First line: XR17x152 XR17x152 Universal Evaluation Board User's Manual 1.30 Introduction Exar proud announce Port UART. worlds' first port UART that Local Compliant 2.2. XR17x152 fully feature 16550 compatible. list features, refer data sheet www.exar.com. Description XR17x152 evaluation board uses 32-bit with Abstract: .. XR17x152 Universal Evaluation Board User’s Manual Rev 1.30. Introduction. Exar is proud to announce our new 2 Port PCI UART. It is the worlds’ first PCI two port UART that is PCI Local Bus Compliant .. Tags: XR17x152XR17x152 ST49C101A-XX