Digi NS7520B-1-C36 Hardware Reference Manual page 39

Mnemonic Signal
TRST_ Test mode reset
TCK Test mode clock
Table 14: ARM debugger signal description
Figure 4: TRST_ termination
P i n o u t a n d P a c k a g i n g
Description
TRST_ operates the JTAG standard. Consult the JTAG
specifications for use in boundary-scan testing. These
signals meet the requirements of the Raven and Jeeni
debuggers.
TCK operates the JTAG standard. Consult the JTAG
specifications for use in boundary-scan testing. These
signals meet the requirements of the Raven and Jeeni
debuggers.
NS7520
TRSTNS7520
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