User`s manual
Table 2 Jumper Position Descriptions
Select Bit
Register Bit
Name Function
sp_bit7 BOOT_OPTION Jumper out—Boot first image in flash ROM.
Jumper in (default)—Boot one of several alternate
images in flash ROM as specified by NVRAM
location 3F in TOY RAM.
sp_bit6 MINI_DEBUG Jumper out (default)—Boot selected image in
flash ROM.
Jumper in—Trap to SROM debug port (J2).
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 Access
Time
In In In Reserved
In In Out 6 ns
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
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