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SIM7020C
SimCom SIM7020C Hardware Design
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Smart Machine S
mart Decis
ion
SIM
7020
_Hardware_Desig
n
_
V1.0
2
11
201
8-07-
25
Ta
b
l
e
3
: Pin
d
efinition
P
in No.
P
in
Na
me
P
in No.
P
in
Na
me
1
UAR
T
1_TXD
22
UAR
T
2_TXD
2
UAR
T
1_RXD
23
UAR
T
2_RXD
3
U
A
RT
1
_
RT
S
24
USB
_VB
US
4
UAR
T1
_CTS
25
USB
_DP
5
UAR
T
1_DCD
26
USB
_DN
6
UAR
T
1_DTR
27
GND
7
U
A
RT
1
_
R
I
28
RESET
8
GND
29
GP
IO
1
9
VDD_3V3
30
GND
10
GPIO
0
31
GND
11
RT
C
_
G
P
I
O
0
32
ANT
12
RTC
_
E
I
N
T
33
GND
13
GND
34
V
B
AT
14
SIM_D
ET
35
V
B
AT
15
S
I
M
_
D
ATA
36
GND
16
SIM_
C
LK
37
GND
17
SI
M_RST
38
ADC
18
SIM_V
D
D
39
PW
R
KEY
19
GND
40
VDD_EXT
20
NC
41
NETL
IGHT
21
GND
42
S
T
AT
U
S
2.2
Pi
n
D
esc
rip
tion
Ta
b
l
e
4
: IO parameters definition
Pin
type
Description
PI
Power input
PO
Power output
AI
Analog input
AIO
Analog input/
output
I/O
Bidirectional
input /output
DI
Digital in
put
DO
Digital o
utput
DOH
Digital o
utput with hig
h level
DOL
D
igital ou
tput with low level
PU
Pull up
11
13
Table of Contents
Default Chapter
3
Table of Contents
3
1 Introduction
8
Product Outline
8
Hardware Interface Overview
8
Hardware Block Diagram
8
Functional Overview
9
2 Package Information
11
Pin Assignment Overview
11
Pin Description
12
Table 5: Pin Description
13
Mechanical Information
15
Footprint Recommendation
16
3 Interface Application
17
Power Supply
17
Power Supply Design Guide
17
Voltage Monitor
18
Power On/Power Off/Reset Function
18
Power on
18
Table 8: Power on Timing and Electronic Characteristic
19
Power off
20
Reset Function
21
UART Interface
22
UART Design Guide
22
Figure 12: Reference Circuit of Level Shift
23
RI and DTR Behavior
24
USB Interface
24
SIM Interface
25
SIM Application Guide
25
Recommended SIM Card Holder
26
Network Status
27
Adc
27
3.10 Power Supply Output
28
4 RF Specifications
30
LTE RF Specifications
30
LTE Antenna Design Guide
31
RF Traces Note
32
RF Traces Layout
32
Figure 23: RF Trace Should be Far Away from Other High Speed Signal Lines
33
LTE ANT and Other System ANT Decoupling
34
5 Electrical Specifications
35
Absolute Maximum Ratings
35
Operating Conditions
35
Operating Mode
36
Operating Mode Definition
36
Sleep Mode
37
Minimum Functionality Mode and Flight Mode
37
Power Saving Mode (PSM)
38
Extended Mode DRX (E-DRX)
38
Current Consumption
38
ESD Notes
39
6 SMT Production Guide
40
Top and Bottom View of SIM7020
40
Typical SMT Reflow Profile
40
Moisture Sensitivity Level (MSL)
41
Baking Requirements
41
Stencil Foil Design Recommendation
42
7 Packaging
43
Table 35: Small Carton Size
44
8 Appendix
45
Related Documents
45
Terms and Abbreviations
47
Safety Caution
49
Other manuals for SimCom SIM7020C
User Guide
13 pages
5
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SimCom SIM7020C Specifications
General
Brand
SimCom
Model
SIM7020C
Category
Control Unit
Language
English
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