How Is The Nop Command Used - NEC mPD98409 Q&A

CHAPTER 10 COMMANDS
Q.10.4

How is the NOP command used?

A.10.4
The NOP command is issued two times to close a receive VC after the receive look-up table has been disabled, in
the following sequence:
(1) Disable the receive look-up table.
(2) Issue the NOP command two times.
(3) Issue the receive Deactivate_Channel command.
(4) Issue the receive Close_Channel command.
Reference: µ PD98409 User's Manual 6.6 Command Details
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