92HD66B IDT [Integrated Device Technology], 92HD66B Datasheet - Page 280

• Manufacturer Part Number: 92HD66B
• Description: FOUR CHANNEL HD AUDIO CODECS
• Manufacturer: IDT [Integrated Device Technology]

92HD66B
FOUR CHANNEL HD AUDIO CODECS WITH DUAL CAPLESS HEADPHONE AMPLIFIERS
©2011 INTEGRATED DEVICE TECHNOLOGY, INC.
DVDD_LV
DMIC_CLK/GPIO1
DVDD_IO
DMIC0/GPIO2
SDATA_OUT
BITCLK
DVSS
SDATA_IN
DVDD
SYNC
RESET#
PCBeep
SENSE_A
SENSE_B
PORTE_L
PORTE_R
PORTF_L
PORTF_R
PORTC_L
PORTC_R
VREFFILT
CAP 2
VREFOUT-E
VREFOUT-C
Mono_Out
AVSS1
AVDD1
AVreg
PORTA_L (HP)
PORTA_R (HP)
PORTB_L (HP)
PORTB_R (HP)
AVSS2
V-
CAP-
CAP+
7.3.
Pin Name
Pin Table for 48-Pin
1.5V Digital Core Regulator Filter Cap
Digital Mic Clock Output/GPIO1
Reference Voltage (1.5V or 3.3V)
Digital Mic 01 Input/GPIO2
HD Audio Serial Data output from
controller
Digital Ground
HD Audio Serial Data Input to controller I/O(Digital)
Digital Vdd= 3.3V
HD Audio Frame Sync
HD Audio Reset
PC Beep Input
Jack insertion detection
Jack insertion detection
Port E Left
Port E Right
Port F Left
Port F Right
Port C Left
Port C Right
Analog Virtual Ground
ADC reference bypass capacitor
Reference Voltage out (for mic bias)
Reference Voltage out (for mic bias)
Mono output port
Analog Ground
Analog Vdd=5.0V
Analog Core LDO decoupling cap
Port A Output Left
Port A Output Right
Port B Output Left
Port B Output Right
Analog Ground
Charge-pump negative output
Charge-pump flying cap -
Charge-pump flying cap +
HD Audio Bit Clock
Pin Function
Table 31. 48-PinTable
280
I/O(Digital)
I/O(Digital)
I(Digital)
I/O(Analog)
I/O(Analog)
I/O(Analog)
O(Analog)
O(Analog)
O(Analog)
I(Analog)
O(Analog)
O(Analog)
O(Analog)
O(Analog)
O(Analog)
O(Analog)
I(Analog)
O(Analog)
O(Power)
I(Power)
I(Digital)
I(Digital)
I(Digital)
I(Power)
I(Digital)
I(Analog)
I(Analog)
I(Analog)
I/O(Analog)
I/O(Analog)
I/O(Analog)
O(Analog)
O(Analog)
I(Analog)
I(Analog)
I/O
Internal Pull-up
None
60K Pull-down
None
60K Pull-down
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Pull-down
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
25
26
27
28
29
30
31
32
33
34
35
36
23
24
location
QFN
V 1.0 2/12
92HD66B