Digilent 210-251P-BOARD - Manual (Page 3)

JTAG-SMT2 Reference Manual
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Page 3 of 11
Note: The Xilinx Tools expect GPIO2/CS3 to be connected to the SRST_B pin on a Zynq chip. As a result, SPI ports 6
and 7 may not be used for SPI communication if the Xilinx Tools are going to be used to communicate with the
SMT2.
Software Support
In addition to working seamlessly with all Xilinx Tools, Digilent’s Adept software and the Adept software
development kit (SDK) support the SMT2 module. For added convenience, customers may freely download the
SDK from Digilent’s website. This Adept software includes a full-featured programming environment and a set of
public application programming interfaces (API) that allow user applications to directly drive the JTAG chain.
With the Adept SDK, users can create custom applications that will drive JTAG ports on virtually any device. Users
may utilize the APIs provided by the SDK to create applications that can drive any SPI device supporting those
modes. Please see the Adept SDK reference manual for more information.
IEEE 1149.7-2009 Compatibility
The JTAG-HS2 supports several scan formats, including the JScan0-JScan3, MScan, and OScan0 - OScan7. It is
capable of communicating in 4-wire and 2-wire scan chains that consist of Class T0 – T4 JTAG Target Systems (TS)
(see Figs. 3 & 4).
TMS
TDI
TCK
TDO
Host
+
JTAG-SMT2
(DTS)
TMS
TDI
TCK
TDO Target
System 0
TMS
TDI
TCK
TDO Target
System 1
TMS
TDI
TCK
TDO Target
System N
Figure 3. 4-Wire series topology.