SPMC/DPMC-122 G
ETTING
S
TARTED
M
ANUAL
D
Y
4 S
YSTEMS
I
NC
.
2-2
812628 V
ERSION
1 O
CTOBER
2003
C
ONFIGURING
J
UMPERS
Table 2.1 summarizes the user-configurable jumper settings. In-depth descriptions of these
settings are provided in subsequent pages.
Factory configurations are performed via the installation/removal of configuration resistors.
Please contact the factory if you require information about factory configured options. Under
normal circumstances, you should not need to alter any of the factory-configured options.
Cross Reference
Depending on your application, it may be necessary to modify the default jumper settings
on your SCP/DCP-122. For information about your card’s default configuration, refer to the
Product Release Note
.
T
ABLE
2.1: Jumper Settings Summary
Option
Jumper Setting
Flash Boot Write Protect Enable/Disable:
Disable Flash Boot Write Protect.
Enable Flash Boot Write Protect.
Connect E1-E2
Open E1-E2
Flash Application Bank Write Protect Enable/Disable:
Disable Flash Application Bank Write Protect.
Enable Flash Application Bank Write Protect.
Connect E3-E4
Open E3-E4
Enable Writes to Permanent Alternate Boot Site (PABS)
Memory:
Disable Permanent Alternate Boot Bank Write Protect.
Enable Permanent Alternate Boot Bank Write Protect.
Connect E5-E6
(caution: for factory use only)
Open E5-E6 (normal configuration)
Boot from the Permanent Alternate Boot Site (PABS):
Boot from 8-bit PABS site.
Boot from the main Flash memory.
Connect E7-E8
Open E7-E8
Configuring Watchdog Timer Behaviour:
Watchdog timer generates an interrupt on timeout.
Watchdog timer generates a reset on timeout.
Connect E9-E10
Open E9-E10
Changing the Execution Sequence during Card Boot Up:
(see “Controlling the Boot Sequence” on page 4-15 for more
information)
Connect E11-E12 to connect User Link/Software Switch (SW0)
signal to ground.
Open E11-E12 to pull up User Link/Software Switch (SW0)
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com