CS4207 Datasheet, PDF (26/144 Pages) Cirrus Logic – Low-power, 4-in / 6-out HD Audio CODEC with Headphone Amp

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.
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DS880F1