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EPS SKL5010 User Manual

Contactless usb2.0
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User Manual
SKL5010 – Contactless USB2.0
1. Overview
This document guides users how to use the SKL5010A/B modules. The pair of
modules transmits USB2.0 signals or UART/GPIO/I2C at a distance of several
centimeters in a contactless way. SKL5010 opens a new scene for USB2.0 connection
applications. This module integrates a MCU and ST60A3, a millimeter wave wireless
transceiver chip, which can be simply connected to the existing USB Type-c interface
replacing a USB2.0 cable.
2. Block diagram
Figure 1.
Schematic diagram of SKL5010
SKL5010 User manual
1 of 11

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Summary of Contents for EPS SKL5010

  • Page 1 This document guides users how to use the SKL5010A/B modules. The pair of modules transmits USB2.0 signals or UART/GPIO/I2C at a distance of several centimeters in a contactless way. SKL5010 opens a new scene for USB2.0 connection applications. This module integrates a MCU and ST60A3, a millimeter wave wireless transceiver chip, which can be simply connected to the existing USB Type-c interface replacing a USB2.0 cable.

  • Page 2: Connection Method

    The SKL5010A can change the level of the MCU's PB0 by switching the position of the resistor to select the SKL5010's operating mode. PB0 defaults to high level, meaning SKL5010 operates in USB2.0 tunneling mode. When PB is low, SKL5010 will work in one of the UART/GPIO/I2C tunneling modes, the UART, GPIO and I2C tunneling modes are determined by the program burned into the MCU.
  • Page 3 USB2.0 Tunneling Mode Connection diagram: Figure 6. Schematic diagram of using SKL5010 to connect USB2.0 Device SKL5010A is in host mode, and the input interface is USB Type-C female, which can be connected to PC through USB Type A to C data cable, and directly powered by PC through USB cable.

  • Page 4: Led Indicator

    1. When the green LED lights up but the brightness is low, it indicates that the power supply of SKL5010 is normal, but the wireless connection is not established. 2. When the green LDE brightness becomes high and blinks, it indicates that SKL5010A and SKL5010B are establishing a communication connection.
  • Page 5 Figure 9. LED indicator status mode Connect to Smart Phone: As shown in the following figure, SKL5010 can also transfer data from a smartphone with a type-c interface to a PC. SKL5010 User manual 5 of 11...
  • Page 6 Figure 10. SKL5010 connect to Smart Phone UART Tunneling Mode Connection: Soldering the pull-down resistor of PB0 will make PB0 of SKL5010A low and put the module in UART tunneling mode. The contactless UART data communication can be tested by powering the module through the 2.0mm pin header, as well as connecting the USB to UART tool and then connecting it to a PC.
  • Page 7 GPIO0 UART(RX)/I2C(SCL)/GPIO tunneling, 1.8V level GPIO1 UART(TX)/I2C(SDA)/GPIO tunneling 1.8V level Ground The following is the test block diagram of the SKL5010 module in UART tunnel mode: Figure 13. Connection block diagram for testing UART communication using SKL5010 SKL5010 User manual...
  • Page 8 Figure 14. Connection block diagram for testing UART communication using SKL5010 The above figure shows the physical diagram of the UART tunnel mode connection of the SKL5010 module. Note that both GPIO0 and GPIO1 are at 1.8V levels, so the USB to UART tool needs to be able to match 1.8V levels as well.
  • Page 9 Please refer to UART Tunneling Mode for GPIO Tunneling Mode setting method and connection. GPIO Tunneling Mode requires specific firmware to be burned, please contact the EPS FAE if needed. I2C Tunneling Mode Connection: Please refer to UART Tunneling Mode for I2C Tunneling Mode setting method and connection.

  • Page 10: Symbol Description

    Plastic or other microwave insensitive materials can be used to fill the window. 5. Characteristics Recommended operating conditions and electrical characteristics Symbol Description Unit Power supply Input current(*) Total Power consumption 0.21 Ambient Operating ℃ Temperature, for SKL5010A/B Fosc Carrier Frequency 60.3 60.4 60.5 SKL5010 User manual 10 of 11...

  • Page 11: Fcc Statement

    Dec 8 2023 Schematic diagram of SKL5010’ Oct 25 2023 Add FCC parts, Update ‘ Sep 25 2023 Updated model name SKL5010, Update all features APR 25 2022 Update ‘Connect to Smart Phone’ APR 25 2022 Update power supply APR 05 2022...

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