phyCORE-LPC2292/94
48
©
PHYTEC Messtechnik GmbH 2006 L-658e_5
Debug/Trace Port Configuration
Configuration
R205 for P120
(X700D30)
R206 for P126
(X700D37)
P1.16 through P1.25
function as TRACE port
populated don't
care
P1.16 through P1.25
function as port pins
unpopulated don't
care
P1.26 through P1.31
function as Debug port
don't care
populated
P1.26 through P1.31
function as port
don't care
unpopulated
Table 37:
System Startup Configuration – Debug/Trace Port
Default system startup configuration on the phyCORE-LPC2292/94
Default system startup configuration with debugCORE-LPC2292/94
4.2
Starting the LPC2292/94 ISP Mode
In order to start the ISP command handler on the LPC2292/94, port
P0.14 of the microcontroller must be connected to a low signal level at
the time the reset signal changes from its active to the inactive state.
This is achieved by applying a high-level signal at pin X1C9 (BOOT)
of the phyCORE-LPC2292/94. A transistor circuitry connects P0.14 to
GND as long as the BOOT pin is high. An on-board pull-up resistor
(R213) ensures a high level at P0.14 if the BOOT signal is not active.
This BOOT signal can be generated by a push button (temporary
signal) or jumper setting (permanent signal) on the phyCORE
Developent Board HD200
(refer to section 16.3.2 for more details)
.
Содержание phyCORE-LPC2292/94
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