EB-GS2972
Evaluation Board User Guide
50283 - 2
May 2012
10 of 22
2.2 Audio Input Schematic
Figure 2-2: Audio Input
S
chematics
AES_IN3_4
Master
c
lo
c
k for SR
C
G
ND
Au
d
io_R
ST
IO_V_SR
C
4382
Au
d
io_RST
sl
ow
_48k
SR
C
4382_SPI0
TP1
6
G
SPI_
G
S4911_3
A
C
LK_
G
S4911
Au
d
io_RST
SR
C
4382_SPI1
Au
d
io outputs an
d
SPI
TP17
G
ND
SR
C
4382_SPI2
R8
6
1.15K
3V3_SR
C
4382
G
ND
G
SPI_
G
S4911_2
SR
C
4382_SPI3
A
C
LK_
G
S4911
SR
C
4382_SPI
3
AES3_4_SR
C
4382
C
122 0.1u
C
148
0.1u
G
ND
G
ND
G
r2_AES_Ser
Part Ref eren
c
e
105R
G
ND
AES1_2_SR
C
4382
C
143
0.1u
C
144
0.1u
A
3
B
4
R
5
G
ND
2
V
cc
1
110R
U10
SN
6
5LVDT2
V
CC
_3.3V
G
ND
G
ND
G
ND
G
SPI_
G
S4911_1
C
onne
c
t pin 44 to pin 10.
Pin 10 is then
c
onne
c
te
d
to
the
g
roun
d
plane.
G
ND
G
ND
slow_48k
S_AUDIO_[3:0]
G
ND
G
ND
SR
C
4382_SPI
2
G
SPI_
G
S4911_0
3V3_SR
C
4382
P
C
LK_
G
S4911
S_AUDIO_2
1
B1
3
B2
S
6
G
ND
2
A
4
5
V
cc
U18
SN74LV
C
1
G
3157
IO_V_SR
C
4382
SR
C
4382_SPI
4
SR
C
4382_SPI4
G
ND
G
ND
R111
105R
AES3_4_SR
C
4382
C
14
6
0.1u
C
145
0.1u
V
CC
_3.3V
G
ND
A
3
B
4
R
5
G
ND
2
V
cc
1
110R
U11
SN
6
5LVDT2
G
ND
G
ND
G
ND
RX1+
1
RX1-
2
RX2+
3
RX2-
4
RX3+
5
RX3-
6
RX4+
7
RX4-
8
V
CC
9
A
G
ND
10
LO
C
Kb
11
RX
C
KO
12
RX
C
KI
13
MUTE
14
RDY
b
15
D
G
ND1
1
6
VD
D
1
8
17
C
PM
18
C
Sb
19
CC
LK
20
C
DIN
21
C
DO
UT
22
INTb
23
RS
Tb
24
M
C
LK
25
G
PO1
2
6
G
PO2
27
G
PO3
28
G
PO4
29
D
G
ND2
30
TX-
31
TX+
32
VDD33
33
AESOUT
34
BLS
35
SY N
C
3
6
B
C
KA
37
LR
C
KA
38
SD
IN
A
39
S
D
O
UTA
40
N
C
41
VI
O
42
D
G
ND3
43
B
G
ND
44
S
D
O
UTB
45
SD
IN
B
4
6
LR
C
KB
47
B
C
KB
48
U2
6
SR
C
4382
G
ND
AES_IN5_
6
AES5_
6
R92
105R
C
12
6
0.1u
G
ND
C
125
0.1u
A
3
B
4
R
5
G
ND
2
V
cc
1
110R
U12
SN
6
5LVDT2
G
ND
G
ND
SR
C
4382_SPI
2
V
CC
A
1
V
CC
B
10
A0
2
A1
3
TR0
4
TR1
6
G
ND
5
OEb
7
B0
9
B1
8
U24
FXL2TD245
G
ND
P
C
LK_
G
S4911
G
SPI
_
G
S4911_3
RX1+
1
RX1-
2
RX2+
3
RX2-
4
RX3+
5
RX3-
6
RX4+
7
RX4-
8
V
CC
9
A
G
ND
10
LO
C
Kb
11
RX
C
KO
12
RX
C
KI
13
MUTE
14
RDY
b
15
D
G
ND1
1
6
V
DD1
8
17
C
PM
18
C
Sb
19
CC
LK
20
C
DIN
21
C
DO
UT
22
INTb
23
RS
Tb
24
M
C
LK
25
G
PO1
2
6
G
PO2
27
G
PO3
28
G
PO4
29
D
G
ND2
30
TX-
31
TX+
32
VDD33
33
AESOUT
34
BLS
35
SY N
C
3
6
B
C
KA
37
LR
C
KA
38
S
D
INA
39
SD
OU
T
A
40
N
C
41
VI
O
42
D
G
ND3
43
B
G
ND
44
SD
OU
T
B
45
S
D
INB
4
6
LR
C
KB
47
B
C
KB
48
U27
SR
C
4382
AES_IN7_8
G
ND
S_AUDIO_0
AES7_8
R93
105R
C
128
0.1u
C
127
0.1u
V
CC
_3.3V
G
ND
A
3
B
4
R
5
G
ND
2
V
cc
1
110R
U13
SN
6
5LVDT2
G
ND
G
ND
G
ND
SR
C
4382_SPI
1
G
ND
1V8_SR
C
4382
S_AUDIO_1
G
S2972_AES5_
6
AES_IN1_2
S_AUDIO_2
G
S2972_AES7_8
AES7_8
AES5_
6
R88
1.15K
1V8_SR
C
4382
S_AUDIO_3
G
SPI_
G
S4911_[3:0]
G
S2972_AES5_
6
G
S4911_
g
enlo
c
kb
HVF_IN[2:0]
SR
C
4382_SPI
1
G
S2972_AES5_
6
G
S2972_AES7_8
G
S2972_AES7_8
1V8_SR
C
4382
SR
C
4382_SPI
0
V
CC
_3.3V
S_AU
D
IO_0
C
onne
c
t pin 44 to pin 10.
Pin 10 is then
c
onne
c
te
d
to
the
g
roun
d
plane.
G
SPI
_
G
S4911_0
G
SPI_
G
S4911_[3:0]
G
SPI
_
G
S4911_1
TP21
G
ND
IOVDD_2972
G
SPI
_
G
S4911_2
SR
C
4382_SPI[4:0]
S_AU
D
IO_0
SR
C
4382_SPI
0
1V8_SR
C
4382
S_AU
D
IO_1
IO_V_SR
C
4382
SR
C
4382_SPI[4:0]
AES1_2_SR
C
4382
C
11
6
0.1u
SR
C
A
C
147 0.1u
G
ND
1V8_
C
ore_
G
S4911
Au
d
io_R
S
T
3V3_PLL_SR
C
4382_A
SR
C
B
G
ND
G
ND
G
ND
S_AU
D
IO_1
G
ND
R95
10K
HVF_IN1
HVF_IN2
A
C
LK_
G
S4911
V_STD_Sel
HVF_IN0
IO_V_
G
S4911
HVF_IN[2:0]
P
C
LK_
G
S4911
1V8_
G
S4911
IO_V_
G
S4911
1V8_
G
S4911
1V8_
C
ore_
G
S4911
1V8_
G
S4911
G
S4911_
g
enlo
c
kb
IO_V_
G
S4911
1V8_
G
S4911
1V8_
G
S4911
IO
_
V
_
G
S4911
IO
_
V
_
G
S4911
V_STD_Sel
1V8_
G
S4911
V_STD_Sel
Au
d
io_R
S
T
VID_PLL_
G
ND
4
VID_PLL_VDD
3
XTAL_VDD
5
X1
6
X2
7
XTAL_
G
ND
8
C
ORE_
G
ND
9
PH
S_
G
ND
55
PH
S_VD
D
54
ANALO
G
_VDD
10
N
C
11
ANALO
G
_
G
ND
12
AUD_PLL_
G
ND
13
AUD_PLL_VDD
14
10FID
15
HSY N
C
1
6
VSYN
C
17
IO
_
V
DD
18
FS
Y
N
C
19
N
C
20
VI
D
_ST
D
0
21
VI
D
_ST
D
1
22
VI
D
_ST
D
2
23
VI
D
_ST
D
3
24
VI
D
_ST
D
4
25
VI
D
_ST
D
5
27
A
C
LK1
28
A
C
LK2
29
A
C
LK3
30
IO
_
V
DD
31
C
OR
E_VD
D
2
6
ASR
_
SEL2
32
ASR_SEL1
33
ASR_SEL0
34
TIMIN
G
_OUT1
35
TIMIN
G
_OUT2
3
6
IO_VDD
38
TIMIN
G
_OUT4
39
TIMIN
G
_OUT3
37
TIMIN
G
_OUT5
40
LVDS/P
C
LK3_VDD
45
P
C
LK3
4
6
LVDS/P
C
LK3_
G
ND
48
P
C
LK3
47
P
C
LK2
49
P
C
LK1&2_
G
ND
52
P
C
LK1
51
IO
_VD
D
50
TIMIN
G
_OUT
6
41
TIMIN
G
_OUT7
42
TIMIN
G
_OUT8
43
P
C
LK1&2_VD
D
53
LO
C
K_LOST
1
REF_LOST
2
G
EN
LO
C
K
6
4
C
ORE_VDD
44
J
TA
G
/H
OST
5
6
S
C
LK_T
C
LK
57
S
DIN_
TDI
58
S
D
O
UT_
TDO
59
C
S_T
M
S
6
0
R
ESET
6
1
IO
_VD
D
6
2
N
C
6
3
G
ND_PAD
6
5
U20
G
S4911
AES inputs 1_2 an
d
3_4 with SR
C
s
1V8_
G
S4911
Y 2
27.000MHZ
VDD_XTAL_
G
S4911
R99
10K
C
120
24p
C
119
38p
R98
22R
R97
1M
IO_V_
G
S4911
TP23
TP22
G
ND
G
ND
S_AUDIO_[3:0]
3V3_PLL_SR
C
4382_B
G
ND
G
r2_AES_Ser
AES inputs 5_
6
an
d
7_8
S_AUDIO_3
1
B1
3
B2
S
6
G
ND
2
A
4
5
V
cc
U22
SN74LV
C
1
G
3157
IO_V_SR
C
4382
V
CC
_3.3V
Summary of Contents for EB-GS2972
Page 14: ...EB GS2972 Evaluation Board User Guide 50283 2 May 2012 14 of 22 Figure 3 2 Layer 2 Ground ...
Page 15: ...EB GS2972 Evaluation Board User Guide 50283 2 May 2012 15 of 22 Figure 3 3 Layer 3 Power ...
Page 16: ...EB GS2972 Evaluation Board User Guide 50283 2 May 2012 16 of 22 Figure 3 4 Layer 4 Signal 1 ...
Page 17: ...EB GS2972 Evaluation Board User Guide 50283 2 May 2012 17 of 22 Figure 3 5 Layer 5 Signal 2 ...