Hệ thống GPS và thi công module sim908

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,- +,     - ,
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/- "%%- - "" # " %%-  . 
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#,"
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# .  !  %%  +" %   
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$  !   #  $ ""#   %.  !  $
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'#
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, #!""
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,! #$""#C$D!EF:G
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% -..%"I#3=J7"-
  %       #  # 
""",=;.
'#
+34!4560
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DTR
RTS
TXD
TXD
1
RXD
5
DTR_N
2
VDD_232
4
RTS_N
3
RI_N
6
GND1
7
VDD

8
DSR_N
9
DCD_N
10
CTS_N
11
SHTD_N
12
EE_CLK
13
EE_DATA
14
DP
15
DM
16
VDD_3V3
17
GND_3V3
18
RESET
19
VDD1
20
GND
21
TRI_STATE
22
LD_MODE

23
VDD_PLL
24
GND_PLL
25
PLL_TEST
26
OSC1
27
OSC2
28
U01
PL2303
PL_DP
PL_DM
GND
GND
GND
GND
GND
GND
3V3
R23
4k7
R21 220k
R22 220k
R24
27
R25
27

R26
1k5
C21
10p
C22
10p
C23
100n
C25
100n
C24
10u
XT2
12M
3V3
USB_5V
USB_5V
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3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18

19 20
P2
JTAG 20 pin
GND
3V3
TDI
TMS
TCK
TDO
nRST
R01 10k
R02 10k
R03 10k
R04 10k
3V3
21
SW2
GND
R05
10k
3V3
D2
R2
1k
3V3
1
2
P3
IOTEST
C_SW

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PA0/U0RX
26
PA1/U0TX
27
PA2/SSI0CLK
28
PA3/SSI0FSS
29
PA4/SSI0RX
30
PA5/SSI0TX
31
PC0/TCK/SWCLK
80
PC1/TMS/SWDIO
79
PC2/TDI
78
PC3/TDO/SWO
77
PC4/CCP5
25
PC5/C1+
24
PC6/PHB0

23
PC7/C1O
22
PD0/U2RX
10
PD1/U2TX
11
PD2/CCP6
12
PD3/CCP0
13
PE2/SSI1RX
95
PE3/SSI1TX
96
PD6/ADC5
99
PD7/ADC4
100
GND
9
GND
15
GND
21
GND
33
RSTN
64
LDO

7
OSC0
48
OSC1
49
PB0/U1RX
66
PB1/U1TX
67
USB0DM
70
USB0DP
71
PB4/C0-
92
PB5/C1-
91
PB6/C0+
90
PB7/NMI
89
PB2/I2C0SCL
72
USB0RBIAS
73
PE0/SSI1CLK
74
PE1/SSI1FSS
75
PE4/ADC3

6
PE5/ADC2
5
PA6/CCP1
34
PA7/CCP3
35
PE6/ADC1
2
PE7/ADC0
1
PF0/PWM0
47
PF1/PWM1
61
PF2/PWM4
60
PF3/PWM5
59
PF4/C0O
58
PF5/CCP2
46
PF6/PHA0
43
PF7/CCP4
42
PG0/I2C1SCL
19
PG1/I2C1SDA

18
PG2/FAULT0
17
PG3/FAULT2
16
PG4/FAULT1
41
PG5/IDX0
40
PG6/PWM6
37
PG7/PWM7
36
PH0/PWM2
86
PH1/PWM3
85
PH2/FAULT3
84
PH3/USB0EPEN
83
VDDA
3
PD5/ADC6
98
PD4/ADC7
97
GNDA
4
VDD

8
VDD
20
VDD
32
VDD
44
VDD
56
VDD
68
VDD
81
VDD
93
GND
39
GND
45
GND
54
GND
57
GND
63
GND
69
GND
82
GND

87
GND
94
VDD25
14
VDD25
38
VDD25
62
VDD25
88
WAKEN
50
HIBN
51
XOSC0
52
XOSC1
53
VBAT
55
PB3/I2C0SDA
65
PH4/USB0PFLT
76
LM3S3749-IQC
U1
GND
VBAT
GND

GND
3V3
21
SW1
R07
10k
GND
3V3
nWAKE
XT1
8MHz
C07
10p
C06
10p
GND GND
nRST
TDO
TDI
TCK
TMS
PE0
PE1
PE2
PE3
PE4
PE5
PE6
PE7
PA0

PA1
PA2
PA3
PA4
PA5
PA6
PA7
RX0
TX0
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PD0
PD1
PD2
PD3
PD4

PD5
PD6
PD7
PF0
PF1
PF2
PF3
PF4
PF5
PF6
PF7
PG0
PG1
PG2
PG3
PG4
PG5
PG6
PG7
PH0
PH1
PH2
PH3
PH4
R06 9.1k 1%
GND
USB0_DP
USB0_DM
nHIB
XOSC0

XOSC1
C11
0.01u
C12
0.01u
C13
0.1u
C14
0.1u
C15
1u
C01
1u
C02
0.01u
C03
0.1u
C04
0.1u
C05
0.01u
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