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M16C/6N Group (M16C/6NK, M16C/6NM)
Table 22.48 Recommended Operating Conditions (2)
Symbol
f(XIN)
Main Clock Input Oscillation No Wait Flash Memory
Frequency
f(XCIN)
Sub Clock Oscillation Frequency
f(Ring)
On-chip Oscillation Frequency
f(PLL)
PLL Clock Oscillation Frequency
f(BCLK)
CPU Operation Clock
t
PLL Frequency Synthesizer Stabilization Wait Time
su(PLL)
f
Power Supply Ripple Allowable Frequency (VCC)
(ripple)
V
Power Supply Ripple Allowable Amplitude Voltage VCC = 5V
P-P(ripple)
V
Power Supply Ripple Rising/Falling Gradient
CC(|∆V/∆T|)
NOTES:
1. Referenced to VCC = 4.2 to 5.5V at Topr = –40 to 85°C unless
otherwise specified.
2. Relationship between main clock oscillation frequency and supply
voltage is shown right.
3. Execute program/erase of flash memory by VCC = 5.0 ± 0.5 V.
4. When using over 16MHz, use PLL clock. PLL clock oscillation
frequency which can be used is 16MHz or 20MHz.
f
(ripple)
Power Supply Ripple Allowable
Frequency (VCC)
V
P-P(ripple)
Power Supply Ripple Allowable
Amplitude Voltage
Figure 22.21 Timing of Voltage Fluctuation
Rev.2.00
Nov 28, 2005
REJ09B0124-0200
Parameter
(2) (3) (4)
Version
VCC
page 330 of 378
22. Electric Characteristics (T/V-ver.)
(1)
Min.
VCC = 4.2 to 5.5V
0
16
VCC = 4.2 to 5.5V
0
VCC = 5V
Main clock input oscillation frequency
(Flash memory version: no wait)
16.0
0.0
VCC [V] (main clock: no division)
f
(ripple)
Standard
Unit
Typ.
Max.
16
MHz
32.768
50
kHz
1
MHz
20
MHz
20
MHz
20
ms
10
kHz
0.5
V
0.3
V/ms
4.2
5.5
V
P-P(ripple)
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