User Configurable Switches - Xycom Xembedded XPMC-6710 Reference Manual

User Configurable Switches

The XPMC-6710 has two user configurable switches on the PMC (SW2 and SW3). Switch
SW2 controls the speed of the local Processor, while SW3 controls the power up configuration
for the board. See Figure 1-3 for an illustration of the switch settings and there location.
Switch SW2
1 2 3 4 5
ON
1 0 0 0 0 = 600MHz
1 2 3 4 5
1 0 1 0 0 = 800MHz
1 2 3 4 5
1 0 1 1 0 = 1.0GHz
1 2 3 4 5
1 0 0 1 0 = 1.2GHz
1 2 3 4 5
0 1 0 1 0 = 1.3GHz
ON (UP) = Low (0)
OFF (Down) = High (1)
Switch Signal
Pos 6 *WP
(ON)
6 7 8
Pos 7 *FWP
(ON)
6 7 8
Pos8 GPIO8
(ON)
6 7 8
Document Number: 646710
NOTE: Switches S2 and S3 are located on the bottom side of the board.
1 2 3 4 5
0 0 1 0 0 = 1.4GHz
1 2 3 4 5
0 0 0 1 0 = 1.5GHz
1 2 3 4 5
1 1 0 0 0 = 1.6GHz
1 2 3 4 5
0 1 1 0 0 = 1.7GHz
Description
ON: Write Protect Boot Flash
ON: Write Protect Data Flash
User Defined Input
Figure 1-3 Location of User Configurable Switches
User Configurable Switches
SW2
Switch SW2
1 2 3 4 5 6 7 8
ON
Switch SW3
Signal
Switch
PWRUP_PCI_SWRST
1 and 2
3 and 4 PWRUP_PB_SWRST
5 and 6 PWRUP_PCI1_SWRST Reserved = Leave both of
7 and 8 PWRUP_PCI1_BYP
1
SW3
ON
Description
0:1 = Release PCI/X
interface from reset
after main reset
is released
1:0 = Hold PCI/X
interface in reset after
master reset is released.
0:0 = Invalid
1:1 = Invalid
0:1 = Enable Processor
after master reset is
released.
1:0 = Hold Processor
interface in reset after
master reset is released.
0:0 = Invalid
1:1 = Invalid
these switches in the OFF
position.
Reserved = Leave both of
these switches in the OFF
position.
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