Related Manuals for GridConnect USB232
Summary of Contents for GridConnect USB232
- Page 1 USB232 Converter User Guide Revision C January 6, 2011 Document Part Number GC-800-339c...
- Page 3 Grid Connect and the Grid Connect logo, and combinations thereof are registered trademarks of Grid Connect, Inc. All other product names, company names, logos or other designations mentioned herein are trademarks of their respective owners. USB232 Converter is a trademark of Grid Connect, Inc. Grid Connect 1630 W. Diehl Rd.
- Page 4 Disclaimer and Revisions Date Rev. Author Comments 02/05/10 Preliminary Release 09/08/10 Updates to drivers 01/06/10 Updates to drivers USB232 Converter User Guide...
- Page 5 The contents of this document shall not become part of or modify any prior or existing agreement, commitment or relationship. USB232 Converter User Guide...
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Page 6: Table Of Contents
Figure 4-USB Transient Suppressor ..................1-6 Figure 5-USB UART ......................1-7 Figure 6-RS232 Transceiver ....................1-9 Figure 7-Power Supply ......................1-9 Figure 8-RXD LED........................ 1-9 Figure 9-TXD LED ........................ 1-9 Figure 10-USB-232 with B Connector................. 1-10 USB232 Converter User Guide... -
Page 7: Introduction
OEM products. The USB232 converter design uses the Exar evaluation board as a reference design. The optimized drivers supplied by Exar will be used. A block diagram is shown below. -
Page 8: Usb-232 Features
• Windows 2000, XP, Vista, and Mac • Optional EEPROM for vendor data 1.2 Design Reference The Exar USB-UART 1-Channel Evaluation Board was used as the reference design for the USB232 converter design. • Exar XR21V1410IL16-QFN16 USB UART (V1410) •... -
Page 9: Driver Installation
Software setup requires installing the USB232 device driver. The device driver allows the USB232 device to appear to the PC's application software as an additional COM port (in addition to any existing hardware COM ports). Application software running on the PC accesses the USB232 device as it would access a standard hardware COM port. -
Page 10: Rs232 Interface
Bulk-in and bulk-out endpoints 1.5.1 USB Vendor ID Exar’s USB Vendor ID is 0x04E2. This is the default Vendor ID that is used for the USB232 Converter. 1.5.2 USB Product ID The default USB Product ID for the USB232 Converter is 0x1410. -
Page 11: Uart Manager
1.6.4 Automatic DTR/DSR Hardware Flow Control Auto DTR/DSR hardware flow control behaves the same as the Auto RTS/CTS hardware flow control described above except that it uses the DTR# and DSR# signals. USB232 Converter User Guide... -
Page 12: 6Automatic Xon/Xoff Software Flow Control
USB ports are typically implemented in 3-V or 5-V digital CMOS with very limited ESD protection. The SN75240 can significantly increase the port ESD protection level and reduce the risk of damage to the circuits of the USB port. Figure 4-USB Transient Suppressor USB232 Converter User Guide... -
Page 13: Usb Uart
The XR21V will use the LPWR Low Power signal to shut down the RS232 transceiver and some internal circuits. This will save power when no data signals are active. The low power mode takes effect in about 30 seconds of idle time. See Figure 5-USB UART. USB232 Converter User Guide... -
Page 14: Rs232 Transceiver
The transmitter outputs and receiver inputs of the SP3244E/3245E are characterized for protection to the following limits: • ±15kV using the Human Body Model • ±8kV using the Contact Discharge method specified in IEC 1000-4-2 • ±15kV using the Air-Gap Discharge method specified in IEC 1000-4-2 USB232 Converter User Guide... -
Page 15: Power Supply
An LED has been added for the RXD and TXD data lines. LEDs are mounted so that the top sticks out of the case to provide a wide viewing angle. Figure 8-RXD LED Figure 9-TXD LED USB232 Converter User Guide... -
Page 16: Usb Cable Options
The standard unit is supplied with an 8” USB-A cable with a strain relief. An optional USB-B connector can be installed on the circuit board. This will allow the user to plug in different lengths of USB cables. Contact Grid Connect sales to custom order the USB232 adapter. Figure 10-USB-232 with B Connector 1.9 Software Requirements... - Page 17 USB232 Converter User Guide...
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