DP480 Service Manual
72
A
1
GND1
2
TXD1
3
RXD1
4
TIMEPULSE
5
EXTINT0
6
V_BCKP
7
VCC_IO
8
VCC
9
VRESET
10
GND2
11
RF_IN
12
GND3
13
ANTON
14
VCC_RF
15
NC1
16
SDA2
17
SCL2
18
NC2
U5
NC
L34
3.9nH
C69
2.5P
C70
2.5P
C71
2.5P
C72
2P
L35
3.9nH
L36
10nH
C75
0Ω
R73
NC
R74
NC
C76
NC
C77
NC
R75
NC
1
IN
2
GND
3
EN
4
FB
5
OUT
IC15
XC6209F332MR
C312
10uF
C313
470nF
C314
470nF
C315
10uF
C316
470nF
C317
470nF
FB17
CB100505-102
FB20
CB100505-102
FB41
CB100505-102
R170
NC
C318
470nF
C319
470nF
C320
470nF
C321
470nF
R171
0Ω
C322
470nF
C323
470nF
FB42
NC
FB43
NC
R172
10K
R173
10K
C324
100P
C325
100P
C32
6.8P
1 GND
2 GND
3 RFIN
4
VDD
5
SHDN
6
RFOUT
U8
AT2659
C38
1uF
R76
0Ω
U-BLOX G7
RF
DIGITAL
POWER
DI
G
ITA
L
RF
40 LNA_IN
20 T_SENSE
31 PIO8/DDC_SCL
32 PIO9/DDC_SDA
18 PIO7/UART_RX
19 PIO6/UART_TX
8 USB_DM
10 USB_DP
9 VDD_USB
12 RTC_I
23 V_CORE
22 V_DCDC_OUT
21 V_DCDC_IN
24 LDO_C_OUT
7 VDD_IO
6 V_BCKP
5 LDO_B_OUT
3
XTAL_I
4
XTAL_O
2
LDO_X_OUT
17
RESET_N
25
PIO0
28
PIO1
27
PIO2
30
PIO3
26
PIO4
29
PIO5
33
PIO10/D-SEL
14
PIO13/EXTINT0
13
PIO14/EXTINT1
36
PIO15/ANT_OFF
37
PIO16/ANT_OK
16
TMS
15
TCK
34
PIO12/SAFEBOOT_N
35
PIO11/TIMEPUSLE1
39
VDD_LNA
1
VDD_ANA
38
LDO_RF_OUT
11 RTC_O
41
PAD
U3
UBX-M8030
L37
8.2nH
C54
47P
C60
2.5P
VDD
VSS
OUT
OE 1
4
2
3
X101
26MHz
R101
0Ω
R109
NC
C80 0Ω
R112
0Ω
C134
1uF
C136
1uF
C137
1uF
C138
1uF
C139
1uF
L38
BLM11A601S
C140
1uF
C141
1uF
R113 NC
R114 NC
FB1
CB100505-102
C142
1uF
1
2
Y1
32.768kHz
GPSRF
SB
GPSENABLE
RXD1
TXD1
GPS_LNA
GPS_LNA
TXD1
RXD1
GPS_VCC
GPS_V_BCKP
GPS_VCC
GPS_V_BCKP
Summary of Contents for DP480
Page 9: ...DP480 Service Manual 6 4 Circuit Description 4 1 Circuit Diagram of Main Board ...
Page 76: ...DP480 Service Manual 73 Top Layer Layout Drawing of Main Board ...
Page 77: ...DP480 Service Manual 74 Bottom Layer Layout Drawing of Main Board ...
Page 79: ...DP480 Service Manual 76 Top Layer Layout Drawing of Key PCB ...
Page 80: ...DP480 Service Manual 77 Bottom Layer Layout Drawing of Key PCB ...
Page 84: ...DP480 Service Manual 81 Top Layer Layout Drawing of Module Board ...