Hardware Guide

Pin
Number
Pin Name I/O
Reset
Status
Pin Description Type
39 GND - - - - Ground
Power
supply
40
SIM2_DETEC
T
DI *
SIM card 2 detection, and
external pull-up and pull-down
are required. A card is available
at high level by default,
SPI_MISO (Reserved)
CMOS
1.8V
41 PETn0 DO * PCIe data transmitting negative *
42 UIM2_DATA DIO L
SIM card 2 data, SPI_MOSI
(Reserved)
CMOS
3V/1.8V
43 PETp0 DO * PCIe data transmitting positive *
44 UIM2_CLK DO L
SIM card 2 clock, SPI_CLK
(Reserved)
CMOS
3V/1.8V
45 GND - - - - Ground
Power
supply
46 UIM2_RESET DO L
SIM card 2 reset,
SPI_CS(Reserved)
CMOS
3V/1.8V
47 PERn0 DI * PCIe data receiving negative *
48 UIM2_PWR PO * SIM card 2 power supply
CMOS
3V/1.8V
49 PERp0 DI * PCIe data receiving positive *
50 PERST# DI PD
Module PCIe interface reset.
Active low, and an external pull-
up resistor is required
CMOS
3.3V/1.8V
51 GND - - - - Ground
Power
supply
3. Pin Definition
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