User Manual
30 DS880F4
CS4207
Pin Sense; Presence 
Detect Bit only.
(verb ID = F09/709)
Update to reflect 
proper state and save 
any Unsolicited 
Response that has 
not been sent and 
send it after first verb 
is received.
Update to reflect 
proper state and issue 
an Unsolicited 
Response if enabled. 
Update to reflect 
proper state and issue 
an Unsolicited 
Response if enabled. 
Update to reflect 
proper state after tran-
sition back to full 
operation (D0).
EAPD/BTL enable; 
BTL 
(verb ID = F0C/70C)
Persist across Link 
Reset.
Settings are reset to 
POR default value. 
PS-SettingsReset set 
to ‘1’b. 
Persist across 
“Single” FG reset. 
Persist across Dx 
state transitions or 
BITCLK stopped. 
S/PDIF Digital Con-
verter Controls 1 & 2 
(verb ID = F0D/70D-
70E) 
Persist across Link 
Reset.
Settings are reset to 
POR default value. 
PS-SettingsReset set 
to ‘1’b. 
Persist across 
“Single” FG reset. 
Persist across Dx 
state transitions or 
BITCLK stopped. 
GPI/GPO Data, 
Enable Mask, Sticky 
Masks, Direction
(verb ID = F15-
F1A/715-71A)
Persist across Link 
Reset.
Settings are reset to 
POR default value. 
PS-SettingsReset set 
to ‘1’b. 
Persist across 
“Single” FG reset.
Persist across Dx 
state transitions or 
BITCLK stopped. 
Configuration 
Default; all 32 bits 
(verb ID = F1C/71C-
71F)
Persist across Link 
Reset.
Persist across “Dou-
ble” FG reset.
Persist across “Sin-
gle” FG reset. 
Persist across Dx 
state transitions or 
BITCLK stopped. 
Sub-System ID 
(verb ID = F20/720-
723)
Persist across Link 
Reset.
Persist across “Dou-
ble” FG reset. 
Persist across 
“Single” FG reset.
Persist across Dx 
state transitions or 
BITCLK stopped. 
Coefficient Index
(verb ID = D/5)
Persist across Link 
Reset.
Settings are reset to 
POR default value. 
Persist across 
“Single” FG reset. 
Persist across Dx 
state transitions or 
BITCLK stopped. 
Processing 
Coefficient
(verb ID = C/4)
Persist across Link 
Reset.
Settings are reset to 
POR default value. 
Persist across 
“Single” FG reset. 
Persist across Dx 
state transitions or 
BITCLK stopped. 
Coefficient 
Registers
Persist across Link 
Reset.
Settings are reset to 
POR default value. 
PS-SettingsReset set 
to ‘1’b. 
Persist across 
“Single” FG reset. 
Persist across Dx 
state transitions or 
BITCLK stopped. 
Digital loop from 
S/PDIF Receiver pin 
widget to S/PDIF 
Transmitter pin wid-
get
Digital Loop persists if 
enabled.
Digital Loop persists if 
enabled.
Digital Loop persists if 
enabled.
Digital Loop persists if 
enabled.
Setting Action with 
Link Reset 
Action with 
“Double” Function 
Group reset 
Action with 
“Single” Function 
Group reset 
Action across 
D0/D3 state 
transitions or link 
BITCLK stopped 
Table 1. Register Settings Across Reset Conditions










