92HD66B Datasheet, PDF (281/286 Pages) Integrated Device Technology – FOUR CHANNEL HD AUDIO CODECS

92HD66B
FOUR CHANNEL HD AUDIO CODECS WITH DUAL CAPLESS HEADPHONE AMPLIFIERS
Pin Name
Pin Function
I/O
CPVreg
AVDD2
PORTA_L (IN)
PORTA_R (IN)
AVSS2
PORTB_L(IN)
PORTB_R(IN)
GPIO 4
SPDIFIN
SPDF1/GPIO0/
DMIC1
EAPD
SPDF0/GPIO3/
DMIC1
Charge-pump LDO decoupling cap
O(Analog)
Analog Supply for VREG
I(Power)
Port A Left Input
I(Analog)
Port A Right Input
I(Analog)
Analog Ground
I(Power)
Port B Left Input
I(Analog)
Port B Right Input
I(Analog)
General purpose I/O
I/O (Digital)
SPDIF Input
I(Digital)
SPDIF 0utput, GPIO0, Digital
microphone input
I/O(Digital)
External Amplifier Power Down (active
low)
I/O(Digital)
SPDIF 0utput, GPIO3, Digital
microphone input
I/O(Digital)
Table 31. 48-PinTable
7.4. Pin Table for 40-Pin
Internal Pull-up QFN
Pull-down location
None
37
None
38
None
39
None
40
None
41
None
42
None
43
60K Pull-Down 44
60K Pull-Down 45
60K Pull-Down 46
60K Pull-Up
47
60K Pull-Down 48
Pin Name
DVDD_LV
DMIC_CLK/GPIO1
DMIC0/GPIO2
SDATA_OUT
BITCLK
SDATA_IN
DVDD
SYNC
RESET#
PCBeep
SENSE_A
PORTF_L
PORTF_R
PORTC_L
PORTC_R
VREFFILT
CAP 2
Pin Function
I/O
1.5V Digital Core Regulator Filter Cap O(Power)
Digital Microphone clock output or GPIO
1
I/O(Digital)
Digital Microphone data input or GPIO 2 I/O(Digital)
HD Audio Serial Data output from
controller
I(Digital)
HD Audio Bit Clock
I(Digital)
HD Audio Serial Data Input to controller I/O(Digital)
Digital Vdd= 3.3V
I(Power)
HD Audio Frame Sync
I(Digital)
HD Audio Reset
I(Digital)
PC Beep input
I(Analog)
Jack insertion detection
I(Analog)
Port F Left
I/O(Analog)
Port F Right
I/O(Analog)
Port C Left
I/O(Analog)
Port C Right
I/O(Analog)
Analog Virtual Ground
O(Analog)
ADC reference bypass capacitor
O(Analog)
Table 32. 40-Pin Table
Internal Pull-up QFN
Pull-down location
None
1
60K Pull-Down 2
60K Pull-Down 3
None
4
None
5
None
6
None
7
None
8
None
9
None
10
None
11
None
12
None
13
None
14
None
15
None
16
None
17
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92HD66B