User's Guide

TPM540 EVK

www.sercomm.com DOC-669671v1 6

Cat-M1/NB1 Module

2.2. EVK Interfaces

Table 2.2 lists TPM540 available interfaces on EVK for reference .

Table 2.2

Interface

Note

UART0/J3

AT commands UART interface, default baud rate: 115200

UART1/J2

Console Log UART interface, default baud rate: 115200

UART2/J7

CLI/Firmware upgrade UART interface, default baud rate: 115200

USIM/J17

SIM card solt, supports 3FF, micro SIM card

JP5

UART0 to USB/external MCU switch jump.

JP2

UART1 to USB/external MCU switch jump.

JP1

UART2 to USB/external MCU switch jump.

J19

TPM540 USB interface

Power switch

J8/J21

RF_GNSS interface

J6/J11

RF_LTE interface

5V DC input