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12.8. A-Board (4/22) Schematic Diagram
A-BOARD (4/22)
!
USB5V
SUB_OP_5V
*IC8701
C0DBZYY00365
*C8726
*C8727
10V
16V
1
8
GND
10u
0.1u
/OC1
2
IN
7
PEAKS-LDA2
OUT1
3
EN1
6
PD_USB1VBUS
OUT2
*R8745
SUB3.3V
4
5
4.7k
EN2
/OC2
*R8747
10k
R8746
TO
PD_USB1OC
S
20/22
4
1
PD_USB1DP
3
2
PD_USB1DN
*R8744
6.2k
*FL8701
PD_USB1RREF
J0MAB0000140
1%
PEAKS-LDA2
PD_USB0VBUS
*R8762
4.7k
SUB3.3V
*R8764
10k
R8763
PD_USB0OC
S
TO
20/22
4
1
PD_USB0DP
3
2
PD_USB0DN
*FL8702
*R8761
J0MAB0000140
6.2k
1%
PD_USB0RREF
28
29
LAN
TO 2/22
ETHER_25M
TP8708
TP8707
*L8707
J0JHC0000045
*C8728
*C8731
*R8741
6.3V
16V
2.7k
220u
0.1u
PEAKS-LDA2
PD_MII_TXCLK
PD_MII_TXD0
PD_MII_TXD1
PD_MII_TXD2
PD_MII_TXD3
PD_MII_TXEN
PD_MII_RXCLK
PD_MII_RXD0
PD_MII_RXD1
TO
PD_MII_RXD2
20/22
PD_MII_RXD3
PD_MII_RXDV
PD_MII_RXER
PD_MII_COL
PD_MII_CRS
PD_MDC
PD_MDIO
PD_MDIO_INTL
TP8734
*L8708
J0JHC0000045
PD_PHYRSTL
*C8744
*C8747
*R8742
6.3V
16V
2.7k
*JK8700
220u
0.1u
TP8735
K1FY208B0008
VBUS1
A-1
DM1
A-2
DP1
A-3
PD_WAKEUP
GND
TO
A-4
3,20/22
B-1
VBUS0
PD_WUC
B-2
DM0
B-3
DP0
B-4
GND
30
31
SUB3.3V
L8701
J0JHC0000045
L8702
PD_MII_TXCLK
J0JHC0000045
R8703
56
AP_MII_TXD0
AP_MII_TXD1
R8704
56
R8705
56
AP_MII_TXD2
C8711
AP_MII_TXD3
10V
10u
R8706
56
R8707
56
AP_MII_TXEN
PD_MII_RXCLK
C8712
0.1u
PD_MII_RXD0
16V
VDDIO_3.3
25
PD_MII_RXD1
VDDIO_3.3
PD_MII_RXDV
26
R8721
56
RXDV/CONFIG2
PD_MII_RXD2
PD_MII_RXCLK
27
R8722
56
RXC
28
PD_MII_RXER
R8723
56
PD_MII_RXD3
RXER/ISO
IC8703
C8713
29
GND
PD_MII_RXDV
16V
0.1u
30
C1CB00003239
VDD_1.8
31
PD_MDIO_INTL
R8724
56
PD_MII_RXER
INTRP
PD_MII_TXCLK
32
R8725
56
ETHERNET IF
TXC
PD_MII_COL
AP_MII_TXEN
33
TXEN
34
AP_MII_TXD0
PD_MII_CRS
TXD0
35
AP_MII_TXD1
TXD1
36
SUB3.3V
R8711
4.7k
4.7k
R8712
R8708
56
AP_MDC
AP_MDIO
R8709
56
PD_MDIO_INTL
R8710
56
AP_PHYRSTL
SUB3.3V
R8726
10k
R8727
10k
32
33
48
R8734
0
R8566
0
*C8516
C8515
16V
10V
0.01u
10u
C8714
R8737
50V
6.49k
100p
1%
L8705
J0JHC0000045
TX+
1
12
TX-
2
11
3
10
TX+
4
9
12
TX-
RX+
5
8
11
RX+
10
RX-
RX-
6
7
9
VDDA_3.3
R8525
R8527
R8524
R8526
8
49.9
49.9
49.9
49.9
VDDA_3.3
1%
T8301
7
1%
1%
1%
V1.8_OUT
G5BYC0000015
6
C8513
C8512
VDDA_1.8
5
16V
16V
VDDA_1.8
0.1u
0.1u
4
C8717
GND
3
10V
10u
GND
2
C8740
GND
1
10V
10u
C8718
0.1u
16V
R8381
C8719
75
1%
16V
0.1u
C8720
0.1u
16V
C8721
16V
0.1u
C8722
10V
10u
C8739
10V
10u
34
35
10BASE-T/
100BASE-TX
ETHERNET
JK8301
K2LC1YYA0005
L8512
J0ZZB0000083
TX+
1
TX-
2
RX+
3
4
5
RX-
6
7
8
L8511
J0ZZB0000083
L8513
J0ZZB0000083
2
2
1
1
3
4
VJ8500
P
R8382
R8383
R8384
75
VJ8501
75
75
1%
1%
1%
P
36
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