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SCHEMATIC DIAGRAMS - 21
NET/USB POWER SECTION
U007
BAHDM-0471
1
SPI0 & control signals
Host communication
1
APOWER
TP86
2
GND_ARM
GNDD
3
TP87
TXD
100
R3139
UART1_TXD
232TXD
4
2
NC
TP89
5
VDD_MPU3.3V
VDD
6
NC
7
TP91
RXD
100
R3144
UART1_RXD
232RXD
8
NC
TP92
9
RST
0
R3147
ARM_RST
RESET
Q3106
XC6221B332MR
1
VIN
VOUT
2
VSS
3
CE
NC
T E
L
1 3 9 4 2 2 9 6 5 1 3
3
VDD_MPU3.3V
NJM2855DL1-33
+5VHD
4
+3.3VHD
2
1
1SR154-400
D3402
w w w
5
.
C
R3115 or R3116
BOOT2
R3111 or R3112
BOOT5
R3109 or R3110
BOOT6
R3107 or R3108
BOOT7
SPI0_SOMI must be Hi-Z when booting DA830
DIGSDI
DIGSDO
SPI0_CLK must be Hi-Z when booting DA830
DIGCLK
SPI0_SCS
TP81
SPI1_SOMI must be Hi-Z when booting DA830
ARM_SOMI
SPI1_SIMO must be Hi-Z when booting DA830
ARM_SIMO
SPI1_CLK must be Hi-Z when booting DA830
ARM_CLK
ARM_CS
ARM_RDY
I2C0_SDA
TP84
I2C0_SCL
TP85
DIGSDI
R3100 NC
UART2_RXD
TP88
UART2_TXD
TP90
DIGSDO
R3105 NC
DIGCLK
R3106 NC
ACP_RST
1
15
NC
NC
330
ACP_CS
R3104
2
14
MD1/CS
MD0/SCLK
3
13
NC
SDA/SOMI
4
12
RESET
SCL/SIMO
5
11
VCC
VSS
+3.3V
5
4
Q3105
VDD_USB3.3V
MFI341S2164
R3159
0
GND_USB
R3160
0
RampUpTime
> 330uSec
Q3107
BLM18PG121SN1D
1
3
VDD_MPU3.3V
L3107
VDD_DA8x_3.3V
+3.3V
I
O
105Z
TP107
C3121
C3126
106K/6.3
B16
C3137 105Z
DVDD
GND_ARM
C3127 105Z
E12
DVDD
E9
DVDD
E8
DVDD
E5
C3128
105Z
DVDD
F12
DVDD
F11
DVDD
C3129
105Z
F5
DVDD
G12
DVDD
G5
DVDD
C3131
105Z
K12
DVDD
K5
DVDD
L12
DVDD
C3133
105Z
L11
DVDD
L5
DVDD
M12
DVDD
M9
C3136
105Z
DVDD
Q3109
M8
BD7820
DVDD
M5
DVDD
C3138
105Z
R16
DVDD
RampUpTime
R1
C3140
105Z
DVDD
> 120uSec
BLM18PG121SN1D
+1.15V
VDD_1.15V
L3109
VDD_CORE1.15V
105Z
C3147
106K/6.3
C3146
C3149
F6
105Z
CVDD
G11
CVDD
G10
C3153
105Z
CVDD
G7
GND_ARM
CVDD
G6
CVDD
H11
CVDD
H10
C3155
105Z
CVDD
H6
CVDD
H7
CVDD
H12
x
a o
CVDD
y
J12
C3157
105Z
CVDD
J11
CVDD
J10
CVDD
i
J7
CVDD
J6
C3158
105Z
CVDD
K11
CVDD
K10
CVDD
K7
CVDD
K6
C3159
105Z
CVDD
VDD_CORE1.15V
TP108
L6
CVDD
http://www.xiaoyu163.com
TX-NR708/808/1008, TX-NA708/808/1008, HT-RC270, DTR-40.2/50.2, DHC-40.2
D
E
8
for Debugging
Boot Opt.
NAND
UART1
BOOT7
L
H
BOOT1
H
H
BOOT0
H
H
BOOT3
H
H
BOOT2
H
L
BOOT3 is always pulled up.
R3124
330
R6
SPI0_SOMI0/BOOT0
R3125
47
P6
SPI0_SIMO0/BOOT1
T5
R3126
47
SPI0_CLK/BOOT2
R3127
47
N4
SPI0_SCS/BOOT4
USB0_DRVVBUS
R3130
47
P5
SPI1_SOMI0/BOOT5
R3131
47
N5
SPI1_SIMO0/BOOT6
R3133
47
T6
SPI1_CLK/BOOT7
R3134
10K
USB0_VDDA33
R3135
10K
R3136
0
R3
I2C0_SDA/BOOT8
USB0_VSSA33
P3
R3137
0
I2C0_SCL/BOOT9
R3138
NC
USB0_VDDA18
R3140
NC
USB0_VDDA12
R4
R3141
NC
UART2_RXD/GPIO5_12
R3142
NC
P4
UART2_TXD/GPIO5_13
R3143
10K
R3145
10K
C6
R3146
39
UART1_RXD
R3148
39
D6
UART1_TXD
USB1_VDDA33
USB1_VDDA18
RMII_50MHz
R3150
150
A4
RMII_MHZ_50_CLK/BOOT11
RMII_TXD0
B8
R3154
39
RMII_TXD0
RMII_TXD1
R3155
39
C8
RMII_TXD1
RMII_TXEN
R3156
D8
39
RMII_TXEN
RMII_CRSDV
A7
R3157
0
RMII_CRS_DV
RMII_RXD0
B7
RMII_RXD0
Q
Q
RMII_RXD1
C7
RMII_RXD1
3
7
6
3
RMII_RXER
D7
RMII_RXER
MDIO_CLK
R3162
A6
39
MDIO_CLK
MDIO_D
B6
R3163
22
MDIO_D
GND_ARM
VDD_MPU3.3V
105Z
C3122
BLM18PG121SN1D
A16
L3108
VSS
RMII_50MHz
A15
VSS
MDIO_D
A2
VSS
MDIO_CLK
A1
VSS
B2
C3130 106K/6.3
VSS
E11
VSS
E10
VSS
E7
RMII_RXD1
VSS
39
E6
RMII_RXD0
VSS
39
F10
VSS
NC
F9
VSS
F8
VSS
G9
VSS
G8
VSS
H9
VSS
H8
17
VSS
VDDIO_3.3
R3181
J9
RMII_CRSDV
47
105Z
C3139
18
VSS
CRSDV/CNFG2
TP94
J8
19
R3182
VSS
RXC
4.7K
K9
RMII_RXER
20
R3183
47
VSS
RXER/ISO
K8
ETH_INT
47
21
R3184
VSS
INTRP
L10
R3186
22
VSS
TXC
TP95
4.7K
L9
RMII_TXEN
23
VSS
TXEN
L8
RMII_TXD0
24
VSS
TXD0
L7
VSS
M11
VSS
M10
VSS
M7
VSS
M6
VSS
T16
VSS
T15
RMII_TXD1
VSS
T2
VSS
T1
VSS
u 1 6 3
ETH_RESET
R3198 NC
TO BAHDM0471
R3199
ARM_RST
.
(PART-23)
http://www.xiaoyu163.com
F
G
2
4
9
9
SPI0
L
L
+5.0V
TPD2E001DRLR
H
H
1
VCC
IO2
H
2
NC
3
IO1
GND
differencial impeadance = 90ohm
G4
USB0_D-
USB0_DM
F4
USB0_D+
USB0_DP
Q3102
1
TP82
VIN
VOUT
D3
R3122
1K
2
USB0_VBUS
GND
E4
USB0_VBUSEN
3
R3129
47
EN
/OC
R3101
10K
D2
TP83
BD2224G-TR
USB0_ID
+3.3V
BLM18PG121SN1D
L3103
H5
VCC_0USB3.3V
H4
E3
VCC_0USB1.8V
L3104
BLM18PG121SN1D
C3
+1.8V
F3
USB0_VSSA
+3.3V
BLM18PG121SN1D
C1
VCC_1USB3.3V
L3105
+1.8V
C2
VCC_1USB1.8V
L3106
BLM18PG121SN1D
B3
USB1_DM
A3
USB1_DP
1
5
1
5
0
8
9
2
R3200
10K
10K
R3132
TP65/TP66 must be connected to GPIO port when USB1 is used.
These signals are not wired at this EvaBoard
+3.3V
VCC_ETHA3.3V
R3173
R3174
R3175
TX+,TX- / RX+,RX- Pair's differencial impeadance= 100ohm
7
TP93
8
6
KSZ8041NL
XO
7
TX+
4
5
Q3108
TX+
6
TX-
3
6
8
TX-
5
RX+
2
7
1
RX+
PADDLE
4
RX-
1
8
RX-
3
3
VDDA_3.3
105Z
C3143
2
VDDPLL_1.8
105Z
C3144
1
2
GND
106K/6.3
C3145
4
33
GND_ARM
5
106K/6.3
L3110
C3154
BLM18PG121SN1D
+3.3V
m
c o
1K
H
2
8
9
9
+5VHD
for HS ESD
5
USB2.0
4
0
5
R3123
GND_USB
4
TP79
USBDP1
3
USBDM1
2
NC
1
TP80
5
L3102
VDD_VBUS0_5V
BLM18PG181SN1D
4
USB0_OC_DET
VDD_USB3.3V
GND_USB
C3603
102K
4
9
8
2
9
9
USB1_OC_DET
TP115
USB1_VBUSEN
TP116
Rx
Tx
102
P3104
SI-60073-F
EJFR002
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