R01UH0092EJ0110 Rev.1.10
Page 109 of 807
Jul 31, 2012
M16C/64C Group
8. Clock Generator
8.9.5
PLL Frequency Synthesizer
To use the PLL frequency synthesizer, stabilize the supply voltage within the acceptable range of power
supply ripple.
Figure 8.11
Voltage Fluctuation Timing
Table 8.9
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
Содержание M16C Series
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