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UPD77533 bảng dữ liệu(PDF) 34 Page - Renesas Technology Corp

tên linh kiện UPD77533
Giải thích chi tiết về linh kiện  MOS INTEGRATED CIRCUIT
PDF  104 Pages
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nhà sản xuất  RENESAS [Renesas Technology Corp]
Trang chủ  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

UPD77533 bảng dữ liệu(HTML) 34 Page - Renesas Technology Corp

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Data Sheet S15671EJ4V0DS
32
µµµµPD77533
7. SHIFTING TO AND RESTORING FROM POWER SAVE MODE
The
µPD77533 has two power save modes: STOP and HALT.
The
µPD77533 is shifted from normal mode (RUN) to STOP or HALT mode via the Power Control command
(CMD-ID: 0x03) or Sleep Timer command (CMD-ID: 0x12).
The status is shifted back to the normal mode from the STOP or HALT mode when the WKUPB pin input is 0, or,
in the case of the HALT mode, by the reception of any command. An outline of the status transition to and from the
power save modes is shown in Figure 7-1.
The HALT and STOP modes differ as follows.
[HALT]
• The PLL circuit in the
µPD77533 is not stopped, allowing fast transition back to normal mode.
• Transition back to normal mode (RUN) occurs when the WKUPB pin input is 0 or by the reception of any
command.
[STOP]
• The PLL circuit in the
µPD77533 is stopped, reducing the power consumption to 700 µA (MAX.).
• Transition back to normal mode (RUN) occurs when the WKUPB pin input is 0.
Figure 7-1. Shifting to and Restoring from Power Save Mode
STOP
RUN
HALT
Power Control
(shift to HALT)
or Sleep Timer
(shift to HALT)
Power Control
(shift to STOP)
or Sleep Timer
(shift to STOP)
WKUPB pin input
= 0
or any command received
WKUPB pin input
= 0



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