTEK [Realtek Semiconductor Corp.]

网页	https://www.realtek.com/en/

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ALC5642-VF

Datasheet

Multi-Channel Audio Hub/CODEC with embedded Voice

DSP and SounzReal

TM Digital Sound Effect

Rev. 0.93

Slave Mode

Under slave mode BCLK and LRCK are configured as input. The SYSCLK can be input from MCLK,

and BCLK can be synchronous or asynchronous to MCLK. If the SYSCLK is selected from BCLK, the

internal PLL should generate 256*FS by BCLK. And the driver should set each divider to arrange the

clock distribution. Refer to Figure5. Audio Clock Tree, for details.

If an asynchronous MCLK input for BCLK and LRCK, you can turn ASRC function for this situation. As

Figure 6 shown, the MCLK is from external oscillator that clock is no relation (or asynchronous) with

SOC and BT or 3G BaseBand. For the connection for SOC and BT can connect directly to Codec and let

Codec as slave mode and SOC/BT as master mode.

For the clock requirement of MCLK must large than 512*FS as SYSCLK that FS is sample rate. If the

MCLK is smaller than 512*FS, that can use internal PLL to generate higher than 512*FS clock.

Codec

I2S-1 as Slave Mode

With ASRC

I2S-1 as Slave Mode

With ASRC

OSC

MCLK

SOC

BT/3G BB

Figure 7.

System Connection for ASRC Function

类似零件编号 - ALC5642R-VF-CG

制造商	部件名	数据表	功能描述
Realtek Semiconductor C...	ALC5640	1Mb / 150P	Multi-Channel Audio Hub/CODEC
	ALC5640-VB	1Mb / 150P	Multi-Channel Audio Hub/CODEC
	ALC5640-VB-CG	1Mb / 150P	Multi-Channel Audio Hub/CODEC
	ALC5640-VB-CGT	1Mb / 150P	Multi-Channel Audio Hub/CODEC
	ALC5640R-VB-CG	1Mb / 150P	Multi-Channel Audio Hub/CODEC

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类似说明 - ALC5642R-VF-CG

制造商	部件名	数据表	功能描述
Realtek Semiconductor C...	ALC5645	1Mb / 188P	Multi-Channel Audio Hub/CODEC
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Wolfson Microelectronic...	WM8994	3Mb / 359P	Multi-Channel Audio Hub CODEC for Smartphones
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List of Unclassifed Man...	AV2188	198Kb / 20P	Multi-Channel Audio CODEC
Asahi Kasei Microsystem...	AKD4626A-B	467Kb / 44P	Multi-channel Audio CODEC.
Wolfson Microelectronic...	WM8998	4Mb / 307P	High Performance Audio Hub CODEC
Asahi Kasei Microsystem...	AK7770EQ	412Kb / 22P	Audio DSP with Multi-Channel Audio CODEC

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