M16C65 Datasheet, PDF (785/829 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M16C/60

Under development
M16C/65 Group
Preliminary Specification
This is a preliminary specification and is subject to change.
31. Precautions
31.6.5 PLL Frequency Synthesizer
To use the PLL frequency synthesizer, stabilize the supply voltage to meet the power supply ripple
standard.
Symbol
Parameter
f (ripple)
VP-P (ripple)
VCC (|ΔV /ΔT|)
Power supply ripple allowable frequency (VCC1)
Power supply ripple allowable
amplitude voltage
(VCC1 = 5 V)
(VCC1 = 3 V)
Power supply ripple rising/falling
gradient
(VCC1 = 5 V)
(VCC1 = 3 V)
Standard
Min. Typ. Max.
10
0.5
0.3
0.3
0.3
Unit
kHz
V
V
V/ms
V/ms
f (ripple)
Power supply ripple allowable
frequency (VCC1)
Vp-p (ripple)
Power supply ripple allowable
amplitude voltage
VCC1
Figure 31.7 Voltage Fluctuation Timing
f (ripple)
Vp-p (ripple)
REJ09B0484-0030 Rev.0.30 Sep 09, 2008
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