CMI9761A 데이터 시트보기 (PDF) - Unspecified

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CMI9761A

6 Channel AC’97 2.3 Audio Codec

Unspecified 

CMI9761A/9761A+ DataSheet

2004/02/09, Rev 1.2

8.3 AC-Link Clocks

Parameter

Symbol Minimum Typical Maximum Units

BIT_CLK frequency

- 12.288 - MHz

BIT_CLK period

BIT_CLK output jitter

Tclk_period

-

-

81.4

-

ns

- 750.0 ps

BLT_CLK high pulse width

(note 1)

Tclk_high 36.0 40.7 45.0 ns

BIT_CLK low pulse width

(note 1)

Tclk_low 36.0 40.7 45.0 ns

SYNC frequency

-

48.0

- kHz

SYNC period

Tsync_period

-

20.8

-

µs

SYNC high pulse width

Tsync_high

-

1.3

-

µs

SYNC low_pulse width

Tsync_low

-

19.5

-

µs

Note 1: Worse case duty cycle restricted to 45/55.

Figure 6. BIT_CLK and SYNC Timing Diagram

Copyright 2003-2004 © C-Media Electronics Inc.

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