System Control Instructions - Epson S1C33 Series Core Manual

5 INSTRUCTION SET

5.15 System Control Instructions

The following three instructions are used to control the system. They do not affect the registers or memory.
Only increments the PC, with no other operations performed
nop
Places the processor in HALT mode
halt
Places the processor in SLEEP mode
slp
For details on HALT and SLEEP modes, refer to Section 6.4, "Power-Down Mode," and the Technical Manual for
each S1C33 model.
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S1C33 FAMILY C33 PE CORE MANUAL