Home
Quectel
Control Unit
BC68
Quectel BC68 Hardware Design
4
of 1
of 1 rating
81 pages
Give review
Manual
Specs
To Next Page
To Next Page
To Previous Page
To Previous Page
Loading...
GSM/GPRS
Module
Series
M66
Hardware
Design
M66_Hard
w
are_Desig
n
Confidential /
Release
d
16
/
80
3.1.
Pin of Module
3.1.1.
P
in
Assignment
AGND
SPK2P
MICP
MICN
SPK1P
SPK1N
PWRKEY
SIM_RST
SIM_CLK
CTS
VRTC
VBAT
GND
GND
DBG_TXD
DBG_RXD
GND
GND
RF_ANT
14
M66
Top View
15
16
17
18
19
20
21
22
36
37
38
39
40
41
42
43
44
1
2
3
4
5
6
7
8
9
10
11
12
13
23
24
25
26
27
28
29
30
31
32
33
34
35
AVDD
ADC0
SIM_GND
SIM_DATA
GND
PCM_OUT
PCM_IN
PCM_SYNC
PCM_CLK
TXD_AUX
RXD_AUX
GND
BT_ANT
RFTXMON
VDD_EXT
RTS
DCD
RI
DTR
TXD
RXD
NETLIGHT
RESERVED
SIM_VDD
VBAT
POWER
GND
AUDIO
UART
SIM
PCM
ANT
OTHERS
RESERVED
Figure 2:
Pin A
ssignment
Keep all reserv
ed pins open.
NOTE
Quectel
Confidential
16
18
Table of Contents
About the Document
3
Contents
4
Table of Contents
4
1 Introduction
10
Safety Information
11
2 Product Concept
12
General Description
12
Key Features
13
Functional Diagram
15
Evaluation Board
15
3 Application Interface
16
Pin of Module
17
Pin Assignment
17
Pin Description
18
Operating Modes
22
Power Supply
23
Power Features of Module
23
Decrease Supply Voltage Drop
24
Reference Design for Power Supply
24
Monitor Power Supply
25
Power on and down Scenarios
25
Power on
25
Power down
27
Power down Module Using the PWRKEY Pin
27
Power down Module Using at Command
28
Under-Voltage Automatic Shutdown
29
Restart
29
Power Saving
30
Minimum Functionality Mode
30
SLEEP Mode
30
Wake up Module from SLEEP Mode
31
Summary of State Transition
31
RTC Backup
31
Serial Interfaces
33
UART Port
35
The Feature of UART Port
35
The Connection of UART
36
Firmware Upgrade
37
Debug Port
38
Auxiliary UART Port
39
UART Application
39
Audio Interfaces
41
Decrease TDD Noise and Other Noise
42
Microphone Interfaces Design
42
Receiver and Speaker Interface Design
43
Earphone Interface Design
45
Audio Characteristics
45
PCM Interface
46
Configuration
46
Timing
47
Reference Design
49
AT Command
49
SIM Card Interface
50
Adc
52
Behaviors of the RI
52
Network Status Indication
54
RF Transmitting Signal Indication
55
4 Antenna Interface
57
GSM Antenna Interface
57
Reference Design
57
RF Output Power
58
RF Receiving Sensitivity
59
Operating Frequencies
59
RF Cable Soldering
60
Bluetooth Antenna Interface
60
5 Electrical, Reliability and Radio Characteristics
62
Absolute Maximum Ratings
62
Operating Temperature
62
Power Supply Ratings
63
Current Consumption
64
Electro-Static Discharge
66
6 Mechanical Dimensions
67
Mechanical Dimensions of Module
67
Recommended Footprint
69
Top View of the Module
70
Bottom View of the Module
70
7 Storage and Manufacturing
71
Storage
71
Soldering
72
Packaging
72
Tape and Reel Packaging
73
Other manuals for Quectel BC68
Manual
32 pages
4
Based on 1 rating
Ask a question
Give review
Questions and Answers:
Need help?
Do you have a question about the Quectel BC68 and is the answer not in the manual?
Ask a question
Quectel BC68 Specifications
General
Brand
Quectel
Model
BC68
Category
Control Unit
Language
English
Related product manuals
Quectel BC660K-GL
58 pages
Quectel BC26
73 pages
Quectel BC95
59 pages
Quectel BG96
80 pages
Quectel BG77
80 pages
Quectel BG95
48 pages
Quectel BG95 Series
84 pages
Quectel BG96 TCP/IP
53 pages
Quectel M35
86 pages
Quectel M66
32 pages
Quectel EC25
232 pages
Quectel SC20
30 pages
To Next PageTo Next PageTo Previous PageTo Previous Page
Loading...
Need help?
General
