ARM ARM966E-S Technical Reference Manual page 149

ARM DDI 0186A
Name Direction
CPTBIT Output
Coprocessor
instruction Thumb
bit
nCPMREQ Output
Not coprocessor
instruction request
nCPTRANS Output
Not coprocessor
memory translate
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Table A-3 Coprocessor interface signals (continued)
Description
When HIGH indicates that the ARM966E-S in is
Thumb state. When LOW indicates that the
ARM966E-S is in ARM state. Sampled by the
coprocessor pipeline follower.
When LOW on the rising edge of CLK and
CPCLKEN is HIGH, the instruction on CPINSTR
must enter the coprocessor pipeline.
When LOW indicates that the ARM966E-S is in User
mode. When HIGH indicates that the ARM966E-S is
in privileged mode. Sampled by the coprocessor
pipeline follower.
Signal Descriptions
A-7