GS3471
Evaluation Board User Guide Rev.3
PDS-061243
March 2018
15 of 22
Semtech
Proprietary & Confidential
www.semtech.com
Figure 2-3: EB-GS3471-00 Schematic 3
R33_DNP
AUDIO BREAKOUT CONNECTOR
AUDIO RCA
MODIFICATION CAN BE MADE TO ALLOW AUTO SELECT HD/SD
NOT POPULATED
NOT POPULATED
SERIAL DATA IN CH1
DNP
SERIAL DATA IN CH0
AUDIO RCA
GS3471
GREEN
10K
200
USB_5V
1UF
10UF
10NF
1K
RED
USB_5V
200
+3.3V
1K
MMBT3904
75
100NF
1K
GREEN
WHITE
LABEL
THHDR2X10
4.7UF
LABEL
18PF
0
IO_VDD
1M
+1.2V_EQ
0
+1.8V_EQ
0
LABEL
LABEL
ABM8G
0
0
1UF
1UF
10NF
100NF
10NF
DDI_A_VDD
10NF
10UF
1UF
100NF
10NF
10UF
1UF
IO_VDD
10NF
10NF
10NF
100NF
10NF
10UF
10K
10K
10NF
LABEL
75
75
37.4
75
8.2NH
BNC
1UF
10K
10K
THHDR2X5
0
470NF
8.2NH
10UF
10NF
USB_5V
750
CD_2V5
WHITE
LABEL
WHITE
USB_5V
USB_5V
200
WHITE
10NF
100NF
D_VDD
100NF
IO_VDD
WHITE
LABEL
WHITE
LABEL
5
3
2
PLL_VDD
19
18
17
16
15
13
12
11
10
9
8
7
6
1
0
+3.3V
100NF
+3.3V
100
100NF
100NF
4.7UF
5.6NH
10NF
CD_2V5
75
75
10NF
777
27MHZ
10K
10K
10K
200
1K
18PF
10K
1K
10K
10K
MMBT3904
10K
10K
10NF
1UF
37.4
+3.3V
100
10UF
1UF
PLL_VDD
10NF
10NF
10NF
10NF
0
75
SWDIP5
10K
4
SWDIP3
1UF
DDI_VDD
IO_VDD
RED
100NF
10UF
470NF
10NF
10NF
10NF
10UF
10UF
14
10NF
10NF
BNC
75
SN65LVDT2DBV
100
100
VCC_A_EQ
V
CC_O_EQ
BNC
THRAPHONO2X1
THRAPHONO2X1
100NF
+3.3V
SN65LVDT2DBV
SN65LVDT2DBV
100NF
AVDD_DRIVER
100NF
0
SMAV
100NF
SN65LVDT2DBV
200
DDI_A_VDD
10UF
CD_2V5
GS2988
VCC_D_EQ
CD_2V5
0
RED
10K
1UF
1UF
GS3140
SMAV
JTAG TRST_N
IO_VDD
1K
GREEN
CORE_VDD
10UF
EQ_VCCA
EQ_VCCD
LABEL
10
C19
C8
C12
R4
R5
R6
R7
Y2
R24
U9
J4
C61
C57
C62
U14
C58
C63
J12
C64
U15
C59
C60
U16
J8
J9
J7
L2
R15
J6
L1
R14
R19
R23
R18
C5
C4
U5
R17
R22
R16
C6
C3
C2
C9
C13
C15
U8
R41
C41
R43
C54
C56
L3
R45
C55
J10
R40
R39
R38
J2
R10
R12
R11
R13
SW1
C21
C24
C20
C23
C22
C27
C30
C33
C36
C39
C44
C47
C50
C53
C26
C29
C32
C35
C38
C25
C42
C45
C48
C51
R32
SW2
R8
TP1
R25
R26
R9
R52
R55
D4
Q4
R53
Q5
D5
R57
Q6
D6
R58
R47
Q3
D3
R50
R27
Q1
D1
R31
C119
R134
R36
R44
R95
R97
R99
R109
Q11
R113
C17
C7
C121
C16
C14
C10
C120
C122
Q2
R28
TP7
TP30
TP31
TP32
TP21
TP12
TP22
TP9
TP11
C46
C49
C52
C43
C37
C34
C31
C28
R21
R20
R56
R54
R33
H1
R51
C40
R42
C18
U7
AOUT_1_2C
SMA_P
SMA_N
DDIR_C0P
AOUT_7_8C
AOUT_5_6C
SDO
SDOA
GSPI_GS3140_A_SDIN
DDF
DDE
DDC
DDB
DDA
AOUT_3_4C
SD_HDN
EQ_EN
DISN
AOUT_7_8
USB_SD_HDN
USB_PD
GSPI_CS_N
GSPI_SDIN
DATA<19..0>
AOUT_5_6
SODA
DDIR_C0N
AOUT_1_2
AOUT_3_4
AOUT_5_6BUF
AOUT_7_8BUF
AOUT_3_4BUF
AOUT_1_2BUF
JTAG_TRST_N
GSPI_SCLK
GSPI_SDOUT
DATA<0>
DATA<1>
DATA<10>
DATA<11>
DATA<12>
DATA<13>
DATA<14>
DATA<15>
DATA<16>
DATA<17>
DATA<18>
DATA<19>
DATA<2>
DATA<3>
DATA<4>
DATA<5>
DATA<6>
DATA<7>
DATA<8>
DATA<9>
PCLK
J6
J5
B4
B3
K5
J4
K4
K6
K3
H6
H7
A3
E1
K8
J8
E9
E10
C8
C10
C9
B10
B9
A10
A9
B8
K9
K10
J9
J10
H9
H10
F9
F10
A1
A2
G1
F1
K1
K2
H3
C3
B1
D4
G3
H1
H2
J2
A8
J3
H5
A4
G8
F8
G7
B5
B6
C5
C6
D5
D6
E8
D8
E7
F7
D7
H4
A7
A6
A5
B2
D1
J1
C1
C2
D2
C4
D3
E2
E3
F2
F3
G2
E6
F6
G6
C7
D9
E4
F4
F5
G4
G5
G9
J7
H8
B7
D10
G10
K7
1
2
3
4
3
4
2
5
1
SHA
SHB
SLA
SLB
TA
TB
3
4
2
5
1
SHA
SHB
SLA
SLB
TA
TB
3
4
2
5
1
3
4
2
5
1
1
2
3
4
5
1
2
3
4
5
1
2
3
1
2
3
5
6
15
11
10
16
8
2
3
7
14
1
13
12
4
9
1
2
6
16
5
7
8
13
15
14
4
10
12
11
TAB
9
3
1
2
3
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
10
9
8
7
6
1
2
3
6
5
4
1
1
2
3
1
2
3
1
2
1
2
3
1
2
1
2
3
1
2
1
2
3
1
2
1
2
12
34
5
78
91
0
12
13
14
15
16
17
18
19
20
2
3
1
2
3
1
1
1
6
11
1
1
IN
C
B
E
IO_VDD
IO_VDD
IO_VDD
IO_VDD
CO
RE_GND
CO
RE_GND
CO
RE_GND
CO
RE_GND
CO
RE_GND
CO
RE_GND
CO
RE_GND
EQ_VCCD
CO
RE_GND
CORE_GND
CORE_VDD
CORE_VDD
CORE_VDD
A_GND
A_GND
A_GND
A_GND
EQ_VCCA_E2
A_GND
VCO_VDD
PLL_VDD
PLL_VDD
PLL_VDD
DDO_VDD
EQ_VCCA_D1
DDI_VDD
XTAL
XTAL
DNC
WCLK
TRST
TMS
TDO
TDI
TCK
STAT5
STAT4
STAT3
STAT2
STAT1
STAT0
SDOUT
SDIN
SCLK
RBIAS
RESET
PWR_DWN
PCLK
DDO_VDD
AGC
AGC
A_GND
VCO_VDD
DDI_VDD
LF
JTAG_EN/DIS
DOUT9
DOUT8
DOUT7
DOUT6
DOUT5
DOUT4
DOUT3
DOUT2
DOUT19
DOUT18
DOUT17
DOUT16
DOUT15
DOUT14
DOUT13
DOUT12
DOUT11
DOUT10
DOUT1
DOUT0
CT1
CT0
CSB
BIT20/BIT10
AUDIO_EN/DIS
AOUT_7_8
AOUT_5_6
AOUT_3_4
AOUT_1_2
AMCLK
ACLK
RSVD
RSVD
IN
C
B
E
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
D
S
G
D
S
G
D
S
G
D
S
G
D
S
G
1
IN
ON
1
OUT
IN
ON
1
1
3
5
7
9
2
4
6
8
10
IN
VEE
VCC
NC5
NC4
OSP
NC3
DISABLE
NC2
NC1
SDO
SDO
SD/HD*
TAB
EQ_EN
RSET
DDI
DDI
VCC_D/VCC_IO
VCC_O
VEE_O
VEE_A
VCC_A
INT
CS
SDOUT
DDO
DDO
SCLK
SDIN
AGC
AGC
SDI
SDI
GND
VCC
R
B
A
GND
VCC
R
B
A
SLEEVEB
SLEEVEA
TIPB
SHUNTB
TIPA
SHUNTA
GND
VCC
R
B
A
SLEEVEB
SLEEVEA
TIPB
SHUNTB
TIPA
SHUNTA
GND
VCC
R
B
A
OUT
OUT
OUT
OUT
OUT
IN
DDO_VDD
E5
CORE_VDD
DDO
DDO
100
Ω differential controlled impedance
DDI
DDI
100
Ω differential controlled impedance
SDI
SDI
