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AT73C213
3. Pin Description
Table 3-1.
Pin Description
Pin Name
LPHN
HPN
VBAT
HPP
CBP
PAINN
PAINP
SDIN
BCLK
LRFS
MCLK
RSTB
SMODE
GNDD
VDIG
SPI_DOUT
SPI_DIN
SPI_CLK
SPI_CSB
MONON
MONOP
AUXP
AUXN
VREF
AVDD
HSL
HSR
AVDDHS
LINEL
LINER
INGND
VCM
GNDB
I/O
O
O
I
O
O
I
I
I
I
I
I
I
I
GND
I
O
I/O
I
I
O
O
I
I
I
I
O
O
I
I
I
I
I
GND
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
33 (Bottom)
Type
Analog
Analog
Supply
Analog
Analog
Analog
Analog
Digital
Digital
Digital
Digital
Digital
Digital
Ground
Supply
Digital
Digital
Digital
Digital
Analog
Analog
Analog
Analog
Analog
Supply
Analog
Analog
Supply
Analog
Analog
Analog
Analog
Ground
Function
Low power audio stage output
Negative speaker output
Audio amplifier supply
Positive speaker output
Audio amplifier common mode voltage decoupling
Audio amplifier negative input
Audio amplifier positive input
Audio interface serial data input
Audio interface bit clock
Audio interface left/right channel synchronization frame pulse
Audio interface master clock input
Master reset (active low)
Serial interface selection (to connect to ground)
Digital ground
Digital supply
SPI data output
SPI data input
SPI clock
SPI chip select
Negative monaural driver output
Positive monaural driver output
Audio mono auxiliary positive input
Audio mono auxiliary negative input
Voltage reference pin for decoupling
Analog supply (DAC + Line in + Aux + Mono out)
Left channel headset driver output
Right channel headset driver output
Headset driver analog supply
Left channel line in
Right channel line in
Line signal ground pin for decoupling
Common mode reference for decoupling
Analog ground
3
2744B–PMAAC–11-Apr-08
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