R01UH0136EJ0210 Rev.2.10
Page 757 of 800
Jul 31, 2012
M16C/64A Group
32. Usage Notes
32.5.5
PLL Frequency Synthesizer
To use the PLL frequency synthesizer, stabilize the supply voltage within the acceptable range of power
supply ripple.
Figure 32.9
Voltage Fluctuation Timing
Table 32.4
Acceptable Range of Power Supply Ripple
Symbol
Parameter
Standard
Unit
Min.
Typ.
Max.
f
(ripple)
Power supply ripple allowable frequency (VCC1)
10
kHz
V
P-P(ripple)
Power supply ripple allowable
amplitude voltage
(VCC1
= 5 V)
0.5
V
(VCC1
= 3 V)
0.3
V
V
CC(|
Δ
V /
Δ
T|)
Power supply ripple rising/falling
gradient
(VCC1
= 5 V)
0.3
V/ms
(VCC1
= 3 V)
0.3
V/ms
V
p-p(ripple)
f(ripple)
Power supply ripple allowable
frequency
Vp-p(ripple)
Power supply ripple allowable
amplitude voltage
f
(ripple)
(
VCC1
)
VCC1
Summary of Contents for M16C/60 Series
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