Fujitsu MB90460 Series, Hardware Manual, Page: 115 / 739

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CHAPTER 6 LOW POWER CONSUMPTION MODE
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Access to the Low Power Consumption Mode Control Register
Switching to low power consumption mode (including stop mode and sleep mode) is performed by writing
to the low power consumption mode control register. Only the instructions listed in Table 6.3-2 should be
used for this purpose. If other instructions are used for switching to low power consumption mode,
operation cannot be assured. To control functions not listed in Table 6.3-2, any instruction can be used.
When word-length is used for writing to the low power consumption mode control register, even addresses
must be used. Writing with odd addresses to switch to low power consumption mode may cause a
malfunction.
Table 6.3-2 Instructions to be used for switching to Low Power Consumption Mode
MOV io, #imm8
MOV io, A
MOV @RLi+disp8, A
MOVW io, #imm16
MOVW io, A
MOVW @RLi+disp8, A MOV dir, #imm8
MOV dir, A
MOVW dir, #imm16
MOVW dir, A
MOV eam, #imm8
MOV addr, 16A
MOVW eam, #imm16
MOVW addr16, A
MOV eam, Ri
MOV eam, A
MOVW eam, RWi
MOVW eam, A
SETB io:bp
CLRB io:bp SETB dir:bp
CLRB dir:bp SETB addr16:bp
CLRB addr16:bp