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Features
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- all memory accesses are on 32 bit boundaries
- output value can be bit 0, 7, 15 or 31 (assistance for software shift operations)
- output value can optionally be inverted
- tri-state control and output holding registers are treated the same
- tri-state control and output holding registers can be updated separately or with one write operation
- tri-state control and output holding registers can be read back
- I/O pin input "high" can be read as bit 0, 7, 15 or 31, or as 0xFFFFFFFF
- I/O pin input value can be optionally inverted
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- access similar to physical I/P Pins
- optional read only access to TMS, TCK, TDI pins
- optional access to DNA primitive pins
- access to LED's pins
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Overview
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