Hardware Guide

Table Of Contents
Pin
Number
Pin Name I/O
Reset
Status
Pin Description Type
26
W_DISABLE2
#
DI PU
GNSS positioning is disabled,
active low, reserved
CMOS
3.3V/1.8V
27 GND - - - - Ground
Power
supply
28 I2S_WA DO PD
I
2
S byte selection, left and right
channels, reserved
CMOS
1.8V
29
USB_SS_TX_
M
DO *
Ultra high speed USB data
transmitting negative
*
30 UIM1_RESET DO L SIM card 1 reset
CMOS
3V/1.8V
31 USB_SS_TX_P AO *
Ultra high speed USB data
transmitting positive
*
32 UIM1_CLK DO L SIM card 1 clock
CMOS
3V/1.8V
33 GND - - - - Ground
Power
supply
34 UIM1_DATA DIO L SIM card 1 data
CMOS
3V/1.8V
35
USB_SS_RX_
M
AI *
Ultra high speed USB data
receiving negative
*
36 UIM1_PWR PO *
SIM card 1 power supply,
3V/1.8V
CMOS
3V/1.8V
37 USB_SS_RX_P AI *
Ultra high speed USB data
receiving positive
*
38 WAKEUP_IN DI *
Peripheral wake-up module
control signal
CMOS
1.8V
3. Pin Definition
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