11
1.
Manually
: Set each switch to either 3V3 or GND
2.
USB Programming Mode
: Set all switches to PRG
Setting Master/Slave Manually
Set the 5 switches on each backplane using Figure 1Figure 12 and the table in Figure 13.
Figure 12: Backplane Reference Designators.
U450 is
MASTER
U451 is
MASTER
U452 is
MASTER
U453 is
MASTER
All U45x
SLAVE
Backplane 1
C1L
C2L
C3L
C4L
All Slave
Backplane 2
C4R
C3R
C2R
C1R
All Slave
SW1
0
0
0
1
0
SW2
0
0
1
0
0
SW3
1
0
0
0
0
SW4
0
1
0
0
0
SW7
1
1
1
1
0
Figure 13: Manual Mode Master Slave Switch Settings
U453
C1R
U452
C2R
U451
C3R
U450
C4R
U450
C1L
U451
C2L
U452
C3L
U453
C4L
