WM8281ECSSLASHR datasheet(116/392 Pages) CIRRUS

Il numero della parte	WM8281ECS/R

Spiegazioni elettronici	Low Power Audio System with Ambient Noise Cancellation and Echo Cancellation

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Produttore elettronici	CIRRUS [Cirrus Logic]

Homepage	http://www.cirrus.com

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WM8281

116

Rev 4.0

WM8281 supports 3 ISRC blocks, ie. n = 1, 2 or 3

ISRCn_INT2_ENA

ISRCn_INT3_ENA

ISRCn_INT4_ENA

ISRCn_INT1_ENA

ISRCnINT1_SRC

ISRCnINT3_SRC

ISRCnINT4_SRC

ISRCnINT2_SRC

ISRC1 INT1 (A0h)

ISRC2 INT1 (A8h)

ISRC3 INT1 (B0h)

ISRC1 INT2 (A1h)

ISRC2 INT2 (A9h)

ISRC3 INT2 (B1h)

ISRC1 INT3 (A2h)

ISRC2 INT3 (AAh)

ISRC3 INT3 (B2h)

ISRC1 INT4 (A3h)

ISRC2 INT4 (ABh)

ISRC3 INT4 (B3h)

ISRCn_DEC2_ENA

ISRCn_DEC3_ENA

ISRCn_DEC4_ENA

ISRCn_DEC1_ENA

ISRCnDEC1_SRC

ISRCnDEC3_SRC

ISRCnDEC4_SRC

ISRCnDEC2_SRC

ISRC1 DEC1 (A4h)

ISRC2 DEC1 (ACh)

ISRC3 DEC1 (B4h)

ISRC1 DEC2 (A5h)

ISRC2 DEC2 (ADh)

ISRC3 DEC2 (B5h)

ISRC1 DEC3 (A6h)

ISRC2 DEC3 (AEh)

ISRC3 DEC3 (B6h)

ISRC1 DEC4 (A7h)

ISRC2 DEC4 (AFh)

ISRC3 DEC4 (B7h)

ISRCn_FSL

ISRCn_FSH

The ISRC provides synchronous conversion between two sample rates on either the SYSCLK or ASYNCCLK domain.

ISRCn_FSL identifies the lower of the two sample rates.

ISRCn_FSH identifies the higher of the two sample rates.

Both sample rates must be referenced to the same clock domain (SYSCLK or ASYNCCLK).

Figure 41 Isochronous Sample Rate Converters (ISRCs)

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