SIM808模块硬件设计
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2018-07-11
16:21:13
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C C
B B
A A
Title
Number RevisionSize
A3
Date: 2014/12/26 Sheet of
File: G:\百度云盘\..\GPS121221.SCH Drawn By:
TXD2
RXD2
RESET
CCIO
CCCLK
CCVCC
CCRST
VCC
RXD
RXD2
TXD2
TXD
1
2
P3
Header 2
VCC
RI
VCHG
+
-
470pF
C21
Cap
4.7uF
C20
Cap
IN
1
GND
2
EN
3
BYP
4
OUT
5
U8
MIC5205-3.3BM5
V_OUT
V_OUT
RI
4.7k
R18
Res1
10K
R20
Res1
VCHG
6.2K
R19
Res1
VCC
220uF
C17
Cap Pol1
1000pF
C19
Cap
104
C24
Cap
V_OUT
10pF
C18
Cap
2AF1
VCC
IGT2
D12
IN5819
STATUS
STATUS
D11
1n4148
47uF
C23
Cap Pol1
CCP1
CCP1
SIM908
开机
3.3V150mA
稳压
充电检测
STC
去耦
SIM908
去耦
SIM908
SS_2/ECI/P2.4
34
CCP0_3/P2.5
35
CCP1_3/P2.6
36
CCP2_3/P2.7
37
CCP3_2/P4.5
38
RXD2_2/P4.6
39
RXD3/P0.0
40
TXD3/P0.1
41
RXD4/P0.2
42
TXD4/P0.2
43
T4CLKO/P0.4
44
T4/P0.5
1
T3CLKO/P0.6
2
T3/P0.7
3
RXD2/CCP1/P1.0
4
TXD2/CCP0/P1.1
5
TXD2_2/P4.7
6
ECI/SS/P1.2
7
MOSI/P1.3
8
MISO/P1.4
9
SCLK/P1.5
10
XTAL2/P1.6
11
P1.7/XTAL1
12
P5.4/RST/SS_3
13
VCC
14
P5.5/CMP+
15
GND
16
P4.0/MOSI_3
17
P3.0/RXD/INT4
18
P3.1/TXD/T2
19
P3.2/INT0
20
P3.3/INT1
21
P3.4/T0
22
P3.5/T1
23
P3.6/INT2/RXD_2
24
P3.7/INT3/TXD_2
25
P4.1/MISO_3
26
P4.2/WR
27
P4.3/SCLK_3
28
P4.4/RD
29
P2.0
30
P2.1/SCLK_2
31
P2.2/MISO_2
32
P2.3/MOSI_2
33
U9
STC15L2K48S2
MCU
150mA
FB3
FB
D15
BV05C
CTS
CTS
10K1%
R35
Res1
10K1%
R36
Res1
ADC2
V_OUT
22nH
L2
105
C49
Cap
D19
BV05C
RXD
TXD
1
2
3
4
5
P1
Header 5
VCHG
MiniUSB插口（母头）
ID
330
R4
Res1
工作指示灯
330
R10
Res1
330
R5
Res1
电量指示灯
330
R6
Res1
CCVCC
CCRST
CCCLK CCIO
22pF
C12
Cap
100nF
C6
Cap
22R
R7
Res1
22R
R9
Res1 22R
R8
Res1
1
2
3 4
5
6
U4
SMF05C
自弹式SIM卡座
CCVCC
1
CCRST
2
CCCLK
3
CCGND
5
NC
6
CCIO
7
J1
SIM_6_1
GND
1
GND
2
GND
3
VBAT
4
VBAT
5
VBAT
6
VDD_EXT
7
PWRKEY
8
DTR
9
RI
10
DCD
11
CTS
12
RTS
13
TXD
14
RXD
15
RESET
16
VRTC
17
GND
18
MIC1P
19
MIC1N
20
SPK1P
21
SPK1N
22
ADC1
23
ADC2
24
VBUS
25
USB_DP
26
USB_DM
27
GND
28
SIM_VDD
29
SIM_DATA
30
SIM_CLK
31
SIM_RST
32
SIM_PRE
33
GND
34
GPS_RF_IN
35
GND
36
1PPS
37
SDA
38
SCL
39
GND
40
PWM2
41
PWM1
42
GPIO5
43
GPIO6
44
PCM_SYNC
45
PCM_CLK
46
PCM_IN
47
PCM_OUT
48
STATUS
49
NETLIGHT
50
GND
51
GND
52
ANT_BT
53
GND
54
ROW3
55
ROW2
56
ROW1
57
ROW0
58
COL3
59
COL2
60
COL1
61
COL0
62
RF_SYNS
63
GND
64
GND
65
GSM_RF_IN
66
GND
67
GND
68
U1
SIM808
P4
BNC
P5
BNC
P6
BNC
DS1
DS2
DS3
DS4
DS1
DS2
DS3
DS4
ADC2
V_OUT
DS1
LED0
DS2
LED0
DS3
LED0
DS4
LED0
S1
SW-PB
104
C26
Cap
IGT2
EN
EN
RESET
RTS
RTS
RF_SY
RF_SY
V_OUT
NC
C28
NC
C27
0R
R21
NC
C29
NC
C30
0R
R22
D16
BV05C
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