42 www.xilinx.com SP601 Hardware User GuideUG518 (v1.1) August 19, 2009Chapter 1: SP601 Evaluation BoardConfiguration OptionsThe FPGA on the SP601 Evaluation Board can be configured by the following methods:• “3. SPI x4 Flash,” page 18• “4. Linear Flash BPI,” page 20• “JTAG Configuration,” page 42For more information, refer to the Spartan-6 FPGA Configuration User Guide. [Ref 2]JTAG ConfigurationJTAG configuration is provided through onboard USB-to-JTAG configuration logic wherea computer host accesses the SP601 JTAG chain through a Type-A (computer host side) toType-Mini-B (SP601 side) USB cable.The JTAG chain of the board is illustrated in Figure 1-31. JTAG configuration is allowableat any time under any mode pin setting. JTAG initiated configuration takes priority overthe mode pin settings.FMC bypass jumper J4 must be connected between pins 1-2 for JTAG access to the FPGAon the basic SP601 board, as shown in Figure 1-31. When the VITA 57.1 FMC expansionconnector is populated with an expansion module that has a JTAG chain, then jumper J4must be set to connect pins 2-3 in order to include the FMC expansion module's JTAGchain in the main SP601 JTAG chain.Table 1-23: Mode Pin Settings (M2 = 0)Mode Pins (M1, M0) Configuration Mode00 Master Byte Peripheral Interface (BPI)01 Master SPI x1, x2, or x410 Not implemented on SP60111 Not implemented on SP601X-Ref Target - Figure 1-31Figure 1-31: JTAG ChainFMC LPC ExpansionTDITDITDOTDOJ1U1J10J4FPGAUSB Mini-BConnectorUG518_31_070809*Default jumper setting excludes FMC.To include FMC, jumper pins 2-3.1