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  3. EK-ST50
EK-ST50

AcSiP EK-ST50 User guide

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  • What type of connectors are included on the EK-ST50?
    Does the EK-ST50 have a reset button?
    What is the purpose of the FTDI Chip?
AcSiP Technology Corp. www.acsip.com.tw
AcSiP Technology Corp.
www.acsip.com.tw
EK-ST50 User Guide
Doc No : 912-12602
Ver. : C
Date: 2021/06/10
AcSip Confidential
AcSip Confidential
AcSip Confidential
AcSiP Technology Corp. www.acsip.com.tw
EK-ST50 PCB Connector Description
Micro-USB Connector
Arduino Connector
SMA Connector
RF IN/OUT
Arduino Connector
5V & 3.3V Power LED Reset Button
AcSip Confidential
AcSip Confidential
AcSip Confidential
AcSiP Technology Corp. www.acsip.com.tw
UART Port Connector
FTDI Chip FT230XQ
USB to Basic UART
https://www.ftdichip.com/Pro
ducts/ICs/FT230X.html
Module’s Power
Supply Connector
5V Power Input Selection
Connector
EK-ST50 PCB Connector Description
AcSip Confidential
AcSip Confidential
AcSip Confidential
AcSiP Technology Corp. www.acsip.com.tw
EK-ST50 PCB Connector Description
AcSip Confidential
AcSip Confidential
AcSip Confidential
AcSiP Technology Corp. www.acsip.com.tw
EK-ST50 Schematic Diagram
Module peripheral circuit Diagram
AcSip Confidential
AcSip Confidential
AcSip Confidential
AcSiP Technology Corp. www.acsip.com.tw
EK-ST50 Schematic Diagram
USB to UART Circuit Diagram
AcSip Confidential
AcSip Confidential
AcSip Confidential
AcSiP Technology Corp. www.acsip.com.tw
EK-ST50 Schematic Diagram
Power Supply Circuit Diagram
AcSip Confidential
AcSip Confidential
AcSip Confidential
AcSiP Technology Corp. www.acsip.com.tw
EK-ST50 Schematic Diagram
SB101 is behind the PCB
Note : ST-50HE low power consumption mode use.
(Jumper must be remove )
VDDPA Switching Circuit Diagram
AcSip Confidential
AcSip Confidential
AcSip Confidential
AcSiP Technology Corp. www.acsip.com.tw
EK-ST50 Schematic Diagram
Note : The PA0 and PA1 pins in ST50H have been controlled by Acsip’s software
, So these two pins on the PCB are NC pins.
Pin definition Circuit Diagram
SB201 & SB202 are behind the PCB
AcSip Confidential
AcSip Confidential
AcSip Confidential
AcSiP Technology Corp. www.acsip.com.tw
Low-Pass Filter Circuit for EMI Test
Capacitor : Murata GRM1555C1HR50BA01D
Inductor : Murata LQG15HS1N8S02D
AcSip Confidential
AcSip Confidential
AcSip Confidential
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