Uart Interface; Uart Design Guide - Sunsea AIoT SIMCom SIM7600NA User Manual

Table 10: RESET pin electronic characteristic
Symbol Description
The active low level time impulse on RESET pin to
T
reset
reset MODULE
V Input high level voltage
IH
V Input low level voltage
IL
3.3

UART Interface

MODULE provides a 7-wire UART (universal asynchronous serial transmission) interface as DCE
(Data Communication Equipment). AT commands and data transmission can be performed through
UART interface.
3.3.1

UART Design Guide

The following figures show the reference design.
SIM7600NA_user manual _V1.00
Figure 12: Reference reset circuit
29
Smart Machine Smart Decision
Min. Typ.
100 200
1.17 1.8
-0.3 0
2020-1-7
Max. Unit
500 ms
2.1 V
0.8 V