Quectel Mini PCIe-C EVB User manual

Mini PCIe-C EVB
User Guide
UMTS/HSPA+/LTE Standard Module Series
Rev: Mini_PCIe-C_EVB_User_Guide_V1.0
Date: 2019-11-08
Status: Released
www.quectel.com

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Shanghai, China 200233
Tel: [phone]
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Copyright © Quectel Wireless Solutions Co., Ltd. 2019. All rights reserved.

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About the Document
History
Revision
Date
Author
Description
1.0
2019-11-08
Jouni YANG/
Woody WU
Initial

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Contents
About the Document...................................................................................................................................2
Contents.......................................................................................................................................................3
Table Index...................................................................................................................................................4
Figure Index.................................................................................................................................................5
1Introduction..........................................................................................................................................6
1.1. Applicable Modules.................................................................................................................6
1.2. Safety Information ...................................................................................................................7
2General Overview.................................................................................................................................8
2.1. Key Features...........................................................................................................................8
2.2. Component Placement of Mini PCIe-C EVB...........................................................................9
2.3. Top and Bottom Views of EVB ..............................................................................................12
2.4. EVB KitAccessories..............................................................................................................13
3EVB and Accessories Assembly......................................................................................................15
4EVB Interface Application.................................................................................................................16
4.1. Power Supply (J201/J302)....................................................................................................16
4.2. USB Interface (J302).............................................................................................................17
4.3. Audio Interfaces (J4011)/J4041)/J402/J403)..........................................................................18
4.3.1. AnalogAudio Interfaces Connected to Codec for PCM Function Testing (J401/J404)1)19
4.3.1.1. Earphone Interface (J401).................................................................................... 19
4.3.1.2. Handset Interface (J404)...................................................................................... 21
4.3.2. Analog Audio Interfaces (J402/J403).............................................................................22
4.3.2.1. Handset Interface (J402)...................................................................................... 22
4.3.2.2. Earphone Interface (J403).................................................................................... 24
4.4. (U)SIM Interface (J303).........................................................................................................25
4.5. UART Interface (J301)...........................................................................................................27
4.6. Switch and Button (S201/S101)............................................................................................29
4.7. Status Indicators (D103/D101)..............................................................................................30
4.8. Test Points.............................................................................................................................31
5Operation Procedures Illustration....................................................................................................33
5.1. Turn on the Mini PCIe-C/-D and EP200F Modules...............................................................33
5.2. Communication via USB or UART Interface.........................................................................33
5.2.1. Communication via USB Interface.................................................................................33
5.2.2. Communication via UART Interface...............................................................................34
5.3. Firmware Upgrade.................................................................................................................35
5.3.1. Firmware Upgrade (UC20/EC20 R2.0/EC20 R2.1 Mini PCIe-C/EP200F)....................35
5.3.2. Firmware Upgrade (EC200T Mini PCIe-C/EC200T-CN Mini PCIe-D)...........................35
5.4. Reset the Mini PCIe-C/-D and EP200F Modules..................................................................36
5.5. Turn off the Mini PCIe-C/-D and EP200F Modules...............................................................37
6Appendix A References.....................................................................................................................38

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Table Index
TABLE 1: KEY FEATURES OF MINI PCIE-C EVB ............................................................................................. 8
TABLE 2: COMPONENT FUNCTIONS OF MINI PCIE-C EVB......................................................................... 10
TABLE 3: ACCESSORIES LIST........................................................................................................................ 13
TABLE 4: PIN DEFINITION OF J302................................................................................................................ 18
TABLE 5: PIN DEFINITION OF J401................................................................................................................ 20
TABLE 6: PIN DEFINITION OF J404................................................................................................................ 22
TABLE 7: PIN DEFINITION OF J402................................................................................................................ 23
TABLE 8: PIN DEFINITION OF J403................................................................................................................ 25
TABLE 9: PIN DEFINITION OF J303................................................................................................................ 26
TABLE 10: PIN DEFINITION OF J301.............................................................................................................. 28
TABLE 11: DESCRIPTION OF S201 AND S101............................................................................................... 29
TABLE 12: DESCRIPTION OF D103 AND D101.............................................................................................. 30
TABLE 13: DESCRIPTION OF TEST POINTS ................................................................................................. 31
TABLE 14: RELATED DOCUMENTS................................................................................................................ 38
TABLE 15: TERMS AND ABBREVIATIONS...................................................................................................... 38

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Figure Index
FIGURE 1: COMPONENT PLACEMENT OF EVB TOP SIDE (UNIT: MM)........................................................ 9
FIGURE 2: COMPONENT PLACEMENT OF EVB BOTTOM SIDE (UNIT: MM).............................................. 10
FIGURE 3: EVB TOP VIEW .............................................................................................................................. 12
FIGURE 4: EVB BOTTOM VIEW ...................................................................................................................... 12
FIGURE 5: EVB KIT ACCESSORIES ............................................................................................................... 13
FIGURE 6: MINI PCIE-C EVB AND ACCESSORIES ASSEMBLY.................................................................... 15
FIGURE 7: EVB POWER SUPPLY BLOCK DIAGRAM.................................................................................... 16
FIGURE 8: EVB POWER SUPPLY INTERFACE.............................................................................................. 17
FIGURE 9: POWER PLUG DESIGN................................................................................................................. 17
FIGURE 10: REFERENCE CIRCUIT DESIGN OF THE USB INTERFACE ..................................................... 18
FIGURE 11: REFERENCE CIRCUIT DESIGN FOR CODEC........................................................................... 19
FIGURE 12: REFERENCE CIRCUIT DESIGN FOR EARPHONE INTERFACE J401..................................... 19
FIGURE 13: PIN ASSIGNMENTS OF EARPHONE INTERFACE J401 ........................................................... 20
FIGURE 14: REFERENCE CIRCUIT DESIGN FOR HANDSET INTERFACE J404........................................ 21
FIGURE 15: PIN ASSIGNMENTS OF HANDSET INTERFACE J404 .............................................................. 21
FIGURE 16: REFERENCE CIRCUIT DESIGN FOR HANDSET INTERFACE J402........................................ 22
FIGURE 17: PIN ASSIGNMENTS OF HANDSET INTERFACE J402 .............................................................. 23
FIGURE 18: REFERENCE CIRCUIT DESIGN FOR EARPHONE INTERFACE J403..................................... 24
FIGURE 19: PIN ASSIGNMENTS OF EARPHONE INTERFACE J403 ........................................................... 24
FIGURE 20: SKETCH DESIGN OF CTIAAUDIO PLUG .................................................................................. 25
FIGURE 21: REFERENCE CIRCUIT DESIGN FOR (U)SIM INTERFACE J303.............................................. 26
FIGURE 22: PIN ASSIGNMENTS (U)SIM INTERFACE J303 .......................................................................... 26
FIGURE 23: BLOCK DIAGRAM OF UART INTERFACE.................................................................................. 27
FIGURE 24: PIN ASSIGNMENTS OF UART INTERFACE J301...................................................................... 28
FIGURE 25: SWITCH S201 AND BUTTON S101............................................................................................. 29
FIGURE 26: STATUS INDICATORS ................................................................................................................. 30
FIGURE 27: TEST POINTS............................................................................................................................... 31
FIGURE 28: USB PORTS FOR UC20/EC20 R2.0/EC20 R2.1 MINI PCIE-C/EP200F..................................... 33
FIGURE 29: USB PORTS FOR EC200T MINI PCIE-C/EC200T-CN MINI PCIE-D.......................................... 34
FIGURE 30: COM PORT SETTING FIELD ON QCOM (USB AT PORT CONNECTION)................................ 34
FIGURE 31: USB SERIAL PORT...................................................................................................................... 34
FIGURE 32: COM PORT SETTING FIELD ON QCOM (USB SERIAL PORT CONNECTION)....................... 34
FIGURE 33: CONFIGURATIONS FOR FIRMWARE UPGRADE (UC20/EC20 R2.0/EC20 R2.1 MINI
PCIE-C/EP200F) ............................................................................................................................................... 35
FIGURE 34: FIRMWARE UPGRADE (EC200T MINI PCIE-C/EC200T-CN MINI PCIE-D)............................... 36

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1Introduction
This document describes how to use the evaluation board of Mini PCIe-C modules. It is an assistant tool
to develop and test Quectel Mini PCIe-C/-D and EP200F modules.
1.1. Applicable Modules
Mini PCIe-C EVB is applicable to the following modules. Please refer to document [1],[2] or [3] for more
details about these modules.
UC20 Mini PCIe-C
EC20 R2.0 Mini PCIe-C
EC20 R2.1 Mini PCIe-C
EP200F
EC200T Mini PCIe-C
EC200T-CN Mini PCIe-D

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1.2. Safety Information
The following safety precautions must be observed during all phases of operation, such as usage, service
or repair of any cellular terminal or mobile incorporating EP200F/Mini PCIe-C/-D modules. Manufacturers of
the cellular terminal should send the following safety information to users and operating personnel, and
incorporate these guidelines into all manuals supplied with the product. If not so, Quectel assumes no
liability for customers’ failure to comply with these precautions.
Full attention must be given to driving at all times in order to reduce the risk of an
accident. Using a mobile while driving (even with a handsfree kit) causes
distraction and can lead to an accident. Please comply with laws and regulations
restricting the use of wireless devices while driving.
Switch off the cellular terminal or mobile before boarding an aircraft. The operation
of wireless appliances in an aircraft is forbidden to prevent interference with
communication systems. If the device offers an Airplane Mode, then it should be
enabled prior to boarding an aircraft. Please consult the airline staff for more
restrictions on the use of wireless devices on boarding the aircraft.
Wireless devices may cause interference on sensitive medical equipment, so
please be aware of the restrictions on the use of wireless devices when in
hospitals, clinics or other healthcare facilities.
The cellular terminal or mobile contains a transmitter and receiver.When it is ON, it
receives and transmits radio frequency signals. RF interference can occur if it is
used close to TV set, radio, computer or other electric equipment.
In locations with potentially explosive atmospheres, obey all posted signs to turn
off wireless devices such as your phone or other cellular terminals. Areas with
potentially explosive atmospheres include fuelling areas, below decks on boats,
fuel or chemical transfer or storage facilities, areas where the air contains
chemicals or particles such as grain, dust or metal powders, etc.

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2General Overview
Quectel supplies the Mini PCIe-C EVB to facilitate application design based on Quectel Mini PCIe-C/-D
and EP200F modules. It can test module basic functionalities.
2.1. Key Features
The following table describes the detailed features of Mini PCIe-C EVB.
Table 1: Key Features of Mini PCIe-C EVB
Features
Description
Power Supply
DC supply: 4.5V~5.5V, typically: 5.0V
VBAT: 3.3V for J204
USB Interface
A micro-USB interface compliant with USB 2.0 standard
Audio Interfaces
Two reserved analog audio interfaces used for handset (J404) and
earphone (J401) connecting to codec to test the PCM function;
Support TLV320AIC1106 codec
Two analog audio interfaces used for handset (J402) and earphone
(J403)
(U)SIM Interface
A (U)SIM card (6-pin) connector with push loading
Support (U)SIM card: 1.8V/3.0V
UART Interface
COM: serial interface for data communication and AT command
communication
Max baud rate: 460800bps (115200bps by default)
Status Indicators
2 LEDs are available for signal indication
Switch and Button
A power supply ON/OFF control switch
A button used to reset the module
Physical Characteristics
Size: 94mm ×58mm

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2.2. Component Placement of Mini PCIe-C EVB
VDD_3V3
J202
Mini PCIe Card
J301
COM (UART Port)
J201 J302
S201
S101
Micro USB
interface
J303
J404
(U)SIM card connector
Audio interfaces
Power
supply Power
switch RESET
D103 D101
Status LEDs
1 5
6 9
Test points
VBAT
GND
J103
WAKEUP_IN W_DISABLE
J101 J102
1
51
2
52
J401
J403
J402
Audio interfaces
J204
GND
J203
POWER_ON DTR_3.0V
WAKEUP_OUT
VDD_EVT J104
94
58
Figure 1: Component Placement of EVB Top Side (Unit: mm)

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COM (UART Port)
J201
J303
J503
(U)SIM card connector
Audio interfaces Power
supply
1 5
6 9
J502
Audio interface
94
58
J301
Figure 2: Component Placement of EVB Bottom Side (Unit: mm)
Table 2: Component Functions of Mini PCIe-C EVB
Functions
Component
No.
Description
Power Supply
J201
(bottom side)
The power jack on the EVB
Typical supply voltage: +5V
Power ON/OFF
Switch
S201
VBAT ON/OFF control
RESET
S101
Reset button
Used to reset the Mini PCIe-C/-D and EP200F modules
USB
J302
Micro-USB connector
Can also be used to supply power for EVB through
USB_VBUS
J402
(bottom side)
Used for handset
Used to test the analog audio function of Mini PCIe-C and
EP200F modules
J403
Used for Ф3.5mm CTIA earphone by default

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
1) Software functions of J401 and J404 are not supported.
Used to test the analog audio function of Mini PCIe-C and
EP200F modules
(U)SIM
J303
(bottom side)
USIM/SIM card connector
COM
J301
(bottom side)
UART port
Status Indicators
D101, D103
D101 is used to indicate the network status of Mini PCIe-C/
-D and EP200F modules
D103 is VBAT ON/OFF indicator
Mini PCIe Slot
J101
Mini PCI Express connector for Mini PCIe-C/-D and EP200F
modules
Spring Latch
J102
Spring latch for Mini PCIe-C/-D and EP200F modules
Reserved
J202
J202 or R207 can be used to control the connection between the
DC-DC output and the VBAT of the module.
J204
Used to input external 3.3V voltage and test the modules’ current
J103
Used to test the function of the module’s pin WAKEUP_IN and
W_DISABLE#
J104
Used to test the level of the module’s pin WAKEUP_OUT and
VDD_EXT
J203
Used to control the module’s power through pin DTR_3.0V
J4011)
Used for Ф3.5mm CTIA earphone by default
Used to test the PCM function of Mini PCIe-C and EP200F
modules
J4041)
(bottom side)
Handset connector
Used to test the PCM function of Mini PCIe-C and EP200F
modules
Test Points
See Chapter
4.8
Used to test the UART/PCM signals
NOTE

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2.3. Top and Bottom Views of EVB
The top and bottom views of the Mini PCIe-C EVB are shown as below.
Figure 3: EVB Top View
Figure 4: EVB Bottom View

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2.4. EVB Kit Accessories
All accessories of the EVB kit are listed below.
Figure 5: EVB Kit Accessories
Table 3: Accessories List
Items
Description
Quantity
Cables
USB to RS-232 converter cable
1
USB cable
1
RF cables
3
Antennas
Main antennas
2
Main Antennas
Instruction Sheet
RF Cables
USB to RS-232
Converter Cable
USB Cable
USB Flash Disk
Earphone
GNSS Antennas
Disk
Bolts and Nuts

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The main antennas can also be used for diversity reception.
GNSS antenna (passive)
1
Audio
Earphone
1
Disk
USB 2.0 to RS-232 driver
1
USB Flash Disk
Including Mini PCIe module’s related
documents, tools, drivers, etc.
1
Others
Bolts and nuts for assembling EVB
4 for each type
Instruction Sheet
A sheet of paper giving instructions for EVB
connection, details of EVB accessories, etc.
1
NOTE

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3EVB and Accessories Assembly
The following figure shows the assembly of Mini PCIe EVB and its accessories.
Figure 6: Mini PCIe-C EVB and Accessories Assembly

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4EVB Interface Application
This chapter describes the following Mini PCIe-C EVB components application:
Power supply
USB interface
Audio interfaces
(U)SIM interface
UART interface
It also provides information about the switch, button, status indicators and test points to facilitate the use
of the Mini PCIe-C EVB.
4.1. Power Supply (J201/J302)
The Mini PCIe-C EVB can be powered by an external power adapter through connecting with the power
jack (J201) or USB connector (J302) on the EVB. The power adapter is designed to be connected to a
step-down converter (U201), which can convert the supplied voltage into proper voltage (VBAT) for the
Mini PCIe-C/-D and EP200F modules.
The following two figures show the simplified power supply block diagram and the EVB power supply
interface.
J201
S201
Power jack
Power
switch
U201
1.8V
3.0V
U202
U203
USB interface
J302
VBAT Power supply for
Mini PCIe-C/-D
module
Step-downconverter
TPS54319RTER
3.3V
R207
J202
Figure 7: EVB Power Supply Block Diagram

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GND 5V DC power input
Figure 8: EVB Power Supply Interface
If the power jack is used for power supply, the power plug design of the adapter is shown as below.
Inner contact
Outer contact
Figure 9: Power Plug Design
4.2. USB Interface (J302)
Quectel Mini PCIe-C/-D or EP200F module provides a USB interface which complies with USB 2.0
standard and supports high-speed (480Mbps) mode. The interface is used for AT command
communication, data transmission, firmware upgrade and GNSS NMEA output.
The Mini PCIe-C EVB provides a micro-USB interface J302 for connection with a host device. The USB
data lines USB_DP and USB_DM are connected directly to the Mini PCIe-C/-D or EP200F module. The
USB_VBUS line can be used for USB connection detection and EVB power supply.
The following figure is a reference circuit design of the USB interface.

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J101
USB_DP
USB_DM
GND Differential layout
USB_VBUS
USB_DP
USB_DM
GND
ESD Array
NM_2pF
USB_ID
Power supply for EVB 1
2
3
4
5
36
38
J302
Figure 10: Reference Circuit Design of the USB Interface
Table 4: Pin Definition of J302
4.3. Audio Interfaces (J4011)/J4041)/J402/J403)
Quectel Mini PCIe-C or EP200F module provides one analog audio interface (PCM). The Mini PCIe-C
EVB is equipped with an external audio codec named TLV320AIC1106, and the following figure shows a
reference circuit design of audio codec.
The Mini PCIe-C EVB provides four audio interfaces J401, J404, J402 and J403. J401and J404 are used
to test the PCM function of Mini PCIe-C or EP200F module by connecting to codec TLV320AIC1106, and
J402 and J403 are used to test the analog audio function of Mini PCIe-C and EP200F modules. The
following sub-chapters give detailed introduction on these audio interfaces.
Pin No.
Pin Name
Function
1
USB_VBUS
Used for EVB power supply
2
USB_DM
USB serial differential bus (-)
3
USB_DP
USB serial differential bus (+)
4
USB_ID
Not connected
5
GND
GND for USB interface

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PCM_IN
PCM_OUT
PCM_SYNC
PCM_CLK
J101
VDD_1.8V
A1 B1
MIC_BIAS
MIC_P
MIC_N
SPK_P
SPK_N
MIC
(J401/J404)
Handset
(J401/J404)
11
10
7
5
45
51
47
49
TXS0104E
A2 B2
A4 B4
A3 B3
VDDA VDDB
PCMI
PCMO
PCMSYNC
MCLK
TLV320AIC1106
VDD_3.0V
AVDD_3.0V
U402
U401
Figure 11: Reference Circuit Design for Codec

1) Software functions of J401 and J404 are not supported.
4.3.1. Analog Audio Interfaces Connected to Codec for PCM Function Testing
(J401/J404)1)
4.3.1.1. Earphone Interface (J401)
The analog audio interface J401 is designed for CTIA earphone. Its reference circuit design is shown in
the following figure.
33pF
GND GND
Differential
layout 10pF
10pF 33pF
GND
GND
AGND
4.7uF
AGND
ESD
ESD
TLV320AIC1106
Codec
MIC_N
MIC_P
10pF 33pF ESD
J401
Audio Jack
SPK_P
SPK_N
2
4
5
3
1
10
11
5
7
AGND
Figure 12: Reference Circuit Design for Earphone Interface J401
NOTE