The Linx QS Series USB Interface module allows the rapid addition of USB to virtually any device. Housed in a compact SMD package, the QS module provides a complete solution for converting between USB and CMOS / TTL logic level serial sources. The module can be directly connected to virtually any serial device including microprocessors, RS-232 / RS-485 level converters or Linx wireless RF modules.
The QS module is completely self contained so it requires Figure 1: Package Dimensions no external components except a USB jack and includes all necessary firmware and drivers, freeing the designer from complicated programming. Power can be supplied externally or from the USB bus. Both USB 1.1 and USB 2.0 are supported at data rates up to 3Mbps.