Freescale Semiconductor MSC8156 Evaluation Module MSC8156EVM MSC8156EVM Benutzerhandbuch

Produktcode
MSC8156EVM
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MSC8156 Reference Manual, Rev. 2
25-4
 Freescale 
Semiconductor
Debugging, Profiling, and Performance Monitoring
TDO 
A data output that can be tri-stated and actively driven in the 
SHIFT
-
IR
 and 
SHIFT
-
DR
 controller states. TDO 
changes on the falling edge of TCK.
TRST
An asynchronous reset (with an internal pull-up resistor) that provides initialization of the TAP controller and 
other logic required by the standard.
Table 25-1.  TAP Signals (Continued)
Signal Description