I 2 S A u d i o I / O C a r d
Rev. 0.1
15
5
4
3
2
P
W
R
_3.
3_B
U
L
K
P
W
R
_5.
0_B
U
L
K
PW
R_
SYS_
BUL
K
C
2_D
A
T
_E
C
2_C
LK
_E
C
2_D
A
T
_D
C
2_C
LK
_D
ADC_
IN
1
ADC_
IN
0
ADC_
VREF
Ti
tle
400 W
C
esar
C
have
z
A
u
st
in
, TX
78701
Ti
tle
400 W
C
esar
C
have
z
A
u
st
in
, TX
78701
Ti
tle
400 W
C
esar
C
have
z
A
u
st
in
, TX
78701
H3
CO
NN_
UDP_
IO
_
H3
GND
51
NC
52
C2
_
D
AT
_
E
53
C
2
_C
LK
_E
54
C2
_
D
AT
_
D
55
C
2
_C
LK
_D
56
C2
_
D
AT
_
C
57
C
2
_C
LK
_C
58
C2
_
D
AT
_
B
59
C
2
_C
LK
_B
60
C2
_
D
AT
_
A
61
C
2
_C
LK
_A
62
EBID_
NSS
63
EBID_
M
ISO
64
EBID_
M
O
SI
65
EBID_
SCK
66
GND
67
PW
R_
SY
S_
BUL
K
68
PW
R_
SY
S_
BUL
K
69
P
W
R
_
3.
3V
_B
U
L
K
70
P
W
R
_
3.
3V
_B
U
L
K
71
P
W
R
_
3.
3V
_B
U
L
K
72
P
W
R
_
3.
3V
_B
U
L
K
73
P
W
R
_
5.
0V
_B
U
L
K
74
P
W
R
_
5.
0V
_B
U
L
K
75
P
W
R
_
5.
0V
_B
U
L
K
76
P
W
R
_
5.
0V
_B
U
L
K
77
PW
R_
VPP_
BUL
K
78
PW
R_
VPP_
BUL
K
79
PW
R_
HV2
_
BUS
80
PW
R_
HV2
_
BUS
81
PW
R_
HV1
_
BUS
82
PW
R_
HV1
_
BUS
83
PW
R_
AUX
_
BUS
84
PW
R_
AUX
_
BUS
85
PW
R_
IO_
B
US
86
PW
R_
IO_
B
US
87
PW
R_
IO_
O
UT
88
PW
R_
IO_
O
UT
89
PW
R_
IO
_
IN
90
PW
R_
IO
_
IN
91
PW
R_
RADIO_
OUT
92
PW
R_
RADIO_
OUT
93
PW
R_
RADIO_
IN
94
PW
R_
RADIO_
IN
95
PW
R_
VDD_
OUT
96
PW
R_
VDD_
OUT
97
PW
R_
VDD_
IN
98
PW
R_
VDD_
IN
99
GND
100
NC
1
NC
2
NC
3
NC
4
NC
5
NC
6
NC
7
NC
8
NC
9
NC
10
NC
11
NC
12
NC
13
NC
14
NC
15
NC
16
NC
17
NC
18
NC
19
NC
20
NC
21
NC
22
NC
23
NC
24
NC
25
NC
26
NC
27
NC
28
NC
29
NC
30
NC
31
NC
32
NC
33
NC
34
NC
35
NC
36
NC
37
NC
38
NC
39
NC
40
NC
41
NC
42
NC
43
NC
44
NC
45
NC
46
NC
47
NC
48
JT
A
G
_T
D
I_A
49
JT
A
G
_T
D
O
_A
50
H4
CO
NN_
UDP_
IO
_
H4
IDAC_
B
51
IDAC_
A
52
GND
53
DAC_
OUT
3
54
DAC_
OUT
2
55
DAC_
OUT
1
56
DAC_
OUT
0
57
DAC_
VREF
GND
58
DAC_
VREF
59
GND
60
ADC_
IN3
61
ADC_
IN2
62
ADC_
IN1
63
ADC_
IN0
64
ADC_
VREFG
N
D
65
ADC_
VREF
66
GND
67
C2
D_
RX
1
5
_
A
68
C2
D_
RX
1
4
_
A
69
C2
D_
RX
1
3
_
A
70
C2
D_
RX
1
2
_
A
71
C2
D_
RX
1
1
_
A
72
C2
D_
RX
1
0
_
A
73
C2
D_
RX
0
9
_
A
74
C2
D_
RX
0
8
_
A
75
C2
D_
RX
0
7
_
A
76
C2
D_
RX
0
6
_
A
77
C2
D_
RX
0
5
_
A
78
C2
D_
RX
0
4
_
A
79
C2
D_
RX
0
3
_
A
80
C2
D_
RX
0
2
_
A
81
C2
D_
RX
0
1
_
A
82
C2
D_
RX
0
0
_
A
83
C2
D_
T
X
1
5
_
A
84
C2
D_
T
X
1
4
_
A
85
C2
D_
T
X
1
3
_
A
86
C2
D_
T
X
1
2
_
A
87
C2
D_
T
X
1
1
_
A
88
C2
D_
T
X
1
0
_
A
89
C2
D_
T
X
0
9
_
A
90
C2
D_
T
X
0
8
_
A
91
C2
D_
T
X
0
7
_
A
92
C2
D_
T
X
0
6
_
A
93
C2
D_
T
X
0
5
_
A
94
C2
D_
T
X
0
4
_
A
95
C2
D_
T
X
0
3
_
A
96
C2
D_
T
X
0
2
_
A
97
C2
D_
T
X
0
1
_
A
98
C2
D_
T
X
0
0
_
A
99
GND
100
GND
1
NC
2
NC
3
NC
4
IT
M
_
CL
K
5
IT
M
_
DAT
3
6
IT
M
_
DAT
2
7
IT
M
_
DAT
1
8
IT
M
_
DAT
0
9
NC
10
EZR_
G
P
IO
4
11
EZR_
G
P
IO
3
12
EZR_
G
P
IO
2
13
EZR_
G
P
IO
1
14
EZR_
G
P
IO
0
15
EZR_
VDI
16
EZR_
ARSSI
17
EZR_
RESET
18
EZR_
SI1
0
0
X
_
R
X
19
EZR_
EFIT
20
EZ
R_
DT
O
21
E
Z
R
_
S
I100X
_T
X
22
EZ
R_
NF
F
S
23
EZRP_
N
IRQ
24
EZ
RP_
S
DN
25
GND
26
E
Z
R
P
_R
X
_
D
A
T
A
_O
U
T
27
EZ
RP_
R
X
_
CL
K_
OUT
28
EZ
RP_
T
X
_
DAT
A
_
IN
29
GND
30
E
Z
R
P
_C
LK
_I
N
31
GND
32
EX
T
R
EG
_
B
D_
A
33
EX
T
R
EG
_
O
UT
_
A
34
EX
T
R
EG
_
S
N_
A
35
EX
T
R
EG
_
SP_
A
36
I2
V_
INN_
A
37
I2
V_
INP_
A
38
GND
39
HVDA_
INN_
B
40
HVDA_
INP_
B
41
HVDA_
INN_
A
42
HVDA_
INP_
A
43
GND
44
CP_
N
EG_
B
45
C
P
_P
O
S
_B
46
CP_
N
EG_
A
47
C
P
_P
O
S
_A
48
CP_
O
UT
A_
A
49
CP_
O
UT
_
A
50
Figure
12.
UPIO-USB-AUDIO I/O Card Schema
tic (5 of 5
)
