Xilinx Spartan-3E - Appendix A: Schematics; FX2 Expansion Header, 6-Pin Headers, and Connectorless Probe Header

132 www.xilinx.com Spartan-3E Start Kit Board User Guide
UG230 (v1.0) March 9, 2006
Appendix A: Schematics
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FX2 Expansion Header, 6-pin Headers, and Connectorless Probe
Header
Headers J1, J2, and J4 are six-pin connectors compatible with the Digilent Accessory board
format.
Headers J3A and J3B are the connections to the FX2 expansion connector located along the
right edge of the board.
Header J5 provides the four analog outputs from the Digital-to-Analog Converter (DAC).
Header J6 is the landing pad for an Agilent or Tektronix connectorless probe.
Header J7 provides the two analog inputs to the programmable pre-amplifier (AMP) and
two-channel Analog-to-Digital Converter (ADC).
The diagram in the lower left corner shows the JTAG chain.
See Chapter 15, “Expansion Connectors,” for additional information.