258 CHAPTER 12 Designing the target board for trace
J-Link / J-Trace (UM08001) ©
2004-2012 SEGGER Microcontroller GmbH & Co. KG
12.3 Signal requirements
The table below lists the specifications that apply to the signals as seen at the
JTAG+Trace connector.
Signal Value
Fmax 200MHz
Ts setup time (min.) 2.0ns
Th hold time (min.) 1.0ns
TRACECLK high pulse width (min.) 1.5ns
TRACECLK high pulse width (min.) 1.5ns
Table 12.1: Signal requirements
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