
22
XW-NAC3-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
G
SPI_T
o_Host
SPI_CLK
SPI_CS
SPI_F
rom_Host
SPI_REQ
MIIDIO
SCLK
MIIDC
LRCLK
MIIRXD[0:3]
D
ATA
MIIRXD
V
MIIRXCLK
RD+
MIIRXER
RD-
MIITXD[0:3]
TD+
MIITXE
N
TD-
MIITXCLK
MIITXER
MIICOL
MIICRS
MIIPHYCLK
ADDRESS[0:21]
ADDRESS[0:12]
D
A
T
A[0:15]
D
A
T
A[0:15]
OE
RAS
W
E
CAS
CE
BA0
BA1
DQML
DQMH
W
E
CS
CLK
CKE
IC801
DM850E
Ether
net
MA
C
10/100
USB
PHY
A
V
Po
rt
SPI
Interf
ace
SDRAM
Controller
IC861
PHY
R
TL8201CP
RJ-45
IC911
5-3 Con
v.
IC881
FLASH R
OM
(8MByte)
IC891
SDRAM
(16Mb
yte)
V
5USB
D-
D+
G
N
DD
G
N
DC
V
K
N
2078-A
MCLK
SCLK
LRCK
DA
T
A
3.3
V
(800mA)
3.3
V
(500mA)
1.8
V
(800mA)
V
+5D
G
N
DD
V
+5D
V
+1R8
V
+3R3
V
+3R3
V
+3R3
V
+3R3
V
+3R3
USB Load S
W
SPI_T
O_HOST
SPI_CLK
SPI_CS
SPI_FR
OM_HOST
SPI_REQ
GPIO
X701
24.576MHz
C
N
801
IC801
J
A701
C
N
901
IC11
IC21
IC31
PO
W
ER
MCLK
X861
25.000MHz
V
B
USDR
V
CTL
XFLA
G
D-
D+
V
B
R811
AA
T4614AIGU-2
A
udio I2S output
V
33D
( I/O )
( Core )
V
+1R8
V
18D
Block Diagram of the Network Assy
FFC connector (P=1.00mm)
(Built-in pulse transformer)
PH connector 5P
www. xiaoyu163. com
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2
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9
4
2
9
8
TEL 13942296513
9
9
2
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9
4
2
9
8
0
5
1
5
1
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6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299