Section 18
Power-Down States
Rev.2.00 Jun. 28, 2007 Page 581 of 666
REJ09B0311-0200
18.8.4
Timing Sequence at Power-On
Figure 18.4 shows the timing sequence at power-on.
At power-on, the
RES
pin must be driven low with the
STBY
pin driven high for a given time in
order to clear the reset state.
To enter hardware standby mode immediately after power-on, drive the
STBY
pin low after
exiting the reset state.
For details on clearing hardware standby mode, see section 18.8.3, Hardware Standby Mode
Timing.
Power supply
RES
STBY
Reset state
Hardware standby mode
1
2
3
Figure 18.4 Timing Sequence at Power-On
Содержание H8SX/1650
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Страница 668: ...Section 20 Electrical Characteristics Rev 2 00 Jun 28 2007 Page 646 of 666 REJ09B0311 0200...
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