SCHEMATIC DIAGRAMS (09/9)
SCH09_DIGITAL(4/4)
All Ref.No. has been described in the parts list are four digits.
But there are less than four digits of printed Ref.No. on the PCB, and they have become four digits after the header by adding "0" in the parts list.
GND LINE
POWER- LINE
POWER+ LINE
DSD SIGNAL STBY POWERRch SIGNAL Lch SIGNAL SPDIF PCM SIGNAL
SW2
X1D51
USB_ID
MUTE_A
OSC_EXT_N
SDIN1
X1D54
X1D25
B19
SPI_MOSI
XL_UP0.
V16
X1D24
B18
USB_VBUS
E19
DSD_MODE
X0D13
X1D19
VDDCORE
W3
I2C_SLV_SCL
X1D68
SW2
W11
MODE[4]
G18
MODE[3]
X0D24
MCLK_FSEL
X1D20
ADC6
L1
X1D16
A12
X0D24
V13
X1D70
SPI_CS_N
X1D09
X1D55
X0D20
PSUP
DSD_MODE
D18
X1D65
X0D21
X1D01
X0D12
MCLK_XCORE
A8
X1D02
D1
XI/CLK
X1D08
X1D69
X1D26
C18
X1D01
E1
X1D38
I2C_SLV_SCL
A6
XL_DN1.
V15
XL_DN1.
X1D50
VDDIO
K1
MODE[3]
H18
X1D35
E18
X1D07
X1D56
ADC3
P2
SCLK
A18
SW2
V11
MODE[2]
J18
XC_TMS
M19
XC_TMS
XL_UP0.
X1D35
PSUP
V7
ADC0
R1
X1D05
X1D24
SW2
USB_VBUS
X0D43/WAKE
DEBUG_N
X1D38
H19
X0D15
USB_VBUS
VDDCORE
V3
SDIN2
A19
1
A
2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19
B
C
D
E
F
G
H
K
L
M
N
P
R
T
U
V
W
J
XS1-U8A-128-FB217
U701
A1
X1D05
A2
X1D06
A3
X1D07
A4
X1D08
A5
X1D09
A6
X1D10
A7
X1D11
A8
X1D12
A9
X1D13
A10
X1D14
A11
X1D15
A12
X1D16
A13
X1D17
A14
X1D18
A15
X1D19
A16
X1D20
A17
X1D21
A18
X1D22
A19
X1D23
B2
X1D53
B3
X1D54
B4
X1D55
B5
X1D56
B6
X1D57
B7
X1D58
B8
X1D61
B9
X1D62
B10
X1D63
B11
X1D64
B12
X1D65
B13
X1D66
B14
X1D67
B15
X1D68
B16
X1D69
B17
X1D70
B18
X1D24
B19
X1D25
C1
X1D03
C18
X1D26
C19
X1D27
D1
X1D02
D2
X1D51
D18
X1D33
D19
X1D32
E18
X1D35
E19
X1D34
F1
X1D00
F2
X1D49
F6
GND
F7
GND
F8
GND
F9
GND
F10
GND
F11
GND
F12
GND
F13
GND
F14
GND
F18
VDDIO_OUT
F19
X1D36
G1
USB_DN
G2
USB_VBUS
G7
GND
G8
GND
G9
GND
G10
GND
G11
GND
G12
GND
G13
GND
G14
GND
G18
MODE[4]
G19
X1D37
H1
USB_DP
H2
USB_ID
H6
GND
H8
GND
H9
GND
H10
GND
H11
GND
H12
GND
H13
GND
H14
GND
H18
MODE[3]
H19
X1D38
J1
X0D43/WAKE
J2
RST_N
J6
GND
J7
GND
J9
GND
J10
GND
J11
GND
J12
GND
J13
GND
J14
GND
J18
MODE[2]
J19
X1D39
K1
VDDIO
K2
VDDIO
K6
GND
K7
GND
K8
GND
K10
GND
K11
GND
K12
GND
K13
GND
K14
GND
K18
MODE[1]
K19
TDO
L1
ADC6
L2
ADC7
L6
OSC_EXT_N
L7
GND
L8
GND
L9
GND
L11
GND
L12
GND
L13
GND
L14
GND
L18
MODE[0]
L19
TCK
M1
ADC4
M2
ADC5
M6
NC
M7
NC
M8
GND
M9
GND
M10
GND
M12
GND
M13
GND
M14
GND
M18
DEBUG_N
M19
TMS
N1
AVDD
N2
NC
N6
NC
N7
NC
N8
GND
N9
GND
N10
GND
N11
GND
N13
GND
N14
GND
N18
NC
N19
TDI
P1
ADC2
P2
ADC3
P6
GND
P7
GND
P8
GND
P9
GND
P10
GND
P11
GND
P12
GND
P14
GND
P18
NC
P19
X0D35
R1
ADC0
R2
ADC1
R18
NC
R19
X0D00
T1
NC
T2
NC
T18
NC
T19
X0D01
U1
XI/CLK
U2
NC
U18
NC
U19
X0D10
V1
XO
V2
NC
V3
VDDCORE
V4
PGND
V5
PGND
V6
SW1
V7
PSUP
V8
VDD1V8
V9
PGND
V10
PGND
V11
SW2
V12
NC
V13
X0D24
V14
X0D21
V15
X0D19
V16
X0D17
V18
NC
V19
X0D11
W1
PSUP
W2
NC
W3
VDDCORE
W4
VDDCORE
W5
PGND
W6
SW1
W7
PSUP
W8
VDD1V8
W9
VDD1V8
W10
PGND
W11
SW2
W12
NC
W13
X0D22
W14
X0D20
W15
X0D18
W16
X0D16
W17
X0D14
B1
X1D04
C2
X1D52
E1
X1D01
E2
X1D50
G6
GND
H7
GND
J8
GND
K9
GND
L10
GND
M11
GND
N12
GND
P13
GND
V17
X0D15
W18
X0D13
W19
X0D12
XL_UP1.
W16
X1D36
SPI_CLK
X1D57
XL_DN0.
W15
MODE[1]
K18
W8
VDD1V8
MODE[1]
I2C_SLV_SDA
X1D36
F19
AVDD
N1
X1D25
XC_TDI
N19
RST_N
XC_TDO
X1D49
MODE[0]
SDIN1
A7
USB_DN
X1D58
ADC4
M1
SPI_CS_N
T19
ADC6
PSUP
W1
VDDIO_OUT
F18
USB_VBUS
G2
X1D03
X0D22
SW1
V6
MUTE_A
A14
XC_TDI
X0D22
W13
ADC7
ADC7
L2
XC_TCK
X1D61
MODE[4]
MCLK_XCORE
XC_TDO
K19
SPI_MOSI
V19
X0D35
DEBUG_N
M18
ADC2
SPI_MISO
R19
X0D13
W18
USB_ID
H2
XC_TCK
L19
OSC_EXT_N
L6
MODE[2]
SW1
X1D52
XL_DN0.
LRCK
XI/CLK
U1
INT_REQ_N
C19
ADC0
X1D21
MCLK_FSEL
D19
XO
V1
X1D39
PSUP
X1D62
X1D37
X1D14
ADC1
X1D04
SW1
X1D39
J19
X1D63
SW1
W6
ADC4
V8
VDD1V8
X0D35
P19
ADC3
X1D26
XL_UP1.
X1D15
USB_DN
G1
ADC2
P1
ADC1
R2
X1D66
SCLK
I2C_SLV_SDA
F1
ADC5
USB_DP
H1
INT_REQ_N
USB_DP
X1D16
X0D12
W19
W9
VDD1V8
ADC5
M2
X1D37
G19
SPI_MISO
X1D53
PSUP
SPI_CLK
U19
SDIN2
VDDCORE
W4
LRCK
A9
RST_N
J2
X1D02
X0D14
X1D17
PSUP
W7
MODE[0]
L18
X1D06
X1D67
VDDIO
K2
X1D64
XO
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GNDGND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND GND
GND
GND
GND
GND
NC
V12
NC
N7
NC
U2
NC
N2
NC
V18
NC
N18
NC
V2
NC
N6
NC
W2
NC
P18
NC
T2
NC
R18
NC
T1
NC
T18
NC
U18
NC
W12
NC
M7
NC
M6
GND
(PGND)
GND
(PGND)
GND
(PGND)
GND
(PGND)
GND
(PGND)
GND
(PGND)
VDDCORE
AVDD
1V8
VDDIO
1V8
VDDCORE
VDDIO_OUT
VDDIO
1V8
VDDCORE
GND
P11
GND
K14
GND
J8
GND
H13
GND
H7
GND
K11
GND
J14
GND
N10
GND
P6
GND
G13
GND
P8
GND
J7
GND
F10
GND
F11
GND
F13
GND
H11
GND
L9
GND
L13
GND
P10
GND
V10
GND
N11
GND
J11
GND
M14
GND
K8
GND
L11
GND
G7
GND
J13
GND
F7
GND
P14
GND
G10
GND
V9
GND
F9
GND
L10
GND
H12
GND
G8
GND
M12
GND
K12
GND
M10
GND
F6
GND
L14
GND
P7
GND
P13
GND
N13
GND
G6
GND
K6
GND
G11
GND
K13
GND
V4
GND
H6
GND
J10
GND
K10
GND
N9
GND
K9
GND
F14
GND
V5
GND
F8
GND
H8
GND
M11
GND
K7
GND
H10
GND
M8
GND
W10
GND
N8
GND
P9
GND
W5
GND
G12
GND
L12
GND
H9
GND
M13
GND
G14
GND
M9
GND
L8
GND
H14
GND
J9
GND
J6
GND
J12
GND
P12
GND
F12
GND
N12
GND
G9
GND
L7
GND
N14
GND GND
1V8
R701
0
C702
0.01Z
C704
0.1Z
GND GND
C712
0.01Z
C715
0.1Z
C716
4.7u
R723
0
GND
C.GND7
USBB_VBUS
OUTPUT
CG0603MLC-12LE
D701
FDC608PZ
Q703
1
2
3
4
5
6
1000P
C710
KRC102S
Q702
USBB_RST..
INPUT
0.1
C711
CG0603MLC-12LE
D703
0.1
C713
GND
CG0603MLC-12LE
D702
4.7K
R726
1000P
C714
GND
10K
R733
NC7SZ125
U703
2 4
5
1
3
0
R729
GNDGND
33
R730
0.1Z
C725
GND
0.1Z
C730
0.01Z
C726
2.2M
R727
X701
FCX04(24MHZ)
0.01Z
C729
NC7SZU04
U702
2 4
5
3
1
GND
USBB_RST
INPUT
GND
Q707
KRC102S
GND
KRA102S
Q708
0.1Z
C734
33
R755
XC_TDO
INPUT
33
R756
BRD_RST_N
INPUT
GND
33
R744
10K
R749
XCORE_CLK
OUTPUT
XCORE_CLK
INPUT
BRD_RST_N
INPUT
BRD_RST_N
INPUT
GND
VBUS_FILT
INPUT
VBUS_FILT
INPUT
1V8
1V8
XC_MSEL
INPUT
XC_MSEL
INPUT
XC_TCK
INPUT
XC_TDI
INPUT
XC_TMS
INPUT
XC_TDO
INPUT
XC_TCK
INPUT
XC_TDI
INPUT
XC_TMS
INPUT
GND
GND
10K
R702
GND
C707
0.1Z
GND
I2C_SCL
BIDIRECT
I2C_SDA
BIDIRECT
33
R735
33
R736
33
R737
33
R738
33
R745
33
R746
33
R747
33
R748
4.7K
R741
4.7K
R734
33_VCC_USB-B
USBB_MCLK
INPUT
USBB_PBCK
OUTPUT
USBB_PLRCK/DBCK
OUTPUT
PDATA/DSD_DATA_L
OUTPUT
USBB_DSD_DATA_R
OUTPUT
USBB_INT_REQ
OUTPUT
USBB_MCLK_FSEL
OUTPUT
DSD_MODE_DSD/PCM
OUTPUT
USBB_MUTE
OUTPUT
USB_DN
INPUT
USB_DP
INPUT
47/16
C718
C720
0.1Z
C724
0.01Z
C722
0.1Z
GND
GND
C721
0.1Z
C723
0.01Z
C719
0.1Z
OPEN
N702
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
4.7K
R739
4.7K
R740
0
R718
0
R719
0
R716
0
R717
0
R711
0
R703
0
R704
0
R705
0
R706
0
R707
0
R708
0
R709
0
R710
R721
0
R720
0
R722
0
0
R742
0
R743
33
R752
33
R769
USBB_RST..
OUTPUT
USBB_VBUS
OUTPUT
GND
USBB_DETECT
OUTPUT
GND
0.1
C771
0
R781
Q704
KRC102S
33
R724
33
R725
OPEN
R777
OPEN
R776
OPEN
R774
OPEN
R775
UBR24-4K5G00
N701
4
GND
3
D+
2
D-
1
VCC
33_VCC_USB-B
33_VCC_USB-B
33_VCC_USB-B
33_VCC_USB-B
33_VCC_USB-B
33_VCC_USB-B
33_VCC_USB-B
33_VCC_USB-B
33_VCC_USB-B
33_VCC_USB-B
GND
GND
4.7K
R778
33_VCC_USB-B
MX25L4006EM1I-12G
U705
1
CS#
2
SO
3
WP#
4
GND
5
SI
6
SCLK
7
HOLD#
8
VCC
39K
R712
USB_DP
INPUT
680
R728
15P
C728
15P
C727
10K
R782
0.1Z
C733
0.01Z
C732
4.7K
R785
33
R750
10K
R783
GND
10K
R784
0
R751
C709
OPEN
C705
22/6.3
C708
22/6.3
USB_DN
INPUT
0
R713
0
R714
0
R715
10/16
C703
L703
4.7u
L702
4.7u
100/6.3
C717
C770
100/6.3
VDDCORE
DEBUG ONLY
3V3_IO
To Sht.003
(FPGA)
To Sht.001
(MCU)
To Sht.001
(MCU)
To Sht.003
(FPGA)
To Sht.001
(MCU)
To Sht.001
(MCU)
To Sht.003
(FPGA)
To Sht.001
(MCU)
To Sht.003
(FPGA)
8U-310206
DIGITAL UNIT(4/4)
(USB-B)
Ref 701-
X1D34
3A
TO A3
0B
TO B0
1B
TO B1
2B
TO B2
59
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
A
B
C
D
E
F
G
H
J
K
L
M
A
B
C
D
E
F
G
H
J
K
L
M
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
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