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Section 4 Preparations for Debugging
H-UDI
port
JTAG
port
TDI
Rev. 1.00 Nov. 26, 2007 Page 32 of 230
REJ10J1766-0100
SHxxxx
TDI
H-UDI
TDO
IC
TDO
TDI
TAP
TAP
Boundary scan loop
User system
Figure 3.11 User System Example
IC
TDI
TDO
TDI: Test data input
TDO: Test data output
TAP: Test access port
IC
TDO
TAP
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Troubleshooting
