CS4207-DNZ 查看數據表（PDF） - Cirrus Logic

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CS4207-DNZ

Low-power, 4-in / 6-out HD Audio Codec with Headphone Amp

Cirrus Logic 

CS4207

.

DAC

Output Converter Widget

D0/D3 Power States

LineOut

Output Pin Widget

D0/D3 Power States

HD_Audio

Bus

ADC

Input Converter Widget

D0/D3 Power States

Line In

Input Pin Widget

D0/D3 Power States

Output Path

Output Pin Widget D0

Output Pin Widget D3

• Converter widget continues to

accept audio samples from the

HD Audio bus.

Output Converter Widget D0 • Normal Operation in D0

• Pin widget outputs a muted

audio signal, supports pres-

ence detect if enabled and

transitions to D3.

• Converter widget stops ac-

cepting audio samples from

Output Converter Widget D3

the HD Audio bus,

to the Pin widget

sends mute

and transi-

•

tions to D3.

Converter and Pin Widgets

are in low power D3 state.

Supports presence detect if

• Pin widget outputs a muted enabled.

audio signal and supports

presence detect if enabled.

Remains in D0 state.

Input Path

Input Converter Widget D0

Input Converter Widget D3

Input Pin Widget D0

Input Pin Widget D3

• Normal Operation in D0

• Converter widget will send

“muted” audio samples to the

HD Audio bus. Remains in D0

state.

• Pin widget outputs a muted

audio signal, supports pres-

ence detect if enabled and

transitions to D3.

• Converter widget stops send-

ing audio samples to the HD

Audio

D3.

bus

and

transitions

to

•

Converter and Pin Widgets

are in low power D3 state.

• Pin widget shuts down and Supports presence detect if

supports presence detect if enabled.

enabled. Remains in D0 state.

DS880F4

27

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