User`s guide

Table B–8 (Cont.) Jumper Position Descriptions (Repeated)
Select Bit
Register Bit
Name Function
sp_bit6 MINI_DEBUG Jumper out (default)—Boot selected image in
flash ROM.
Jumper in—Trap to SROM debug port (J1).
sp_bit<5:3> BC_SPEED<2:0> L2 cache speed selection is shown here.
BC_SPEED
<2> <1> <0>
J3-21 J3-19 J3-17 L2 Cache Period
In
1
In In Reserved
In In Out
2
6ns
In Out In 8 ns
In Out Out 10 ns
Out In In 12 ns (default)
Out In Out 15 ns
Out Out In Reserved
Out Out Out Reserved
1
Jumper in (logical 0)
2
Jumper out (logical 1)
(continued on next page)
B–18 SROM Initialization