92HD66C Datasheet, PDF (287/291 Pages) Integrated Device Technology – SIX CHANNEL HD AUDIO CODECS

92HD66C
SIX CHANNEL HD AUDIO CODECS WITH DUAL CAPLESS HEADPHONE AMPLIFIERS
Pin Name
VREFOUT-C
AVSS1
AVDD1
AVreg
PORTA_L (HP)
PORTA_R (HP)
PORTB_L (HP)
PORTB_R (HP)
AVSS2
V-
CAP-
CAP+
CPVreg
AVDD2
PORTA_L(IN)
PORTA_R(IN)
AVSS2
PORTB_L(IN)
PORTB_R(IN)
SPDIFIN
SPDF1/GPIO0/
DMIC1
EAPD
SPDF0/GPIO3/
DMIC1
Pin Function
I/O
Reference Voltage out drive (intended
for mic bias)
O(Analog)
Analog Ground
I(Power)
Analog Vdd=5.0V or 3.3V
I(Analog)
Analog Core LDO decoupling cap
O(Analog)
Port A Output Left
O(Analog)
Port A Output Right
O(Analog)
Port B Output Left
O(Analog)
Port B Output Right
O(Analog)
Analog Ground
I(Power)
Charge-pump negative output
O(Analog)
Charge-pump flying cap -
I(Analog)
Charge-pump flying cap +
O(Analog)
Charge-pump LDO decoupling cap
I(Analog)
Analog Supply for VREG
I(Power)
Port A Left Input
I(Analog)
Port ARight Input
I(Analog)
Analog Ground
I(Power)
Port B Left Input
I(Analog)
Port B Right Input
I(Analog)
SPDIF Input
I (Digital)
SPDIF output, GPIO0, or digital
microphone input
I/O(Digital)
External Amplifier Power-Down (active
low)
I/O(Digital)
SPDIF output, GPIO3, or digital
microphone input
I/O(Digital)
Table 32. 40-Pin Table
Internal Pull-up QFN
Pull-down location
None
18
None
19
None
20
None
21
None
22
None
23
None
24
None
25
None
26
None
27
None
28
None
29
None
30
None
31
None
32
None
33
None
34
None
35
None
36
60K Pull-Down 37
60K Pull-Down 38
60K Pull-Up
39
60K Pull-Down 40
IDT CONFIDENTIAL
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92HD66C