Application Interfaces; Pin Assignment - Quectel EC200T Hardware Design

3

Application Interfaces

The physical connections and signal levels of EC200T Mini PCIe comply with PCI Express Mini Card
Electromechanical Specification. This chapter mainly describes the definition and application of the
following interfaces/pins of EC200T Mini PCIe.

Power supply

(U)SIM interface

USB interface

UART interface

PCM and I2C interfaces

Control and indication pins

3.1. Pin Assignment

The following figure shows the pin assignment of EC200T Mini PCIe module. The top side contains
EC200T module and antenna connectors.
Pin Name
WAKE#
RESERVED
RESERVED
RESERVED
GND
UART_RX
UART_TX
GND
RI
RESERVED
GND
UART_CTS
UART_RTS
GND
GND
DTR
RESERVED
GND
GND
VCC_3V3
VCC_3V3
GND
PCM_CLK
PCM_DOUT
PCM_DIN
PCM_SYNC
EC200T_Mini_PCIe_Hardware_Design
Pin No.
1
3
5
7
9 PIN1
11
13
15
17
TOP
19
21
23
25
27
29
PIN51
31
33
35
37
39
41
43
45
47
49
51
Figure 2: Pin Assignment
LTE Standard Module Series
EC200T Mini PCIe Hardware Design
Pin No.
2
4
6
8
10
PIN2
12
14
16
18
BOT
20
22
24
26
28
30
PIN52
32
34
36
38
40
42
44
46
48
50
52
Pin Name
VCC_3V3
GND
NC
USIM_VDD
USIM_DATA
USIM_CLK
USIM_RST
RESERVED
GND
W_DISABLE#
PERST#
RESERVED
GND
NC
I2C_SCL
I2C_SDA
GND
USB_DM
USB_DP
GND
LED_WWAN#
USIM_DET
RESERVED
NC
GND
VCC_3V3
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