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Configuring the USB Debug Connection
ARM DUI 0224F Copyright © 2003-2007 ARM Limited. All rights reserved. G-11
G.4.1 Global Properties
The Global Properties area of the Debug tab contains settings that control the behavior
of the USB debug port when it resets the target hardware. (See Table G-1.)
Table G-1 Reset behavior register names and values
Setting Register name Enumerator Value
Reset Type
RESETOPERATION
nSRST
0x0
nTRST
0x1
nSRST + nTRST
0x2
Fake
0x3
Reset On Disconnect (Default)
RESETONDISCONNECT
FALSE
0x0
TRUE
0x1
Default Post Reset State
POSTRESETSTATE
Running
0x0
Stopped
0x1
nSRST Hold Time (ms)
RESETHOLDTIME
--
nSRST Post Reset Delay (ms)
POSTRESETDELAY
--
nTRST Hold Time (ms)
NTRSTHOLDTIME
--
nTRST Post Reset Delay (ms)
NTRSTPOSTRESETTIME
--
TAP Reset via State Transitions
DOSOFTTAPRESET
FALSE
0x0
TRUE
0x1
Target nSRST + nTRST linked
LINKED_SRST_TRST
FALSE
0x0
TRUE
0x1
JTAG Clock Type JTAGCLOCKTYPE Fixed
0x0
Adaptive
0x1