Programmable Logic Jtag Programming Options; Programmable Logic Jtag Select Switch, Jtag Cable Connector - Xilinx ZC702 User Manual

Programmable Logic JTAG Programming Options

[Figure 1-2, callout 6]
The ZC702 board JTAG chain is shown in
X-Ref Target - Figure 1-9
J2
JTAG
Header
TDO
TDI
U75
U76
U23
U77
JTAG 3:1
Module Analog
Switch
TDO
TDI
J58
JTAG
Header
TDO
TDI

Programmable Logic JTAG Select Switch, JTAG Cable Connector

[Figure 1-2, callout 23]
The JTAG chain can be programmed by three different methods made available via a 3-to-1
analog switch (U75, U76, and U77) controlled by a 2-position DIP switch at SW10.
Figure 1-10 shows the JTAG analog switches and DIP switch SW10.
ZC702 Board User Guide
UG850 (v1.2) April 4, 2013
Figure
SPST Bus Switch
U25
N.C.
J3 J4
FMC LPC
Connector
TDI TDO
Figure 1-9: JTAG Chain Block Diagram
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1-9.
SPST Bus Switch
U26
N.C.
3.3V 2.5V
U39
FMC LPC
Connector
SN74AVC1T45
Voltage
Translator
TDI TDO TDI TDO
U38
SN74AVC1T45
Voltage
Translator
TDO
Feature Descriptions
U1
Zynq-7000
XC7Z020
AP SoC
TDI
TDO
TDI
UG850_c1_09_030513
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