92HD91 Datasheet, PDF (14/298 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD91
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
AFG
Power
State
D4
D5
Input Output Used as output
Enable Enable for DAC/Mixer
Used as output
for analog
PC_Beep
Used as
input for
ADC, mixer
Port Behavior
-
-
Inactive (lower power) - Port keeps output coupling
caps charged if port uses caps.
-
-
Off - Charge on coupling caps (if used) will not be
maintained.
Table 2. Analog Output Port Behavior
IDT™ CONFIDENTIAL
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92HD91