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| HD64F3687GHV Datasheet, PDF (136/566 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents | |||
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Section 6 Power-Down Modes
Table 6.3 Internal State in Each Operating Mode
Function
Subactive
Active Mode Sleep Mode Mode
Subsleep
Mode
Standby
Mode
External clock oscillator
Functioning Functioning Halted
Halted
Halted
Subclock oscillator
Functioning Functioning Functioning Functioning Functioning
CPU
Instructions
operations Registers
Functioning
Functioning
Halted
Retained
Functioning
Functioning
Halted
Retained
Halted
Retained
RAM
Functioning Retained
Functioning Retained
Retained
IO ports
Functioning Retained
Functioning Retained
Register
contents are
retained, but
output is the
high-impedance
state.
External
interrupts
IRQ3 to IRQ0
WKP5 to
WKP0
Functioning
Functioning
Functioning
Functioning
Functioning
Functioning
Functioning Functioning
Functioning Functioning
Peripheral RTC
functions
Functioning
Functioning
Functioning if the timekeeping time-base
function is selected, and retained if not selected
Timer V
Functioning Functioning Reset
Reset
Reset
Watchdog
timer
Functioning
Functioning
Retained (functioning if the internal oscillator is
selected as a count clock*)
SCI3, SCI3_2 Functioning Functioning Reset
Reset
Reset
IIC2
Functioning Functioning Retained*
Retained
Retained
Timer B1
Functioning Functioning Retained*
Retained
Retained
Timer Z
Functioning
Functioning
Retained (the counter increments according to
subclocks if the internal clock (Ï) is selected as
a count clock*)
A/D converter Functioning Functioning Reset
Reset
Reset
LVD
Functioning Functioning Functioning Functioning Functioning
Note: * Registers can be read or written in subactive mode.
Rev. 3.00 Sep. 10, 2007 Page 102 of 528
REJ09B0216-0300
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