HD64F38602R Datasheet, PDF (542/552 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

Item
Page Revisions (See Manual for Details)
Section 18 Comparators
368 Modified
18.5 Usage Notes
4. If the LSI enters the software standby mode or watch
mode when a comparator is operating, the internal
operation of the comparator is maintained. Since the
comparator operates even in software standby mode
or watch mode, it returns to the same mode after the
specified interrupt is canceled, though the current for
the comparator is consumed.
If a comparator is not required to return to the
software standby mode or watch mode when an
interrupt is canceled and the current consumption
needs to be reduced, stop the comparator by clearing
the CME0 and CME1 bits in CMCR0 and CMCR1 to
0 before shifting the mode.
Section 19 Power-On Reset
Circuit
19.2.1 Power-On Reset Circuit
370 Modified
The operation timing of the power-on reset circuit is
shown in figure 19.2. As the power supply voltage rises,
the capacitor, which is externally connected to the RES
pin, is gradually charged through the on-chip pull-up
resistor (Rp).
Section 21 Electrical
411
Characteristics
Table 21.3 Control Signal Timing
Modified
Item Symbol Applicable Test Condition
Pins
Values
Min. Typ. Max.
Oscill trc
ation
stabili
zation
time
OSC1,OSC2 Ceramic resonator
— 20 45
(V_CC = 2.2 V to 3.6 V)
Ceramic resonator
(Other than above)
— 80 —
Crystal resonator
— 300 800
(V_CC = 2.7 V to 3.6 V)
Crystal resonator
— 600 1000
(V_CC = 2.2 V to 3.6 V)
Rev. 3.00 May 15, 2007 Page 510 of 516
REJ09B0152-0300