Cirrus Logic CS4207 - Manual (Page 27)

DS880F4 27
CS4207
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Output Path Output Pin Widget D0 Output Pin Widget D3
Output Converter Widget D0 • Normal Operation in D0
• Converter widget continues to
accept audio samples from the
HD Audio bus.
• Pin widget outputs a muted
audio signal, supports pres-
ence detect if enabled and
transitions to D3.
Output Converter Widget D3
• Converter widget stops ac-
cepting audio samples from
the HD Audio bus, sends mute
to the Pin widget and transi-
tions to D3.
• Pin widget outputs a muted
audio signal and supports
presence detect if enabled.
Remains in D0 state.
• Converter and Pin Widgets
are in low power D3 state.
Supports presence detect if
enabled.
Input Path Input Pin Widget D0 Input Pin Widget D3
Input Converter Widget D0 • 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.
Input Converter Widget D3
• Converter widget stops send-
ing audio samples to the HD
Audio bus and transitions to
D3.
• Pin widget shuts down and
supports presence detect if
enabled. Remains in D0 state.
• Converter and Pin Widgets
are in low power D3 state.
Supports presence detect if
enabled.
LineOut
Output Pin Widget
D0/D3 Power States
DAC
Output Converter Widget
D0/D3 Power States
HD_Audio
Bus
Line In
Input Pin Widget
D0/D3 Power States
ADC
Input Converter Widget
D0/D3 Power States