ALC658 datasheet(41/51 Pages) REALTEK

部件名	ALC658

功能描述	SIX-CHANNEL AC??7 2.3 AUDIO CODEC

PDF	51 Pages

Scroll/Zoom	100%

制造商	REALTEK [Realtek Semiconductor Corp.]

网页	https://www.realtek.com/en/

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41 / 51 page

ALC658

Datasheet

Six-Channel AC’97 2.3 Audio Codec

Rev. 1.3

7.2.6.

AC-Link Low Power Mode Timing

Table 59. AC-Link Low Power Mode Timing

Parameter

Symbol

Minimum

Typical

Maximum

Units

End of slot 2 to BIT_CLK,

SDATA_IN low

Ts2_pdown

1.0

µs

Ts2_pdown

slot-2

slot-1

Write to

MX26

Set PR4

SYNC

BITCLK

SDATA-OUT

SDATA-IN

Figure 8. AC-Link Low Power Mode Timing Diagram

7.2.7.

ATE Test Mode

To meet AC’97 rev. 2.3 specifications, EAPD, S/PDIFO, BIT_CLK and SDATA_IN should be floating in test mode.

Table 60. ATE Test Mode

Parameter

Symbol

Minimum

Typical

Maximum

Units

Setup to trailing edge of

RESET# (also applies to

SYNC)

Tsetup2rst

15.0

Rising edge of RESET# to

Hi-Z delay

Toff

25.0

Toff

Tsetup2rst

RESET#

SDATA-OUT

SDATA-IN, BITCLK

Hi-Z

Figure 9. ATE Test Mode Timing Diagram

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