92hd88b4x5ndg Integrated Device Technology, 92hd88b4x5ndg Datasheet - Page 37

• Manufacturer Part Number: 92hd88b4x5ndg
• Description: Single Chip Pc Audio System Codec+mono Speaker Amplifier+capless Hp+ldo
• Manufacturer: Integrated Device Technology

IDT PROPRIETARY / IDT
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
92HD88
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
2.22.3. When Port E presence detect = 0
2.22.4. When Port E presence detect = 1
CONFIDENTIAL
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Presence detect for Port E = 0 (nothing plugged in)
Port F, the “Aux Audio In”, input is routed to Port A, B, or D when that port is active.
inactive (off)
detect = 1).
active and ports A and B will be inactive.
EAPD is used to indicate if AUX Audio Mode is in use.
Presence detect for Port E = 1 (something plugged in)
Port F, the “Aux Audio In”, input is routed to Ports A, B
Port D is disabled
the audio entering Port F.
detect = 1).
and the audio on Port F will play through the docked device (assuming that the docked device
signals that headphones are plugged into the device by using the Port E presence detect.)
EAPD is used to indicate if AUX Audio Mode is in use.
To save power, the power supply for Port B will be active only if Port B is in use (Port B presence
If neither Port A nor Port B is in use (port presence detect = 0), Port D, internal speakers, will be
If either Port A or Port B is in use (port presence detect = 1), that port will be enabled and output
To save power, the power supply for Port B will be active only if Port B is in use (Port B presence
If either Port A or Port B is in use (port presence detect = 1), Port D, internal speakers, will be
EAPD must not be forced low due to the dock being absent or high when a dock is present.
If neither Port A nor Port B is in use (port presence detect = 0), ports A and B will be inactive
EAPD must not be forced low due to the dock being absent or high when a dock is present.
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92HD88
PC AUDIO
V 0.94 07/11