User Manual
BCM91250E
01/07/05
B ro a d c o m C o r p o r a t i o n
Document
91250E-UM100-R
Switches
Page 15
S
WITCHES
Figure 6 shows the positions of switches numerically. Compare Figure 6’s number callouts with a description
of each switch in Table 7.
Figure 6: Switch Callouts
Table 7: Switch Descriptions
Board ID Function
Default
SW1
16 position rotary switch to set config[5:2] for interpretation by
software. See “Firmware Configuration” on page 17 for more
details.
0x2
SW2
Cold Reset asserted when the button is pressed.
N/A
SW3
NMI (GPIO 8) asserted when the button is pressed.
N/A
SW4
2-position DIP switch, for board configuration dip[2:1]
See specific bits below.
dip[2] = System byte order (on = big endian; off = little endian)
on
dip[1] = generic bus CS0/1 mux (on = promice on CS0, flash
on CS1; off = flash on CS0, promice on CS1)
off
