Hardware Reference Design; Hardware Typical Application - Jinan USR IOT Technology WIFI232-A User Manual

Function
Name
External
DB9
Interface
RJ-45
Mini USB
Module
LED
Power (Red)
CTS (Green 1)
RTS(Green 2)
Reload(Green
3)
Ready(Green
4)
Link(Green 5)
Button
Reset
Reload
3.5 3.5 Hardware Hardware Reference Reference
3.5 Hardware 3.5 Hardware Reference Reference Design

3.5.1 Hardware Typical Application

Figure 17
Notes Notes
Notes Notes：
nRST- Module hardware reset signal. Input. Logics "0" effective.
nRST- nRST- nRST-
There is 100K Ohm pull-up resister internal up to 3.3V. When module power up or some issue
happened, MCU need assert nRST signal "0" at least 300ms, then set" 1" to keep module fully
reset.
Jinan USR IOT Technology Limited
USR-WIFI232-A/B/C User Manual
Description
Male serial jack of 9-pin,and used to connect to
PC
100M Eth Interface
B－type interface,AS 5v@1A power input port
2x7 2mm DIP connector
3.3V Power Indicator
CTS/GPIO Indicator
RTS/GPIO Indicator
nReload/GPIO Indicator
nReady/GPIO Indicator
NLink/GPIO Indicator
Used to reset the module.
Module restore to factory default configuration.
Design Design
Design
USR-WIFI232-A/B/C USR-WIFI232-A/B/C USR-WIFI232-A/B/C Hardware USR-WIFI232-A/B/C Hardware Hardware Hardware Typical
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Typical Typical Typical Application Application Application Application
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