HD404818 Datasheet, PDF (35/100 Pages) Hitachi Semiconductor – 16-digit LCD driver

HD404818 Series
The low-power mode operation sequence is shown in figure 17. With the IE flag cleared and an interrupt
flag set together with its interrupt mask cleared, if a STOP/SBY instruction is executed, the instruction is
cancelled (regarded as an NOP) and the following instruction is executed. Before executing a STOP/SBY
instruction, make sure all interrupt flags are cleared or all interrupts are masked.
Power on
RESET = 1 ? ^No
Yes
Reset
MCU
MCU
operation
cycle
Figure 15 MCU Operating Sequence (power on)
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